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选购绿茶提取物应认准EGCG（表没食子儿茶素没食子酸酯）标准化含量≥45%，总儿茶素≥60%，只标注'绿茶提取物500mg'而不注明EGCG百分比的产品有效成分不可控，应避开

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Unverified送高端商务客户，绿茶类礼盒需选明前特级（谷雨前采摘），单盒净重100-150g足矣，重规格轻数量；口粮送礼选武夷岩茶/普洱等耐储茶，可放大规格至250g以上77% similar Unverified绿茶礼盒认准'明前茶'（清明前采摘），西湖龙井明前一级干茶含水量≤6.5%，条索扁平挺直、色泽嫩绿，明后茶叶片偏大、价格骤降但送礼档次明显下降76% similar Unverified如果你已经习惯喝绿茶获得类似的咖啡因+茶氨酸组合，这款产品的优势主要在于剂量精确可控，适合需要稳定日常用量管理的场景75% similar Unverified抹茶与绿茶粉是两种不同产品：抹茶必须用覆盖遮阴栽培（采前遮光20天以上）+石磨研磨，颗粒细度达2-10微米；绿茶粉是普通绿茶直接粉碎，颗粒粗（20-50微米）、颜色偏黄、苦涩明显。配料表标'绿茶粉'的产品不能等同抹茶75% similar Unverified绿茶类（如龙井）保质期短且对储存条件敏感，买来送人需注意生产日期，放置过久易氧化变味；普洱等黑茶类则耐存放74% similar

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