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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(dòng)物性甾醇以膽固醇為主，植物性甾醇主要為谷甾醇，豆甾醇和菜油甾醇等，存在與植物種子之中。