近年来，人类钙营养不足的问题受到广泛的关注。研制开发新型钙源对于促进人类健康，防治多种钙缺乏性疾病具有重要意义。乳糖是一种低甜度的糖源，是一种常用药用辅料。国外有文献报道，乳糖可以增加股骨对45Ca摄取的能力[1]。为进一步探讨乳糖对肠道钙吸收的影响进行了本实验 In recent years, the problem of human calcium deficiency has received widespread attention. Research and development of new sources of calcium for the promotion of human health, prevention and treatment of a variety of calcium deficiency disease is of great significance. Lactose is a low-sweet sugar source, is a commonly used pharmaceutical excipients. Foreign literature has reported that lactose can increase femoral 45Ca uptake capacity [1]. This experiment was carried out to further investigate the effect of lactose on intestinal calcium absorption