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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:sigmoidin B
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Accession:CHEBI:66483 term browser browse the term
Definition:A tetrahydroxyflavanone that is (2S)-flavanone substituted by hydroxy groups at positions 5, 7, 3' and 4' and a prenyl group at position 5'. Isolated from Erythrina sigmoidea, it exhibits anti-inflammatory and antioxidant activities.
Synonyms:related_synonym: (2S)- 2-(3,4-dihydroxy-5-(3-methyl-2-butenyl)phenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one;   (2S)-2-[3,4-dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl]-5,7-dihydroxy-2,3-dihydro-4H-chromen-4-one;   5,7,3',4'-tetrahydroxy-5'-prenylflavone;   Formula=C20H20O6;   InChI=1S/C20H20O6/c1-10(2)3-4-11-5-12(6-16(24)20(11)25)17-9-15(23)19-14(22)7-13(21)8-18(19)26-17/h3,5-8,17,21-22,24-25H,4,9H2,1-2H3/t17-/m0/s1;   InChIKey=SFQIGPZCFNTPOD-KRWDZBQOSA-N;   SMILES=CC(C)=CCc1cc(cc(O)c1O)[C@@H]1CC(=O)c2c(O)cc(O)cc2O1
 xref: CAS:87746-47-2;   LIPID_MAPS_instance:LMPK12140397;   PMID:14994185;   PMID:2343463;   Reaxys:5137677

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  CHEBI ontology 400
    role 400
      application 354
        anti-inflammatory agent 30
          sigmoidin B 0
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  CHEBI ontology 400
    subatomic particle 400
      composite particle 400
        hadron 400
          baryon 400
            nucleon 400
              atomic nucleus 400
                atom 400
                  main group element atom 393
                    p-block element atom 393
                      carbon group element atom 381
                        carbon atom 380
                          organic molecular entity 380
                            organic molecule 371
                              organic cyclic compound 355
                                organic heterocyclic compound 319
                                  oxacycle 62
                                    benzopyran 22
                                      1-benzopyran 12
                                        flavonoid 5
                                          flavans 0
                                            flavanones 0
                                              hydroxyflavanone 0
                                                4'-hydroxyflavanones 0
                                                  sigmoidin B 0
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