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Study the concentratino of flavonoids of seasonal chang in viola philippicassp munda w.becker

Dong Ai-Wen1,Chen Gong-Xi2,Zhu Sheng-Wen3,He Zheng1  
The concentration of flavonoids of variant seasonal Viola philippicassp.munda W.Becker was determind with ultraviolet spectuophtometry,the detective wavelength was 510nm,the R2 of standard curve was 0.9993 and the relative standard deviation was 2.098%,with the average recovery of 99.82%.The result showed that the rate of veracity of this method was high and this provided the determination of not same seasonal Viola philippicassp.munda W.Becder flavonoids of pharmacognositic and finished products a feasible method.Variance analysis show that there is very much difference from these variant seasonal Viola philippicassp.munda W.Becder. Author's address:1.Biology Resources Department Zhangjiajie school of Jishou University;2.Sang Zhi County Hurongqiao Middle school.Hunan Zhangjiajie 427000
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