转酯化-结晶提取棉籽油脱臭馏出物中植物甾醇的研究

Transesterification - crystallization Extraction of Cottonseed Oil Deodorizer Distillate Study on Phytosterol

摘要:

本文系统地研究了棉籽油脱臭馏出物中甾醇提取方法，主要得出以下结论：采用转酯化-结晶法对棉籽油脱臭馏出物中甾醇进行萃取，最佳萃取条件为：料液比为1/5 (m/V)，转酯化温度为60 ℃，催化剂使用量为35%，转酯化时间为4 h，甾醇提取率为54.80%，甾醇纯度达到82.10%。

Abstract:

A process for extracting plant sterol from cotton oil deodorizer distillate and the crystal purification were studied. The optimal conditions for transesterification of sterol ester were obtained as followed: the rate of blend composition 1/5 (m/V), temperature 60 ℃, the dosage of catalyst 35% and time 4.0 hour. The recovery rate was 54.8% and purity of rough sterol was 82.10%.