对于有小肠粘膜乳糖酶水平低下、先天性乳糖酶缺乏、小肠粘膜受损、原发性或继发性乳糖不耐受等疾患的婴儿,往往要开限制乳糖含量或无乳糖的婴儿配方奶处方。乳糖是一种乳中天然存在的双糖,合成于肺泡细胞的高尔基复合体。乳糖具有等量的葡萄糖和半乳糖,是乳中的主要碳水化物,因此也是新生儿食物中的主要 Infants who have conditions such as low levels of small intestinal mucosal lactase, congenital lactase deficiency, impaired intestinal mucosa, primary or secondary lactose intolerance often have prescriptions for lactose-limited or lactose-free infant formula . Lactose is a naturally occurring disaccharide in milk synthesized in the alveolar cell Golgi complex. Lactose, which has equal amounts of glucose and galactose, is the major carbohydrate in milk and is therefore also a major component of newborn foods