共轭亚油酸(CLA)作为近年发现的天然活性脂肪酸之一,是必需脂肪酸亚油酸(LA)衍生的共轭双烯酸多种位置与几何异构体的总称,是亚油酸的次生衍生物,具有多种生理功效。天然的共轭亚油酸主要存在于反刍动物如牛、羊等的肉[1]和乳制品[2]如炼乳、牛奶、酸乳酪等中,并且在乳制品加工 Conjugated linoleic acid (CLA), one of the naturally occurring fatty acids found in recent years, is a generic term for a variety of positions and geometrical isomers of conjugated diene acids derived from linoleic acid (LA), an essential fatty acid, Secondary derivatives, with a variety of physiological effects. Natural conjugated linoleic acid is mainly found in meat [1] and dairy products [2] such as condensed milk, milk, yoghurt and the like of ruminants such as cattle and sheep and is also used in dairy products processing