11. Examples Docadienoic acids that have received some attention include: trans-2-cis-4-decadienoic acid, (2E,4Z) deca-2,4-dienoic acid (CAS 30361-33-2, Nikkaji J88.660B). It is about 8% of the fatty acids (per mole) of stillingia oil. The methyl ester is a flavoring agent (FEMA The propyl ester (CAS 3025-32-9, Nikkaji J309.441C, FDA D07SW1IHHP) is present in some extracts. deca-(2E,4Z)-dienoic acid (CAS 544-48-9) The propyl ester (CAS 28316-62-3, FDA 2EEE2O3TE8) is a flavoring agent. The butyl ester (CAS 28369-24-6) is a flavor/fragrance agent. The ethyl ester (CAS 3025-30-7, Beilstein 1724176) is source of aroma of Bartlett pears; also present in fresh apple, Vitis sp., quince and Strychnos madagascariensis deca-(2Z,4E)-dienoic acid (CAS 68676-77-7, Nikkaji J703.053C). deca-(2Z,4Z)-dienoic acid. Propyl ester (CAS ??) deca-4,8-dienoic acid (CAS 13159-49-4) Unspecified isomers present in some flavor extracts. Derivatives Some derivatives of interest are: See also Decanoic acid, fully saturated, Decenoic acid, mono-unsaturated, References Polyunsaturated compounds Fatty acid derivatives