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Animal sterol mainly contains cholesterol;plant sterol mainly contains sitosterol, stigmasterol and compesterol etc, which exist in the plant seeds. 動物性甾醇以膽固醇爲(wèi)主，植物性甾醇主要爲(wèi)穀甾醇，豆甾醇和菜油甾醇等，存在與植物種子之中。