Study on the Extraction Method of Total Flavonoids in Swertia mileensis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on the Extraction Method of Total Flavonoids in Swertia mileensis

Author(s):: ZHANG Hong¹; JI hong-xu¹; ZHANG Jiang-mei¹; WANG Bao-sen¹; BAI Hong-li²; GUO Jun-ming²; 1.Honghe University,Mengzi，Yunnan 661100；
2.Key Laboratory of Ethnic Medicine Resource Chemistry,State Ethnic Affairs Commission and Ministry of Education,Yunnan University of Nationalities,Kunming,Yunnan 650500

Abstract:: Swertia mileensis herbal medicine of National Folk in Honghe local were used as materials.The total flavonoids in Swertia mileensis were determined by ultraviolet spectrophotometry.The results showed that while alcohol 80% and 80% methanol as extractant，the extracting time was 3 d，the extraction of total flavonoids had good effect.Alcohol had better effect than methanol.The average recovery of this method was 102.2%,the relative standard deviation (RSD)of the method was 1.85 %.Its results were reliable.

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Last Update: 2014-08-29