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将苦丁茶叶分为四个等级 ,用等离子体原子发射光谱法和分光光度法对四个等级的苦丁茶微量元素和黄酮的含量分别进行了测定。得到的结果表明 :不同部位的苦丁茶微量元素和黄酮含量存在着一定的差别 ,四级品的黄酮明显较低
The kudzu tea is divided into four grades, and the contents of four grades of kudingcha trace elements and flavonoids are respectively determined by using plasma atomic emission spectrometry and spectrophotometry. The results showed that there were some differences in the contents of trace elements and flavonoids in Kuding tea among different parts, and the contents of flavonoids in four grades were obviously lower