[KongchangAI]
Unverified90% confidenceFactTime unknown

天然食物中的叶酸(folate)生物利用度约为50%,而合成叶酸(folic acid)接近85%,孕期备孕若单靠天然叶酸食品,每日需摄入约400-800μg DFE(膳食叶酸当量)才能满足需求

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90%
Confidence
Long-term
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