has role polyunsaturated dicarboxylic acid diterpenoid metabolite carotenoic acid crocetin (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,14-heptaenedioic acid 328.167 328.40220 8,8'-diapo-8,8'-carotenedioic acid 8,8'-diapo-psi,psi-carotenedioic acid 8,8'-diapocarotene-8,8'-dioic acid 8,8'-diapocarotenedioic acid A 20-carbon dicarboxylic acid which is a diterpenoid and natural carotenoid. Found in the crocus flower, it has been administered as an anti-fatigue dietary supplement. Beilstein:1715455 C20H24O4 CAS:27876-94-4 CC(\C=C\C=C(/C)C(O)=O)=C/C=C/C=C(C)/C=C/C=C(\C)C(O)=O CHEBI:3918 Crocetin InChI=1S/C20H24O4/c1-15(11-7-13-17(3)19(21)22)9-5-6-10-16(2)12-8-14-18(4)20(23)24/h5-14H,1-4H3,(H,21,22)(H,23,24)/b6-5+,11-7+,12-8+,15-9+,16-10+,17-13+,18-14+ KEGG:C08588 KNApSAcK:C00003768 LIPID_MAPS_instance:LMPR0104010020 MetaCyc:CPD-8662 PANKHBYNKQNAHN-MQQNZMFNSA-N PMID:12065218 PMID:15605174 PMID:16272698 PMID:19358927 PMID:20041429 PMID:20803418 PMID:20854811 PMID:21031628 PMID:21112749 PMID:21224437 PMID:21466430 PMID:21741458 Reaxys:1715455 Wikipedia:Crocetin chebi_ontology trans-crocetin