Title: Preliminary study of extracting flavonoids from leaves of powdery bamboo
Abstract: The extraction effects of flavoniod from penny leaf have been compared by three solutions,and the effects of temperature,solution concentration,extracted time,ratio of material and solution on extracting flavoniod have been also studied.The experiments show that the optimization process parameters for the extraction are as follows: acetone mass fraction 40 %,ratio of material to solution(m:v)1∶20,extraction time 120 minutes,temperature 60℃.The factors magnitude influencing extraction of flavonoids were in order as follows: concentration of acetone extraction time ratio of material to solution temperature.It has been showed that the extraction rate of flavonoids extracted by Soxhlet extraction method was higher than that by leaching method,and that extraction rate of flavonoids from air-dry leaves was higher than that from leaves dried by frozen-dry.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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