一、胆汁酸的营养生理胆汁酸是动物体内胆固醇代谢过程中所产生的一系列固醇类物质,因为主要经由胆囊和胆汁一起排泄到肠道中,并具有酸性,因此统称为胆汁酸。各种动物胆汁酸的组成和数量差异极大,而虾、蟹等甲壳动物由于没有胆囊,没有胆汁酸。 First, the nutritional acid bile acid Bile acid is the body’s cholesterol metabolism in the process of producing a series of steroid substances, because mainly through the gallbladder and bile excreted to the intestine, and with acidic, so collectively referred to as bile acids. A variety of animal bile acids vary greatly in the composition and quantity, and shrimp, crab and other crustaceans because there is no gallbladder, no bile acid.