<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:05:04 UTC</creation_date>
  <update_date>2025-11-18 22:32:31 UTC</update_date>
  <accession>FDB001693</accession>
  <name>Cucumerin A</name>
  <description> Cucumerin a is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Cucumerin a can be found in cucumber, which makes cucumerin a a potential biomarker for the consumption of this food product. </description>
  <synonyms>
    <synonym>8-beta-D-Glucopyranosyl-5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[1-(4-hydroxyphenyl)ethyl]-4H-1-benzopyran-4-one</synonym>
  </synonyms>
  <chemical_formula>C29H28O11</chemical_formula>
  <average_molecular_weight>552.526</average_molecular_weight>
  <monisotopic_moleculate_weight>552.163161738</monisotopic_moleculate_weight>
  <iupac_name>5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[1-(4-hydroxyphenyl)ethyl]-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-chromen-4-one</iupac_name>
  <traditional_iupac>5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[1-(4-hydroxyphenyl)ethyl]-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one</traditional_iupac>
  <cas_registry_number>613253-63-7</cas_registry_number>
  <smiles>CC(C1=CC=C(O)C=C1)C1=C(O)C([C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)=C2OC(=CC(=O)C2=C1O)C1=CC=C(O)C=C1</smiles>
  <inchi>InChI=1S/C29H28O11/c1-12(13-2-6-15(31)7-3-13)20-24(35)21-17(33)10-18(14-4-8-16(32)9-5-14)39-28(21)22(25(20)36)29-27(38)26(37)23(34)19(11-30)40-29/h2-10,12,19,23,26-27,29-32,34-38H,11H2,1H3/t12?,19-,23-,26+,27-,29+/m1/s1</inchi>
  <inchikey>VAVVYQGVFZBLHB-YHDBAIQYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as flavonoid 8-c-glycosides. Flavonoid 8-C-glycosides are compounds containing a carbohydrate moiety which is C-glycosidically linked to 8-position of a 2-phenylchromen-4-one flavonoid backbone.</description>
    <direct_parent>Flavonoid 8-C-glycosides</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Phenylpropanoids and polyketides</super_class>
    <class>Flavonoids</class>
    <sub_class>Flavonoid glycosides</sub_class>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>4'-hydroxyflavonoids</alternative_parent>
      <alternative_parent>5-hydroxyflavonoids</alternative_parent>
      <alternative_parent>7-hydroxyflavonoids</alternative_parent>
      <alternative_parent>Benzene and substituted derivatives</alternative_parent>
      <alternative_parent>C-glycosyl compounds</alternative_parent>
      <alternative_parent>Chromones</alternative_parent>
      <alternative_parent>Dialkyl ethers</alternative_parent>
      <alternative_parent>Flavones</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hexoses</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Linear diarylheptanoids</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Oxanes</alternative_parent>
      <alternative_parent>Phenolic glycosides</alternative_parent>
      <alternative_parent>Polyols</alternative_parent>
      <alternative_parent>Primary alcohols</alternative_parent>
      <alternative_parent>Pyranones and derivatives</alternative_parent>
      <alternative_parent>Secondary alcohols</alternative_parent>
      <alternative_parent>Vinylogous acids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-benzopyran</substituent>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>4'-hydroxyflavonoid</substituent>
      <substituent>5-hydroxyflavonoid</substituent>
      <substituent>7-hydroxyflavonoid</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Benzopyran</substituent>
      <substituent>C-glycosyl compound</substituent>
      <substituent>Chromone</substituent>
      <substituent>Dialkyl ether</substituent>
      <substituent>Ether</substituent>
      <substituent>Flavone</substituent>
      <substituent>Flavonoid-8-c-glycoside</substituent>
      <substituent>Glycosyl compound</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hexose monosaccharide</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxyflavonoid</substituent>
      <substituent>Linear 1,7-diphenylheptane skeleton</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>Monosaccharide</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Oxane</substituent>
      <substituent>Phenol</substituent>
      <substituent>Phenolic glycoside</substituent>
      <substituent>Polyol</substituent>
      <substituent>Primary alcohol</substituent>
      <substituent>Pyran</substituent>
      <substituent>Pyranone</substituent>
      <substituent>Secondary alcohol</substituent>
      <substituent>Vinylogous acid</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.01</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.18</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.67e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.02</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>6.44</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[1-(4-hydroxyphenyl)ethyl]-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-chromen-4-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>552.526</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>552.163161738</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(C1=CC=C(O)C=C1)C1=C(O)C([C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)=C2OC(=CC(=O)C2=C1O)C1=CC=C(O)C=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C29H28O11</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C29H28O11/c1-12(13-2-6-15(31)7-3-13)20-24(35)21-17(33)10-18(14-4-8-16(32)9-5-14)39-28(21)22(25(20)36)29-27(38)26(37)23(34)19(11-30)40-29/h2-10,12,19,23,26-27,29-32,34-38H,11H2,1H3/t12?,19-,23-,26+,27-,29+/m1/s1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>VAVVYQGVFZBLHB-YHDBAIQYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>197.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>142.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>55.21</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>11</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>85212</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>85213</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>85214</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>147264</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>147265</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>147266</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598112</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598113</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598114</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598115</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598116</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3598117</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id/>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
    <food>
      <name>Cucumber</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Cucumis sativus</name_scientific>
      <ncbi_taxonomy_id>3659</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
