矫香工艺对γ-氨基丁酸茶品质的影响
Jiangsu Agricultural Sciences(2012)
Abstract
通过茉莉花窨制处理,以茉莉花的芳香来矫正γ-氨基丁酸茶残留的不良气味.采用感官审评方法评定各茶样的品质因子,用化学分析方法分析茶样中的关键品质成分,以探讨矫香工艺对γ-氨基丁酸茶品质的影响.结果表明:茉莉花香消除了γ-氨基丁酸的不良气味时,γ-氨基丁酸含量仍然高达2.5 mg/g;同时,儿茶素与氨基酸含量的比值以及儿茶素苦涩味指数降低,茶叶滋味变得更加醇和爽口,成为具有高香的花香γ-氨基丁酸茶.
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