Akintayo E T
Chemistry Department, University of Ado-Ekiti, P.M.B. 5363, Ado-Ekiti, Ekiti-State, Nigeria.
Bioresour Technol. 2004 May;92(3):307-10. doi: 10.1016/S0960-8524(03)00197-4.
Parkia biglobbossa (PKBS) and Jatropha curcas (JTC) seeds were analysed for their proximate composition. The seeds oils were analysed for fatty acid, lipid classes, sterols and physicochemical characteristics. Proximate analysis revealed that the percentage crude protein, crude fat and moisture in PKBS were 32.40%, 26.525% and 10.18% respectively and 24.60%, 47.25% and 5.54% in JTC. Campesterol, stigmasterol, beta-sitosterol, Delta5-avenasterol and Delta7-stigmasterol were identified in the seed oils, but beta-sitosterol was most abundant, constituting 71.9% in JTC and 39.5% in PKBS. JTC oil had 72.7% unsaturated fatty acids with oleic acid predominating, while PKBS had 62% unsaturated fatty acids with linoleic acid being the most abundant. Results of lipid classes showed triglyceride as the dominant lipid species in the seed oils. Physicochemical analysis of the seed oils showed that they could be classified as semi drying oils and that they could be found applicable in alkyd resin and soap manufacture.
对球花豆（PKBS）和麻疯树（JTC）种子进行了近似成分分析。对种子油进行了脂肪酸、脂质类别、甾醇和理化特性分析。近似分析表明，PKBS中粗蛋白、粗脂肪和水分的百分比分别为32.40%、26.525%和10.18%，JTC中分别为24.60%、47.25%和5.54%。在种子油中鉴定出了菜油甾醇、豆甾醇、β-谷甾醇、Δ5-燕麦甾醇和Δ7-豆甾醇，但β-谷甾醇含量最高，在JTC中占71.9%，在PKBS中占39.5%。JTC油含有72.7%的不饱和脂肪酸，以油酸为主，而PKBS含有62%的不饱和脂肪酸，以亚油酸最为丰富。脂质类别分析结果表明，甘油三酯是种子油中的主要脂质成分。种子油的理化分析表明，它们可归类为半干性油，可用于醇酸树脂和肥皂制造。
