1 条结果 关键词:红茶质量 ×

Comparative assessment of tea quality by various analytical and sensory methods with emphasis on tea polyphenols.

Journal of food science and technology 2011 Kumar PV, Basheer S, Ravi R, Thakur MS

本研究旨在建立一种用于茶叶(Camellia sinensis)质量评价的高效方法,采用基于酪氨酸酶(tyrosinase)的生物传感器检测茶多酚(polyphenols, PP)。酪氨酸酶可催化茶多酚氧化聚合生成茶黄素(theaflavins, Tf)和茶红素(thearubigins, Tr),二者决定茶汤颜色与涩味,是茶叶品质...