<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 22:19:48 UTC</creation_date>
  <update_date>2020-06-04 20:44:09 UTC</update_date>
  <accession>BMDB0000121</accession>
  <secondary_accessions>
    <accession>BMDB00121</accession>
  </secondary_accessions>
  <name>Folic acid</name>
  <description>Folic acid, also known as folate or vitamin m, belongs to the class of organic compounds known as glutamic acid and derivatives. Glutamic acid and derivatives are compounds containing glutamic acid or a derivative thereof resulting from reaction of glutamic acid at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. Folic acid is a drug which is used for treatment of folic acid deficiency, megaloblastic anemia and in anemias of nutritional supplements, pregnancy, infancy, or childhood. Folic acid exists as a solid, possibly soluble (in water), and a moderately basic compound (based on its pKa) molecule. Folic acid exists in all living species, ranging from bacteria to humans. Folic acid participates in a number of enzymatic reactions, within cattle. In particular, Folic acid can be biosynthesized from dihydrofolic acid through its interaction with the enzyme dihydrofolate reductase. In addition, Folic acid can be converted into folic acid; which is catalyzed by the enzyme proton-coupled folate transporter. In cattle, folic acid is involved in the metabolic pathway called the folate metabolism pathway. Folic acid is a potentially toxic compound. Folic acid has been found to be associated with several diseases known as dimethylglycine dehydrogenase deficiency, bladder infections, fibromyalgia, and hereditary folate malabsorption; also folic acid has been linked to the inborn metabolic disorders including folate deficiency.</description>
  <synonyms>
    <synonym>Folate</synonym>
    <synonym>Folsaeure</synonym>
    <synonym>N-[(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino}phenyl)carbonyl]-L-glutamic acid</synonym>
    <synonym>N-Pteroyl-L-glutamic acid</synonym>
    <synonym>PGA</synonym>
    <synonym>PteGlu</synonym>
    <synonym>Pteroyl-L-glutamic acid</synonym>
    <synonym>Pteroyl-L-monoglutamic acid</synonym>
    <synonym>Pteroylglutamic acid</synonym>
    <synonym>Vitamin BC</synonym>
    <synonym>Vitamin m</synonym>
    <synonym>Folicet</synonym>
    <synonym>N-[(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino}phenyl)carbonyl]-L-glutamate</synonym>
    <synonym>N-Pteroyl-L-glutamate</synonym>
    <synonym>Pteroyl-L-glutamate</synonym>
    <synonym>Pteroyl-L-monoglutamate</synonym>
    <synonym>Pteroylglutamate</synonym>
    <synonym>Acifolic</synonym>
    <synonym>Cytofol</synonym>
    <synonym>Dosfolat b activ</synonym>
    <synonym>Folacid</synonym>
    <synonym>Folacin</synonym>
    <synonym>Folbal</synonym>
    <synonym>Folcidin</synonym>
    <synonym>Foldine</synonym>
    <synonym>Folettes</synonym>
    <synonym>Foliamin</synonym>
    <synonym>Folipac</synonym>
    <synonym>Folsan</synonym>
    <synonym>Folsaure</synonym>
    <synonym>Folsav</synonym>
    <synonym>Folvite</synonym>
    <synonym>Incafolic</synonym>
    <synonym>Liver lactobacillus casei factor</synonym>
    <synonym>Millafol</synonym>
    <synonym>N-(4-{[(2-amino-4-oxo-3,4-dihydropteridin-6-yl)methyl]amino}benzoyl)-L-glutamic acid</synonym>
    <synonym>N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid</synonym>
    <synonym>Pteroylmonoglutamic acid</synonym>
    <synonym>Vitamin be</synonym>
    <synonym>Folic acid, (DL)-isomer</synonym>
    <synonym>Folic acid, sodium salt</synonym>
    <synonym>Folic acid, (D)-isomer</synonym>
    <synonym>Folic acid, monosodium salt</synonym>
    <synonym>Folic acid, potassium salt</synonym>
    <synonym>b9, Vitamin</synonym>
    <synonym>Folic acid, calcium salt (1:1)</synonym>
    <synonym>Folic acid, monopotassium salt</synonym>
    <synonym>Vitamin b9</synonym>
  </synonyms>
  <chemical_formula>C19H19N7O6</chemical_formula>
  <average_molecular_weight>441.3975</average_molecular_weight>
  <monisotopic_moleculate_weight>441.139681375</monisotopic_moleculate_weight>
  <iupac_name>(2S)-2-[(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino}phenyl)formamido]pentanedioic acid</iupac_name>
  <traditional_iupac>folate</traditional_iupac>
  <cas_registry_number>59-30-3</cas_registry_number>
  <smiles>NC1=NC(=O)C2=NC(CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)=CN=C2N1</smiles>
  <inchi>InChI=1S/C19H19N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,8,12,21H,5-7H2,(H,24,29)(H,27,28)(H,31,32)(H3,20,22,25,26,30)/t12-/m0/s1</inchi>
  <inchikey>OVBPIULPVIDEAO-LBPRGKRZSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Benzenoids</super_class>
    <class>Phenols</class>
    <sub_class>Methoxyphenols</sub_class>
    <direct_parent>Methoxyphenols</direct_parent>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>Alkyl aryl ethers</alternative_parent>
      <alternative_parent>Anisoles</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Methoxybenzenes</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Phenoxy compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>Alkyl aryl ether</substituent>
      <substituent>Anisole</substituent>
      <substituent>Aromatic homomonocyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Ether</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Methoxybenzene</substituent>
      <substituent>Methoxyphenol</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenol ether</substituent>
      <substituent>Phenoxy compound</substituent>
    </substituents>
    <molecular_framework>Aromatic homomonocyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>monocarboxylic acid</external_descriptor>
      <external_descriptor>monomethoxybenzene</external_descriptor>
      <external_descriptor>phenols</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>melting_point</kind>
      <value>250 °C</value>
      <source/>
    </property>
    <property>
      <kind>water_solubility</kind>
      <value>0.0016 mg/mL</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.04</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.76</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>-0.68</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>3.37</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>2.09</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>(2S)-2-[(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino}phenyl)formamido]pentanedioic acid</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>441.3975</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>441.139681375</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>NC1=NC(=O)C2=NC(CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)=CN=C2N1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C19H19N7O6</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C19H19N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,8,12,21H,5-7H2,(H,24,29)(H,27,28)(H,31,32)(H3,20,22,25,26,30)/t12-/m0/s1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>OVBPIULPVIDEAO-LBPRGKRZSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>208.99</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>111.01</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>42.06</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>9</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>12</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>6</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>-2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
