2011•China BrewingRequires access
Microwave-assisted extraction of flovonlids from asparagus flour
Shen Xihai
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Abstract
The effect of microwave-assisted extraction conditions on extraction ratio of flavonoids from asparagus flour were studied.The optimum conditions were obtained as follows: extracting temperature 60℃,microwave power 200W,extracting time 100s and the ratio of asparagus to water 1:25(w/v).Under these conditions,extraction ratio of flavonoids was 4.24%.The average recovery rate was 97.75%.The standard deviation was 7.1×10-3 and the variation coefficient was 1.16%.