2004•Guangxi Medical JournalRequires access
The process optimization to extract flavonoids from Longyanshen by the method of orthogonal test
Xiaolong Kong
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Abstract
Objective To optimize the best conditions of extracting flavonoids from longyanshen.Methods Orthogonal test design was used,the temperature,concentration of alcohol,extraction time,and extraction times were four factors in the experiment,and each factor was at four levels.Results The extraction time had significant influence on the content of flavonoids,and other factors had less effects.Conclusion The best extraction process is A 4B 2C 4D 3.