Quantitative determination of conjugated linoleic acids in hydrogenated vegetable oils using refractive index

被引：9
|
作者：
Jung, Mun Yhung [1 ]
Park, Ji Su [2 ]
Yoon, Suk Hoo [3 ]
机构：
[1] Woosuk Unvers, Dept Food Sci & Culinary Art, Samnye 55338, Jeonbuk, South Korea
[2] Korea Food Res Inst, Food Anal Ctr, Songnam 13539, Gyeonggi, South Korea
[3] Woosuk Univ, Dept Food Sci & Biotechnol, Samnye 55338, Jeonbuk, South Korea
来源：
FOOD SCIENCE AND BIOTECHNOLOGY | 2016年 / 25卷 / 01期
关键词：
refractive index; iodine value; conjugated linoleic acid; hydrogenation; vegetable oil; SOYBEAN OIL; SELECTIVE HYDROGENATION; BODY-COMPOSITION; EDIBLE OILS; FATTY-ACIDS; IDENTIFICATION; ISOMERS;
D O I：
10.1007/s10068-016-0018-6
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Conjugated linoleic acid contents in hydrogenated vegetable oils were differentially determined using refractive indices when the iodine value could not be used. The refractive indices of soybean oil, cottonseed oil, and corn oil varied linearly with changes of linoleic acid contents of individual oils with determination coefficients of 0.91, 0.98, and 0.98, respectively. The refractive index can be used as a simple and fast method for control of the hydrogenation process of vegetable oils to obtain a desired conjugated linoleic acid content without fatty acid compositional analysis.
引用
收藏
页码：121 / 124
页数：4
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