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当前位置: 首页 > 文章 > 栝楼籽油容易凝固的原因分析 中国农学通报 2014,30 (12) 287-294
Position: Home > Articles > Analysis of the Causes of Easy Solidification of Trichosanther kirilowii Seed Oil Chinese Agricultural Science Bulletin 2014,30 (12) 287-294

栝楼籽油容易凝固的原因分析

作  者：
邓小莉;常景玲;陈震;吴羽晨
单  位：
河南科技学院生命科技学院;新乡学院生命科学与技术系
关键词：
紫苏籽油;栝楼籽油;共轭亚油酸;共轭亚麻酸;共轭双键;紫外-可见分光光度法
摘  要：
为了分析栝楼籽油凝固的原因,找出栝楼籽油黏性变化的分子结构基础,以紫苏籽油为参照,采用紫外分光光度法进行了紫苏籽油和栝楼籽油紫外光谱扫描和分析,并与用马来酸和共轭亚油酸作为孤立双键和二共轭双键为标准品绘制标准曲线进行比对,分析了栝楼籽油和紫苏籽油不饱和脂肪酸所含的共轭双键类型和含量的差异。结果表明,紫苏籽油不饱和脂肪酸中仅含孤立双键,含量达365.8 mg/mL,而瓜蒌籽油的不饱和脂肪酸中除含孤立双键外,均含有三共轭双键。此外,黄色栝楼籽油还含有二共轭双键(含量为197.01 mg/mL)。栝楼籽油不饱和脂肪酸含有一定量的二、三共轭双键,易发生加成、聚合,致使其饱和脂肪酸含量增加、凝固点降低、黏性增大,此为栝楼籽油储藏过程中容易发生凝固的主要原因。
译  名：
Analysis of the Causes of Easy Solidification of Trichosanther kirilowii Seed Oil
作  者：
Deng Xiaoli;Chang Jingling;Chen Zhen;Wu Yuchen;Life Science and Technology Department, Xinxiang College;College of Life Science and Technology, Henan Institute of Science and Technology;
关键词：
Perilla seed oil;;Chinese Trichosanthes oil;;conjugated linoleic acid;;conjugated linolenic acids;;conjugated double bonds;;UV-visible spectrophotometry
摘  要：
In order to analyze the reason of Trichosanthes kirilowii seed oil solidification, find out the molecular structure of Trichosanthes kirilowii seed oil viscosity changes. Using Perilla seed oil as a reference,ultraviolet spectrophotometry was performed in Perilla seed oil and Trichosanthes kirilowii Maxim. After the UV scan and analysis, maleic acid and conjugated linoleic acid as an isolated double bond and two conjugated double bonds as standard draw standard curve were compared, analyzed the difference of unsaturated conjugated double bond type and the different content of fatty acids contained were analyzed in Trichosanthes kirilowii seed oil and Perilla seed oil. The results showed that: Perilla seed oil unsaturated fatty acid contains only isolated double bond in a concentration of 365.8 mg/mL, while the snakegourd fruit seed oil unsaturatedfatty acid contains not only isolated double bond, but three conjugated double bonds. In addition, the yellow TKM seed oil also contains two conjugated double bonds(the content was 197.01 mg/mL). Trichosanthes kirilowii seed oil contained a certain amount of two conjugated double bond or three conjugated double bond in unsaturated fatty acid, which increased the possibility of the addition and the polymerization reaction, resulting in an increase of the content of saturated fatty acids, a decrease of the freezing point and an increase in viscosity, which was the main reason prone to the easily solidification during the storage of Chinese Trichosanthes oil.

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