Study on Extracting and Purification PUFA from Turtle Oil

Abstract

Abstract: The research on Extracting and Purification PUFA from turtle oil was studied in this article.The PUFA was extractedby interesterification and the best extracting conditions were:the rate of ethanol to turtle oil 0.73:1, sodium hydroxide 3%(of oilweight),reaction temperature 65℃,reaction time 2h. The PUFA was purified by urea inclusion and the best purification conditionswere: the rate of urea-ethanol saturation solution to fatty acid ethyl ester 15:1,mixing round time 3h,inclusion time 1.The resultshowed that high purified PUFA was made from turtle oil by interesterification and urea inclusion.

Key words: turtle oil, poly unsaturated fatty acid(PUFA), extract, purification

XU Shui-Xiang, ZHOU Dan-Yi, XU Fei-He, JIANG You-Shui. Study on Extracting and Purification PUFA from Turtle Oil[J]. FOOD SCIENCE, 2004, 25(11): 118-120.

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Study on Extracting and Purification PUFA from Turtle Oil

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