Industrial Utilisation of Celsia Coromandeliana Seed Oil:  A Moderate Source of Isoricinoleic Acid

Abstract

Celsia coromandeliana, Vahl Syn. Verbasum coromandelianum, (Vahl) Kuntze seed oil was found to contain 22.0% 9-hydroxyoctadec-cis-12-enoic acid (isoricinoleic acid) previously unknown in the Scrophulariaceae plant family. It also consists of other normal fatty acids such as lauric acid (1.3%), myristic acid (2.6%), palmitic acid (8.2%), stearic acid (3.2%), oleic acid (17.2%), and linoleic acid (45.5%). The identification and characterization were based on UV, FTIR, 1 H NMR, and mass spectra, GLC analysis, and chemical degradations.

Apocynaceae Seed Lipids: Characterization and Occurrence of Isoricinoleic Acid and Triacylglycerol Estolides

“…IR has subsequently been identified as the primary acyl component of the seed oil of two Wrightia species, W. tinctoria (70 %) and W. coccinea (76 %) [9], suggesting that the fatty acid may have relatively widespread occurrence in the Apocynaceae. [14], suggesting that the ability to synthesize IR may have arisen independently on multiple occasions during the evolution of higher plants. In the genus Plantago, IR is usually accompanied by the structurally related oxo-fatty acid 9-oxo-cis-12-octadecenoic acid (9-oxo 18:1 Δ12 , OX) [13].…”