母乳中维生素D水平及影响因素研究

近年来的研究表明维生素D(VitD)不但发挥调节钙磷代谢,维持骨骼健康的作用,而且对骨骼外系统发挥重要作用。所以VitD的摄入和最佳营养状况问题越来越受关注。尽管VitD的营养主要靠阳光照射途径,但对婴儿来说母乳也是其重要途径之一。而母乳中VitD的水平究竟是多少?有哪些因素影响到母乳中VitD的水平?母乳喂养的婴儿摄入多大剂量的VitD制剂最合适? 本文对这些方面的研究进展进行总结,以便更好地指导母乳喂养婴儿的VitD摄入问题。

Research on vitamin D levels in breast milk and influencing factors

Recent studies indicate that vitamin D not only regulates calcium and phosphorus metabolism,maintain bone health,but also plays an important role on skeletal system.So the problem of vitamin D intake and the best nutritional status get more and more attention.Although vitamin D nutrition mainly by the sun,but for the baby,breast milk is one of the important ways.And what is the level of vitamin D in breast milk? What factors affect the level of vitamin D in breast milk? How much dose of vitamin D is the most suitable for breastfeeding infants? In this paper,the progress of research in these areas is summarized in order to better guide the vitamin D intake of breast fed infants.