摘要
采用气相色谱法测定油茶籽油中脂肪酸组成,高效液相色谱法测定其维生素E含量。结果表明:初级压榨和精炼油茶籽油主要由4种脂肪酸组成,分别为棕榈酸(质量分数为7.68%和8.92%)、硬脂酸(质量分数为1.66%和1.78%)、油酸(质量分数为82.90%和81.09%)、亚油酸(质量分数为7.17%和7.22%);高效液相色谱法测定VE线性范围0.5～2.5μg(R2=0.999 3),平均回收率为98.05%,RSD为0.75%(n=5),初级压榨和精炼油茶籽油中维生素E含量分别为356.31mg/kg和107.07mg/kg。建立的色谱方法具有快速简便准确度高的特点。
In this manuscript,fatty acid composition and Vitamin E content of Camellia oleifera oil were analyzed by Gas Chromatograph and HPLC respectively.The results show that： the primary crushing oil and refining oil are both contain 4 kinds of fatty acids mainly,which are palmic acid（7.68% and 8.92%）,stearic acid（1.66% and 1.78%）,oleic acid（82.90% and 81.90%）,linoleic acid（7.17% and 7.22%）;the linear range of VE was 0.5~2.5 μg（R2=0.999 3）,and the mean recovery was 98.05%,RSD=0.75%（n=5）.The VE content of primary crushing oil was 207mg/kg,which declined to 107.07mg/kg in refining oil.The chromatographic methods established in this text are fast,convenient and reliable.
出处
《食品与生物技术学报》
CAS
CSCD
北大核心
2011年第6期838-842,共5页
Journal of Food Science and Biotechnology
基金
国家“十一五”科技支撑计划项目(2009BADB1B09)
作者简介
金青哲（1962-），男，浙江金华人，熬．援，博士研究生导师，主要从事油脂深加工研究与开发工作，Eamil：jqzwuxi@163．com
