The result showed that the impurities in crude phytosterols from soybean oil deodorizer distillate and rapeseed oil deodorizer distillate were long chain alkane and wax, respectively.

• 以菜籽油脱臭馏出物生产的甾醇粗制品中,杂质主要是长链烷烃,易采用正己烷进行重结晶精制,精制甾醇的纯度也可达96%25以上。