VitD的生理及代谢 维生素D来源 维生素D的代谢及生理功能 维生素D代谢的调带
维生素D来源 维生素D的代谢及生理功能 维生素D代谢的调节 Vit D 的生理及代谢
Source of Vit D Mother Food Sun exposure Support two Natural foods: Major source weeks inadequate
Mother Sun exposure Source of Vit D Food Support two weeks Natural foods: inadequate Major source
401 30 20 10 0 Rs0=0.7628 0 10 20 30 Cord 25 OHD (ng/ml) Correlation between maternal and cord 25 OH D
Correlation between maternal and cord 25 OH D
维生素D的含量 Natural foods Breast milk 1μgL Cow's milk 0.5-1μgL Egg 1.75μg/100g Butter 0.75-1.5μg/100g Vit D 1 ug 40IU
Natural foods Breast milk 1 µg /L Cow’s milk 0.5-1µg /L Egg 1.75 µg/100g Butter 0.75-1.5µg/100g * Vit D 1 µ g = 40IU 维生素D的含量
Major source-sunlight Skin Cholecalciferol 7-Dehydrocholesterol (vitamin D3) Cutaneous synthesis
Cutaneous synthesis