Unverified90% confidenceFactTime unknown
维A标注单位需换算:1μg RAE = 1μg视黄醇 = 12μg膳食β-胡萝卜素 = 3.33 IU视黄醇,购买时注意区分IU与μg,避免因单位混淆导致剂量误判
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Unverified维生素A剂量单位存在IU与μg RAE两种标注,换算为1μg视黄醇=3.33 IU、1μg β-胡萝卜素约等于0.167μg RAE,比价和计算安全剂量时须统一单位避免误判83% similarUnverifiedIU与mg换算:天然维E 1mg≈1.49 IU,合成维E 1mg≈2.22 IU,比较产品剂量时需换算成同一单位否则会误判78% similarUnverifiedIU与mg换算需注意来源:天然维E 1mg = 1.49 IU(1IU天然=0.67mg),合成维E 1mg = 2.22 IU(1IU合成=0.45mg)。同样标注400IU,天然型实际提供约268mg,换算不能一概而论74% similarUnverifiedIU与mg换算:1IU天然维E(d-α-生育酚)≈0.67mg,1IU合成维E(dl-α-生育酚)≈0.45mg,看标签毫克数时需注意来源类型才能准确对比剂量74% similarUnverifiedIU与mg换算:天然d-α型1mg=1.49IU,合成dl-α型1mg=1IU,购买时看清标注单位避免误判实际剂量73% similar
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