Unverified90% confidenceDecision RuleTime unknown
银杏酸(ginkgolic acid)含量必须≤5ppm，超标的银杏酸具有致敏性和潜在细胞毒性，选购时应查看COA中的银杏酸检测数值而非仅看黄酮含量
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Unverified银杏酸(ginkgolic acid)是毒性杂质，医药级标准要求≤5ppm，选购时应查看是否标注'低银杏酸'或'去银杏酸'工艺，普通保健品若未标注该指标风险较高85% similarUnverified银杏酸(ginkgolic acid)是关键安全指标，必须≤5ppm。该成分有致敏和潜在肝毒性，浓缩不当的低价产品可能超标数十倍85% similarUnverified银杏酸(ginkgolic acid)是主要毒性成分，医药级/优质提取物应控制在5ppm以下，德国药典要求＜5μg/g，购买时查看是否标注'去银杏酸'或'ginkgolic acid<5ppm'，普通保健品若不标注该指标需警惕83% similarUnverified银杏叶提取物有效性关键看EGb761标准：黄酮苷含量≥24%、萜类内酯≥6%，同时银杏酸残留＜5ppm（银杏酸有致敏和细胞毒性，是质量分水岭）83% similarUnverified银杏酸含量控制在5ppm以下是区分医药级和普通膳食补充剂级银杏提取物的关键指标，EGb761满足此标准；银杏酸具有致敏和细胞毒性，普通保健品级产品可能未严格控制该指标82% similar
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