ZHANG Ke-feng1, GAO Ya2, DUAN Xiao-qun1. Optimization of Extracting Technology of Total Flavonoids from Osbeckia opipara[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(3): 55-57.
ZHANG Ke-feng1, GAO Ya2, DUAN Xiao-qun1. Optimization of Extracting Technology of Total Flavonoids from Osbeckia opipara[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(3): 55-57. DOI: 10.13422/j.cnki.syfjx.2013.03.030.
Optimization of Extracting Technology of Total Flavonoids from Osbeckia opipara
Objective:To optimize extraction technology of total flavonoids in Osbeckia opipara.Method:The content of total flavonoids was determined by UV spectrophotometry
with yield of total flavonoids as index
influence of extraction time
solid-liquid ratio and ethanol concentration on extraction technology of total flavonoids was investigated by orthogonal design.Result:The best extraction technology was as following:extracted 3 times with 20 times the amount of 75% ethanol
1 h each time
yield of total flavonoids 1.83%.Conclusion:This optimized technology was simple and feasible
it provide experimental evidence for fully utilization of O.opipara resources.