Unverified85% confidenceDecision RuleTime unknown
发酵法(微生物合成,如Suntheanine专利工艺)纯度可达98%以上且L型占比高,茶叶提取法易残留咖啡因和儿茶素;对咖啡因敏感或夜间服用者应选发酵法/合成来源
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Unverified采用Suntheanine专利酶促发酵工艺生产,纯度>99%纯L-茶氨酸异构体,非茶叶提取因此不含咖啡因85% similarUnverified采用Suntheanine专利发酵法生产的L-茶氨酸,纯度高于普通茶叶提取来源,是该品类中公认的优质原料80% similarUnverified纯度越高(发酵/合成98%+)来源越可控但成本高,茶叶提取虽含天然辅助成分但纯度波动大、可能带咖啡因;追求稳定剂量选高纯发酵,追求天然全谱可接受提取法74% similarUnverified认准配料表为100%纯草本,避免含'香精/天然香料(natural flavor)'的调味茶,后者多为掩盖低质原料且草本活性成分含量低66% similarUnverified含真正药材成分的药食同源茶必须在配料表标注具体克数或添加量,若仅标注'桑叶提取物''决明子提取物'而无原料等级和产地,多为香精调味的风味茶,功效成分含量极低65% similar
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