2 条结果 关键词:茶多酚 ×

Tea polyphenols as an antivirulence compound Disrupt Quorum-Sensing Regulated Pathogenicity of Pseudomonas aeruginosa.

Scientific reports 2015 Yin H, Deng Y, Wang H, Liu W 等 6 人

绿茶是未发酵茶叶的水提物,具有多种生物活性。本研究考察茶多酚(TP)作为抗毒力化合物在体外和体内抑制群体感应(QS)的潜力。生物传感器法显示,TP 对受试病原菌的最低抑菌浓度(MIC)为 6.25–12.5 mg/mL。在亚 MIC 浓度下,TP 可特异性抑制 Chromobacterium violaceum 12472 产生 v...

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...