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Improved D-Glucosamine Hydrochloride Preparation from Waste Hypha Residue of Citric Acid

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Abstract:

The improved preparation of D-glucosamine hydrochloride from waste hypha residue of citric acid was reported. The use of HCl and acetic acid system as an acid hydrolysis reagent led to a significant increase in the yield of D-Glucosamine hydrochloride (GluHCl). Other effects of various factors on the preparation of GluHCl were also investigated: temperature of acidification, HCl concentration, and reaction time. The experimental conditions were optimized by a L9 (34) orthogonal array design (OAD) with four factors at three levels using statistical analysis. Under optimal conditions, the yield of GluHCl reached 5.2%.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

545-548

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.545

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Online since:

December 2013

Authors:

Xiao Ling Sun*, Zhi Tan, Ying Jiang, Min Yue Xu

Keywords:

Acid Hydrolysis, D-Glucosamine Hydrochloride, Waste Hypha Residue of Citric Acid

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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