CHEN Jian-zhen1, CHEN Jian-ming2, LV Gui-yuan1. Optimization of Extraction Technology for Total Flavonoids from Juming Jiangya Prescription[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(16): 36-38.
CHEN Jian-zhen1, CHEN Jian-ming2, LV Gui-yuan1. Optimization of Extraction Technology for Total Flavonoids from Juming Jiangya Prescription[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(16): 36-38. DOI: 10.13422/j.cnki.syfjx.2012.16.063.
Objective:To optimize extraction technology of total flavonoids from Juming Jiangya prescription.Method: With yield of extract
the content of total flavonoids and buddleoside as indexes
the content of total flavonoids and buddleoside were determined by UV spectrophotometry and HPLC
respectively.extraction solvent
solvent dosage
soaking time
extraction time and extraction times were selected as investigating factors
extraction technology was optimized by single factor test and orthogonal test.Result: Optimized extraction conditions were:soaked 15 min with 80% ethanol
extracted 3 times with 8
6
6 times the amount of 80% ethanol
1.5 hours for each time.Conclusion: Optimized extraction process was rational
stable and could be used in large-scale production.