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蚕蛹油的提取及其不饱和脂肪酸分离研究

Shandong Food Ferment(2012)

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Abstract
以蚕蛹为原料,采用索氏抽提法从蚕蛹中浸提蚕蛹油,分别采用几种不同的提取溶剂浸出,当在石油醚和丙酮以体积比为1:1,按固液比为1:3时,在65℃条件下回流浸提6小时,得油率高达29.3%。蚕蛹油用碱性液进行提取,经减压浓缩去除溶剂制得混合脂肪酸,再采用尿素包合法提取蚕蛹油中不饱和脂肪酸。最终得出分离不饱和脂肪酸的最佳工艺条件:以甲醇为溶剂,尿素与脂肪酸质量之比为13:1,包合温度为0℃,时间为12小时,可聚合较高纯度的不饱和脂肪酸。
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Key words
Urea inclusion,Unsaturated fatty,Extraction soxhlet,Silkworm pchrysalis pil
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