YIN He-lan,QIN Gong-wei,XU Hao,et al.Comparison of Fatty Acids Content and Its Composition[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(08):68-71.
番茄种子脂肪酸含量及组成比较分析
- Title:
- Comparison of Fatty Acids Content and Its Composition
- 文章编号:
- 1002-2767(2012)08-0068-04
- 分类号:
- S641.2
- 文献标志码:
- A
- 摘要:
- 为了解不同番茄样品内种子脂肪酸的组成含量差异,采用索氏提取法提取6个番茄种子样品中的粗脂肪,用KOH-甲醇溶液对脂肪酸进行甲酯化,以37种脂肪酸组分标品为对照,采用气相色谱分析法测定其脂肪酸含量及组成。结果表明:番茄种子干物质平均含量为52.48%,粗脂肪平均含量为32.82%;番茄种子样品间脂肪酸总量有一定差异;番茄种子脂肪酸组分相对百分含量有一定差异,其主要脂肪酸组成及含量为棕榈酸11.16%~12.54%、硬脂酸3.82%~5.12%、油酸17.32%~29.85%、亚油酸52.63%~64.12%、α-亚麻酸1.45%~2.17%。
- Abstract:
- Whether there are differences of fatty acid composition or content in the different samples of tomato seeds,the fatty acids in crude fat which was extracted by Soxhlet extractor from 6 tomato seed samples were determined by gas chromatography (GC) after modified to methyl esters,with 37 kinds fatty acid methyl ester mixture.The results showed that:the content of dry matter in tomato seed samples was 52.48% on average,and the content of crude fat was 32.82% on average.There were significant differences on total fatty acids among tomato seed samples.The relative content of fatty acids in tomato seed samples also had certain differences.The major fatty acid components in seeds identified were as follows:hexadecanoic acid 11.16%~12.54%,stearic acid 3.82%~5.12%,oleic acid 17.32%~29.85%,linoleic acid 52.63%~64.12%,linolenic acid 1.45%~2.17%.
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备注/Memo
基金项目:陕西省油脂深加工工程技术研究中心资助项目(2009ZDGC-03-06);陕西理工学院2011~2012学年大学生创新实验资助项目(UIRP1141)