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Preliminary Research on Extract Ferulic Acid from Wheat Bran by Ultrasonic-Assisted Alkaline-Alcohol Hydrolysis
Abstract:
Extracting Ferulic Acid from wheat bran by ultrasonic-assisted alkaline-alcohol hydrolysis.Bran removed part of starch and protein by amylase and protease,using ultrasonic and different concentrations of alkaline-alcohol solution to prepare ferulic acid,and then based on the yield of ferulic acid release from wheat bran to determine optimal preparation condition.The optimum conditions are:the concentration of sodium hydroxide 4%,alkaline-alcohol volume ratio of 2:1,ultrasonic temperature 80°C,ultrasonic power 200w,solid-to-liquid ratio 1:12,ultrasonic time of 30min,under this conditions the average extraction yield is 3.1mg/g
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753-758
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October 2011
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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