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Ferulic acid and p-coumaric acid solubilization by alkaline hydrolysis of the solid residue obtained after acid prehydrolysis of vine shoot prunings: Effect of the hydroxide and pH

Paper ID Volume ID Publish Year Pages File Format Full-Text
4289 219 2009 6 PDF Available
Title
Ferulic acid and p-coumaric acid solubilization by alkaline hydrolysis of the solid residue obtained after acid prehydrolysis of vine shoot prunings: Effect of the hydroxide and pH
Abstract

Laboratory-scale experiments were conducted with the goal of releasing ferulic acid (FA) and p-coumaric acids (p-CA) from the solid residue obtained after prehydrolysis of prunings of vine shoots. Firstly, an alkaline hydrolysis with different hydroxides at mild conditions of temperature (35 °C) was performed, followed by acidification of liquors, and liquid–liquid extraction with ethyl acetate. The influence of two operational variables was tested on three levels in a 9 factorial design. The independent variables were the type of hydroxide (3N NH4OH, KOH or NaOH) and pH in the range 1.5–7.5. Under the optima conditions (3N KOH, pH 2.88), 228.6 mg FA/L, 0.41 mg FA/g vine shoots, 102.6 mg p-CA/L, and 0.147 mg p-CA/g vine shoots, were achieved.

Keywords
Trimming wastes; Ferulic acid; p-coumaric acid; Alkaline hydrolysis
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Ferulic acid and p-coumaric acid solubilization by alkaline hydrolysis of the solid residue obtained after acid prehydrolysis of vine shoot prunings: Effect of the hydroxide and pH
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 43, Issue 2, 15 February 2009, Pages 129–134
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us