波谱学杂志 ›› 1989, Vol. 6 ›› Issue (2): 155-162.

• 研究论文 • 上一篇    下一篇

NMR氢谱半定量分析食用油

杜定准, 钱生球, 高梅芳   

  1. 中国科学技术大学
  • 收稿日期:1988-03-04 修回日期:1988-05-17 出版日期:1989-06-05 发布日期:2018-01-22

1H-NMR SEMI-QUANTITATIVE ANALYSIS OF THE EDIBLE OILS

Du Dingzhun, Qian Shengqiu, Gao Meifang   

  1. China University of Science and Technology
  • Received:1988-03-04 Revised:1988-05-17 Online:1989-06-05 Published:2018-01-22

摘要: 本文用1H-NMR谱测定了数种食用油,对峰面积积分进行了必要的整理以纠正CCH2C最强峰对其两侧弱峰的干扰;并计算了油脂中每摩尔所含各功能团的个数、各功能团间的比率、酯化度、不饱和度、饱和碳链段平均长度、结合脂肪酸基平均碳数和平均分子量等.

关键词: 1H-NMR, 食用油, 半定量分析

Abstract: 1H-NMR semi-quantitative determination of the edible oils was carried out with necessary adjustments of the partial peak integrations in order to correct the interference of the CCH2C strong peak to the neighbouring weak ones. The amount of each functional group, ratio of quantities among various functional groups, esterification degree, unsaturation degree, average length of the saturated carbon chain, average carbon numbers in the combined fatty acids and average molecular weight per mole of oils were calculated.

Key words: 1H-NMR, Edible oil, Semi-quantitative analysis