A process for extracting plant sterol from plant oil deodorizer distillate (PODD) was studied in this paper. The process includes transesterification of sterol ester in PODD and purification of sterol from the product of transesterification by extraction and crystallation.
本文研究了从脱臭馏出物中提取植物甾醇的工艺，该工艺主要包括甾醇酯转酯化反应和转酯化物萃取-结晶工艺两个主要过程。
参考来源 - 植物甾醇提取工艺研究As for the esterification/transesterification reactions, when the soybean oil deodorizer distillate is esterified with 84%wt methanol at 65℃in the presence of 2%wt concentrated sulphuric acid, the optimum reaction time is 2h, and the conversion can be up to 98.49%.
首先研究了大豆脱臭馏出物的甲酯化、酯交换反应,确定了在65℃、2%wt浓硫酸催化下大豆脱臭馏出物与84%wt甲醇进行酯化反应适宜的时间为2h,酯化率可达98.49%;甲酯化产物在65℃、1%wtKOH催化下与58.5%wt甲醇进行酯交换反应适宜的时间为1h。
参考来源 - 大豆油脱臭馏出物中生育酚、甾醇和脂肪酸的提取工艺研究·2,447,543篇论文数据，部分数据来源于NoteExpress
萃取工艺的进料为甲酯化的大豆油脱臭馏出物。
The raw material for extraction is ME-SODD, prepared from soybean oil deodorizer distillation through the methyl esterification.
目的菜籽油脱臭馏出物是天然维生素e的重要来源之一。
Objective Rapeseed oil deodorizer distillate is an important source of natural vitamin e.
以甲酯化的大豆油脱臭馏出物为原料，从中分离提纯天然生育酚。
The purification of natural tocopherols from methyl esterified soybean oil deodorizer distillate was discussed.
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