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25一羟基维生素d多少正常范围
更新时间: 2020-11-05 00:00:00  

25一羟基维生素d正常值是30到100。。20到30是不足,10到20是缺乏,小于10是严重缺乏。

维生素D本身无生理作用(H.F.DeLuca等,1971)。用H3标记的D3进行研究,在肠道被吸收的D3首先在肝脏里发生C25的羟基化作用,变成25-羟基D3,它在肾脏线粒体中变为1,25-二羟基D3后被送至小肠粘膜,促进维生素D特有作用的钙的吸收。

关键词: 羟基 维生素 多少 正常 范围

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