羊毛脂原料价格便宜、易于得到，其中胆甾醇的附加值极高，因此，该工艺技术具有很高的工业化价值。
Since lanolin is a cheap and easily gained material, and the extracted cholesterol is of high added value, this study has great value for industrialization.
研究了以粗羊毛脂为原料提取胆甾醇的工艺过程，重点研究了从羊毛脂醇中提取胆甾醇的工艺过程。
In the paper, the process of extraction of cholesterol from crude lanolin was studied, and the one from lanolin alcohol which is one of saponification production of lanolin were focused on.
研究了以粗羊毛脂为原料提取胆甾醇的工艺过程，重点研究了从羊毛脂醇中提取胆甾醇的工艺过程。
In the paper, the process of extraction of cholesterol from crude lanolin was studied, and the one from lanolin alcohol which is one of saponification production of lanolin were focused on.
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