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《Journal of Anhui Agricultural Sciences》 2010-27
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Detection of Total Flavonoids in Panax notoginseng Powder

LI Zhong-ying et al(Hunan Chemical Vocational Technology Institute,Zhuzhou,Hunan 412004)  
[Objective] The study was to provide the scientific basis for the development and utilization of total flavones in Panax notoginseng.[Method] P.notoginseng powder was taken as the raw material.The total flavonoids in it was extracted by 50% ethanol dissolution and ultrasonic extraction method.The content of total flavonoids in the extract was measured by UV spectrophotometry with rutin as the standard sample.[Results] The maximum absorption wavelength of rutin was 510 nm.The linear relation between sample concns.and absorbance was good in the range of 0.010-0.997 mg/ml.The average recovery of the method was 99.58% with RSD of 1.22%.The RSD of the repeatability experiment was 2.92% and that of accuracy experiment was 3.23%.Which indicated that the method was accurate and repeatable.[Conclusion]The study established a detection method of total flavonoids in P.notoginseng powder with rutin as the standard sample.
【CateGory Index】: R284
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