不同沖泡條件對鳳慶大葉種茶樹花水提物清除DPPH能力的影響

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Abstract： Using YunnanFengqing large leaf tea flowers as theraw materials and DPPH freeradical scavenging rate as the evaluation index，tea flowers were brewed according to diferent methods to studythe efectofdiferent brewing conditions on DPPH free radical scavenging ability of tea flowers.The optimal brewing conditions for tea flowers were obtained as follows： brewing time of 4 minutes， water temperature of 80°C ，and solid-liquid ratio of 1：50 .Under these brewing conditions，the antioxidant activity of tea flowers reached its highest level. Keywords： tea flowers， tea antioxidant， brewing process， single factor，response surface method

茶樹是我國重要的經(jīng)濟(jì)作物之一，具有“結(jié)實(shí)少、開花多、花期長、壽命短”的特點(diǎn)[12]，茶樹花有“安全植物的胎盤”“茶樹上的精華”的美譽(yù)。（剩余7823字）