title: cis-9,cis-15-octadecadienoic acid: a novel fatty acid found in higher plants.
abstract: An unusual fatty acid, cis-9,cis-15-octadecadienoic acid, has been identified in the pulp lipids of mango (Mangifera indica L.) grown in the Philippines. To our knowledge, the occurrence of cis-9,cis-15-octadecadienoic acid in higher plant lipids has not been previously reported. The structure confirmation was based on the results of chromatographic (capillary GC, argentation thin-layer) and spectrometric (GC-MS, infrared, ultraviolet) analysis and chemical treatment. This butylene-interrupted dienoic fatty acid is concentrated in the pulp part of mango fruit and occupies 5.4% of total acyl groups in the pulp lipids; whereas a common octadecadienoic acid, linoleic acid, is a minor component (1.1%) in the same lipids. If a trivial name is desired, it is suggested that cis-9,cis-15-octadecadienoic acid be called "mangiferic" acid.
authors.affiliation: Department of Nutrition, Kobe-Gakuin University, Japan.
authors.forename: A
authors.initials: A
authors.lastname: Shibahara
authors.forename: K
authors.initials: K
authors.lastname: Yamamoto
authors.forename: K
authors.initials: K
authors.lastname: Shinkai
authors.forename: T
authors.initials: T
authors.lastname: Nakayama
authors.forename: G
authors.initials: G
authors.lastname: Kajimoto
mesh_terms: D002849:Chromatography, Gas; D005638:Fruit / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry; D007536:Isomerism; D008041:Linoleic Acids / Q000032:analysis* / Q000737:chemistry; D010679:Philippines; D013053:Spectrophotometry
chemical_list: D008041:Linoleic Acids; C084125:9,15-octadecadienoic acid