Unverified85% confidenceDecision RuleTime unknown
标准化提取物(standardized extract)标注为25%花青素苷,纯度和有效成分稳定;未标注标准化比例的'蓝莓浓缩粉'或'蓝莓果粉'实际花青素含量可能不足1%,价格便宜但效果弱
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85%
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Long-term
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Unverified选购蓝莓提取物应认准标准化提取物标注花青素含量≥25%(即每500mg提取物含≥125mg花青素),无花青素百分比标注的产品可能只是浓缩果粉,有效成分极低91% similarUnverified复配蓝莓提取物+叶黄素,兼顾花青素与黄斑保护,但单一成分含量相比专项高含量产品偏低,属于广谱低剂量路线88% similarUnverified看有效成分应认准花青素含量而非蓝莓提取物总量,优质产品标注花青素≥25%(如36%越橘提取物换算花青素约6-9mg/粒),劣质品仅标'蓝莓浓缩汁'含量极低88% similarUnverified花青素原料以黑加仑(黑醋栗)提取物纯度最高,标准化提取物花青素含量可达25-35%,蓝莓提取物通常仅为标准化到25%但实际天然含量较低,葡萄籽提取物主打的是原花青素(OPC)而非花青素,两者结构和作用有差异83% similarUnverified护眼目的选购时认准标准化提取物(如标注25% anthocyanins或36% OPC),标准化程度越高活性成分越稳定,非标准化的'蓝莓粉'实际花青素含量可能不足1%81% similar
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