Opimization of Xylan Hydrolysis Catalyzed by Carbon-Based Solid Acid Catalyst for Preparing Xylooligosaccharides

doi:10.7506/spkx1002-6630-201712026

FOOD SCIENCE ›› 2017, Vol. 38 ›› Issue (12): 171-176.doi: 10.7506/spkx1002-6630-201712026

• Processing Technology • Previous Articles Next Articles

Opimization of Xylan Hydrolysis Catalyzed by Carbon-Based Solid Acid Catalyst for Preparing Xylooligosaccharides

HAN Pengfei, YU Zuosi, GUO Jianzhong, LI Bing, LIU Li

1. Key Laboratory of Chemical Utilization of Forestry Biomass of Zhejiang Province, School of Sciences, Zhejiang A&F University, Lin’an 311300, China; 2. School of Engineering, Zhejiang A&F University, Lin’an 311300, China

Online:2017-06-25 Published:2017-06-26

Abstract

Abstract: In the current study, xylooligosaccharides (XOS) were prepared by catalytic hydrolysis of beech wood xylan using carbon-based solid acid catalyst (AC-SO3H). The effects of reaction time, temperature and catalyst dosage on the yield of XOS were investigated. Using orthogonal array design, the optimal hydrolysis conditions were determined as 0.5 g of xylan, 0.2 g of AC-SO3H, and reaction time 3 h at 140 ℃. Under these conditions, the effect of different catalysts, namely, AC-SO3H, M-AC-SO3H and S-AC-SO3H, on XOS yield was investigated. The results showed that the highest yield of XOS of 66.60% was obtained by using AC-SO3H.

Key words: xylan, xylooligosaccharides, carbon-based solid acid catalyst

CLC Number:

TS245.9

HAN Pengfei, YU Zuosi, GUO Jianzhong, LI Bing, LIU Li. Opimization of Xylan Hydrolysis Catalyzed by Carbon-Based Solid Acid Catalyst for Preparing Xylooligosaccharides[J]. FOOD SCIENCE, 2017, 38(12): 171-176.

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Opimization of Xylan Hydrolysis Catalyzed by Carbon-Based Solid Acid Catalyst for Preparing Xylooligosaccharides

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