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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 19781
    role 19726
      application 19412
        anti-inflammatory agent 15759
          sigmoidin B 0
Path 2
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  CHEBI ontology 19781
    subatomic particle 19779
      composite particle 19779
        hadron 19779
          baryon 19779
            nucleon 19779
              atomic nucleus 19779
                atom 19779
                  main group element atom 19669
                    p-block element atom 19669
                      carbon group element atom 19588
                        carbon atom 19578
                          organic molecular entity 19578
                            organic molecule 19510
                              organic cyclic compound 19337
                                organic heterocyclic compound 18550
                                  oxacycle 17542
                                    benzopyran 10268
                                      1-benzopyran 9990
                                        flavonoid 6509
                                          flavans 3014
                                            flavanones 316
                                              hydroxyflavanone 303
                                                4'-hydroxyflavanones 272
                                                  sigmoidin B 0
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