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Determination of Total Flavone and Microelements in Premna microphylla Turcz

The study determines the contents of total flavone,Fe,Ca,Zn,Mg and Cu with spectrophotometer and atomic absorption methods.The results show that the total flavonoid content is 6.06%,Ca is 12 574 μg/g,Fe is 1 830.5 μg/g,Mg is 4 312.5 μg/g,Zn is 41.5 μg/g,Cu is 29.5 μg/g.There isn't a similar report about the determination the total flavone and microelements of premna microphylla turcz,so it plays an important role in researching and developing the resource of premna microphylla Turcz.