美国宾夕法尼亚大学营养学家曼斯博士,于1979年通过实验分离出牛奶中一种能抑制胆固醇生成的成分——乳基酸,从而证实了牛奶并非会引起胆固醇升高,而反之却具有降低胆固醇水平的功效。原来,人体血清中胆固醇的来源有两个:饮食摄入与自身肝脏合成。肝脏合成胆固醇是一个包括双 Dr. Mans, a nutritionist at the University of Pennsylvania in the United States, experimentally isolated a milk-based component of milk, lactate, in 1979, confirming that milk does not cause elevated cholesterol but conversely reduces cholesterol The level of efficacy. It turned out that there are two sources of cholesterol in human serum: dietary intake and synthesis of their own liver. Liver synthesis of cholesterol is one that includes double