Unverified92% confidenceDecision RuleTime unknown
白藜芦醇有顺式和反式两种异构体,只有反式(trans-resveratrol)有生物活性,选购必须看标注反式占比≥98%,标签只写'白藜芦醇总量'而不标反式含量的产品要警惕
1
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92%
Confidence
Long-term
Relevance
-
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Unverified白藜芦醇有反式(trans)和顺式(cis)两种构型,只有反式白藜芦醇才具有生物活性,选购时应确认标注'trans-resveratrol'或'反式白藜芦醇占比≥98%',未标注构型的产品可能含大量无效顺式成分95% similarUnverified白藜芦醇有顺式和反式两种结构,只有反式(trans-resveratrol)具有生物活性,选购时应确认标签标注'反式白藜芦醇≥98%',仅标注'白藜芦醇总含量'可能掺杂无效顺式结构94% similarUnverified选购时看'反式白藜芦醇'(trans-resveratrol)含量而非'白藜芦醇'总量,反式构型才是有生物活性的形态,优质产品应标注反式占比≥98%91% similarUnverified白藜芦醇有顺式(cis)和反式(trans)两种构型,只有反式白藜芦醇具有生物活性,选购时应确认标注'反式白藜芦醇占比≥98%',仅标注'白藜芦醇总量'的产品可能含大量无效顺式结构90% similarUnverified葛根提取物的活性成分实测常以'葛根总黄酮/葛根总异黄酮'标注,而'葛根素'仅是其中一种成分,两者不等同——比较产品时应统一口径,警惕用总黄酮数值混淆成葛根素含量71% similar
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