Determination of fatty acid and triacylglyceride composition of different coconut Cocos nucifera L. cultivars and hybrids
1998
Rodriguez, F.M. | Laurena, A.C. | Laureles, L.R. | Santos, G.A. | Mendoza, E.M.T. (Philippines Univ. Los Banos, College, Laguna (Philippines). Inst. of Plant Breeding)
The fatty acid and triacylglyceride (TAG) compositions of the oils of nine coconut hybrids (PCA 15-1 to PCA 15-9) were determined using gas chromatography (GC) and high performance liquid chromatography (HPLC). The fatty acid composition showed lauric acid (C12) content ranging from 47.29 percent (PCA 15-5) to 50.45 percent (PCA 15-9). Lauric acid content was found significantly higher in PCA 15-8 and PCA 15-9 by as much as 3.0 percent points compared to other hybrids analyzed. HPLC chromatogram showed 8 major peaks identified as TAG carbon number (CN) 30, 32, 34, 36, 38, 40, 42, and 44 CN 30 (4.08 percent) and CN 34 (19.91 percent) were found significantly higher in PCA 15-9 compared to other hybrids analyzed. Triacylglyceride profile in maturing coconut showed that CN 28-40 significantly increased while CN 38, 42, and 44 decreased as the nut matured. Young coconut gave oil with high C16 (20.68 percent) and C 18:0, 18:1, 18:2 (36.10 percent) contents which decreased significantly as the nut reached the intermediate and mature stage
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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