    <pathway>
      <name>Folate Metabolism</name>
      <smpdb_id>SMP0087196</smpdb_id>
      <kegg_map_id/>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::EiMs</type>
      <spectrum_id>344</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1150</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>174</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>175</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>176</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2912</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>182913</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>182914</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>182915</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>183261</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>183262</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>183263</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374579</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>439273</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>451198</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2226655</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2226878</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2227812</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2228083</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2229178</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2229235</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2230246</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2230263</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2231457</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2231502</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2231600</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2232575</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>22269</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37303</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>165078</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050362</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050364</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050366</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050367</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050369</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050371</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050373</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050375</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050377</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050379</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050381</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050384</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050386</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050388</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050390</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050392</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050394</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050395</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050397</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1050399</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1092</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>2513</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>3211</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5134</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5135</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5772</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5773</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5774</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5775</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5776</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5777</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5778</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5779</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5780</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5781</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5782</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5783</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5784</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5785</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5786</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5787</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5788</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5789</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5790</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>5791</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Brain</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Erythrocyte</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Kidney</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Liver</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Whole milk</comment>
      <references>
        <reference>
          <reference_text>NRC. 1989. Recommended Dietary Allowances.  10th ed. Natl. Acad. Press, Washington, DC.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <references>
        <reference>
          <reference_text>Park, Y. W; Juárez, Manuela ; Ramos, M.; Haenlein, G. F. W.. Physico-chemical characteristics of goat and sheep milk. Small Ruminant Res.(2007) 68:88-113   doi: 10.1016/j.smallrumres.2006.09.013</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, filled, fluid, with blend of hydrogenated vegetable oils</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, filled, fluid, with lauric acid oil</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, fluid, 1% fat, without added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, fluid, nonfat, calcium fortified (fat free or skim)</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, low sodium, fluid</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.136</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, lowfat, fluid, 1% milkfat, protein fortified, with added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, lowfat, fluid, 1% milkfat, with added nonfat milk solids, vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, lowfat, fluid, 1% milkfat, with added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.136</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, nonfat, fluid, protein fortified, with added vitamin A and vitamin D (fat free and skim)</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, nonfat, fluid, with added nonfat milk solids, vitamin A and vitamin D (fat free or skim)</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, nonfat, fluid, with added vitamin A and vitamin D (fat free or skim)</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, nonfat, fluid, without added vitamin A and vitamin D (fat free or skim)</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.261</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, partly skim, conventional (not organic), 1.5 % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.261</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, partly skim, organic, 1.5 % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.174</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Raw milk. Samples taken in March</comment>
      <references>
        <reference>
          <reference_text>Int. Dairy Journal 4 (1994) 161-172</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, producer, fluid, 3.7% milkfat</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.136</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, reduced fat, fluid, 2% milkfat, protein fortified, with added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, reduced fat, fluid, 2% milkfat, with added nonfat milk solids and vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, reduced fat, fluid, 2% milkfat, with added nonfat milk solids, without added vitamin A</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, reduced fat, fluid, 2% milkfat, with added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, reduced fat, fluid, 2% milkfat, without added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.109</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.132</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, skim, 0.5 % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.109</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, skim, organic</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, whole, 3.25% milkfat, with added vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.113</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, whole, 3.25% milkfat, without added vitamin A and vitamin D</comment>
      <references>
        <reference>
          <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.249</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, whole, 3.5, (UHT), % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.249</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, whole, conventional (not organic), 3.5 % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.249</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Milk, whole, organic, 3.5 % fat</comment>
      <references>
        <reference>
          <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.087 +/- 0.004</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Quantified by LC-MS/MS in 1% milk</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.083 +/- 0.001</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Quantified by LC-MS/MS in 2% milk</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.09 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Quantified by LC-MS/MS in 3.25% milk</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.09 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Quantified by LC-MS/MS in skim milk</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <kegg_id>C00504</kegg_id>
  <drugbank_id>DB00158</drugbank_id>
  <foodb_id>FDB014504</foodb_id>
  <chemspider_id>5815</chemspider_id>
  <pubchem_compound_id>6037</pubchem_compound_id>
  <pdbe_id/>
  <chebi_id>27470</chebi_id>
  <phenol_explorer_compound_id/>
  <knapsack_id>C00001539</knapsack_id>
  <meta_cyc_id>CPD-12826</meta_cyc_id>
  <wikipedia_id>Folic_Acid</wikipedia_id>
  <bigg_id>35180</bigg_id>
  <metlin_id>246</metlin_id>
  <synthesis_reference>Piper, James R.; McCaleb, George S.; Montgomery, John A. Synthesis of 10-propargylfolic acid from 2-amino-6-(bromomethyl)-4(1H)-pteridinone. Journal of Heterocyclic Chemistry (1987), 24(1), 279-82.</synthesis_reference>
  <general_references>
    <reference>
      <reference_text>Int. Dairy Journal 4 (1994) 161-172</reference_text>
    </reference>
    <reference>
      <reference_text>NRC. 1989. Recommended Dietary Allowances.  10th ed. Natl. Acad. Press, Washington, DC.</reference_text>
    </reference>
    <reference>
      <reference_text>Park, Y. W; Juárez, Manuela ; Ramos, M.; Haenlein, G. F. W.. Physico-chemical characteristics of goat and sheep milk. Small Ruminant Res.(2007) 68:88-113   doi: 10.1016/j.smallrumres.2006.09.013</reference_text>
    </reference>
    <reference>
      <reference_text>A. Foroutan et al. The Chemical Composition of Commercial Cow's Milk (in preparation)</reference_text>
    </reference>
    <reference>
      <reference_text>USDA Food Composition Databases: https://ndb.nal.usda.gov/ndb/</reference_text>
    </reference>
    <reference>
      <reference_text>Fooddata+, The Technical University of Denmark (DTU): https://frida.fooddata.dk/QueryFood.php?fn=milk&amp;lang=en</reference_text>
    </reference>
  </general_references>
  <protein_associations>
    <protein>
      <protein_accession>BMDBP00821</protein_accession>
      <name>Dihydrofolate reductase</name>
      <uniprot_id>P00376</uniprot_id>
      <gene_name>DHFR</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01956</protein_accession>
      <name>Solute carrier family 19 (Folate transporter), member 1</name>
      <uniprot_id>Q17QC9</uniprot_id>
      <gene_name>SLC19A1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01957</protein_accession>
      <name>SLC19A3 protein</name>
      <uniprot_id>A7E352</uniprot_id>
      <gene_name>SLC19A3</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01958</protein_accession>
      <name>Solute carrier family 19 member 1</name>
      <uniprot_id>Q0V8L3</uniprot_id>
      <gene_name>SLC19A1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01959</protein_accession>
      <name>Folate receptor 2 (Fetal)</name>
      <uniprot_id>Q0VCN9</uniprot_id>
      <gene_name>FOLR2</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01960</protein_accession>
      <name>Folate receptor alpha</name>
      <uniprot_id>P02702</uniprot_id>
      <gene_name>FOLR1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
  </protein_associations>
</metabolite>
