Unverified85% confidenceFactTime unknown
虎杖（Polygonum cuspidatum）提取的白藜芦醇纯度和含量远高于葡萄皮提取（虎杖可达50%以上纯度），市面绝大多数标注高含量的产品都源自虎杖；但虎杖提取物需关注是否含蒽醌类杂质，认准去除大黄素处理工艺
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85%
Confidence
Long-term
Relevance
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First Seen
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Unverified虎杖（Polygonum cuspidatum）提取的白藜芦醇纯度可达98%以上且成本较低，葡萄皮提取纯度通常仅5%-50%但天然复合多酚更丰富，追求高纯度选虎杖来源，追求天然协同选葡萄提取88% similarUnverified虎杖（Polygonum cuspidatum）提取的白藜芦醇纯度可达98%以上且成本低，葡萄皮/葡萄藤提取纯度通常仅50%以下但更接近天然复合成分，追求高纯度选虎杖来源88% similarUnverified虎杖（Polygonum cuspidatum）提取的白藜芦醇纯度可达98%以上且成本低，是市面主流来源；葡萄皮提取纯度通常只有5-20%但含有原花青素等伴生多酚。追求高纯度单体选虎杖源，追求天然协同多酚选葡萄源88% similarUnverified虎杖（Polygonum cuspidatum）提取的白藜芦醇纯度可达98%以上且成本低，是市面主流原料；葡萄皮/葡萄籽来源纯度通常仅50%左右且含杂质，若产品强调'葡萄来源'但价格昂贵，性价比反而更低82% similar
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