Unverified78% confidenceDecision RuleTime unknown
标签成分表中若只写'维生素E'而不注明d-或dl-前缀,通常为合成型;明确标注'天然维生素E'或'd-alpha'的才是天然来源
1
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78%
Confidence
Long-term
Relevance
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Unverified天然维生素E(d-α-生育酚)生物活性约为合成型(dl-α-生育酚)的2倍,标签看前缀'd-'为天然,'dl-'为合成,但多数水溶性维生素天然与合成分子结构相同无差异86% similarUnverified维生素E选择d-α-生育酚(天然型)而非dl-α-生育酚(合成型),天然型生物利用度约是合成型的2倍,标签看'd-'开头为天然,'dl-'为合成85% similarUnverified天然维生素E标注为d-α-生育酚(RRR-α-tocopherol),合成为dl-α-生育酚(all-rac)。天然型生物利用度约为合成型的2倍,购买时看标签前缀'd-'为天然,'dl-'为合成84% similarUnverified维生素E需辨别天然型(d-α-生育酚)与合成型(dl-α-生育酚),天然型生物活性约为合成型的1.4倍,成分表以'd-'开头为天然,'dl-'为合成,有效剂量约15mg(约22IU天然型)80% similarUnverified选购维生素E时,看标签上是'd-alpha'(天然)还是'dl-alpha'(合成)是最关键的一步;Solgar这款标注为d-alpha-tocopherol,属于天然来源,选天然型是口碑中公认优先于合成型的选购规则80% similar
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