Effect of selenium on the generation of trans fatty acids in tea seed oil
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Abstract
The effect of selenium on the generation of trans fatty acids in tea oil was investigated in detailed. With adding different amounts of sodium selenite in tea seed oil, changing heating temperature and heating time, the content of trans oleic acid and trans-linoleic acid was monitored by gas chromatography.The results showed that selenium salts should not be added into tea seed oil because the contents of the trans- oleic acid and trans-linoleic acid increased with the adding of selenium saltunder heated conditions and the trans fatty acid content reached 30.27% and selenium salt could promote the generation of trans fatty acids.,
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