摘要
用水溶剂提取乌龙茶和乌龙茶嫩茎中的茶多酚成分,利用紫外光谱法进行分析,乌龙茶和乌龙茶嫩茎中茶多酚的最大吸收波长均在540 nm处,乌龙茶和乌龙茶嫩茎的茶多酚含量分别为26.4%和10.3%.
The tea polyphenols in oolong tea and spray of oolong tea were extracted with water,and were analyzed by UV.The max absorption wavelength of tea polyphenols in oolong tea and spray of oolong tea is at 540 nm,and contents of tea polyphenol are 26.4% and 10.3% respectively.
出处
《鞍山师范学院学报》
2007年第4期53-55,共3页
Journal of Anshan Normal University
