琼崖海棠籽油的理化性质及脂肪酸组成分析

以琼崖海棠籽为原料,机械压榨法制取琼崖海棠籽油,分析了琼崖海棠籽油的理化指标,并通过气相色谱-质谱( GC - MS)联用分析其脂肪酸组成.结果表明:琼崖海棠籽油的酸值(KOH) 27mg/g,过氧化值1.184 meq/kg,折光指数(n20d)1.489 2,碘值(Ⅰ)83.96 g/100 g,水分及挥发物0.070％,灰分0.029％,皂化值(KOH) 192.3 mg/g,相对密度(d25 4疗)0.934 8；其主要脂肪酸组成是9-十八碳烯酸(27.67％),9,12-十八碳二烯酸(16.78％),9-十八碳烯酸(E)(13.54％),十八碳酸(12.92％),十六碳酸(10.77％),11,14-二十碳二烯酸(7.17％),正十六碳酸(5.24％),十七碳酸(5.13％).

Physicochemical properties and fatty acid composition of Calophyllum inophyllum seed oil

Calophyllum inophyllum seed oil was extracted from the seed of Calophyllum inophyllum by mechanical press,and its physicochemical properties and composition of fatty acids were respectively detected by chemical and GC-MS analysis methods.The results showed that the acid value,peroxide value,refractive index(n20D),iodine value,moisture and volatile matter content,ash content,saponification value and specific gravity(d254) of the oil were 27 mgKOH/g,1.184 meq/kg,1.489 2,83.96 gI/100 g,0.070%,0.029%,192.3 mgKO...