Process optimization and kinetics of arabinose preparation by dilute acid hydrolysis

Authors

TIAN Long, Nanyang Normal University, Nanyang, Henan 473061, China; Research Center of Henan Provincial Agricultural Biomass Resource Engineering and Technology, Nanyang, Henan 473061, ChinaFollow
TONG Fen-fei, Nanyang Jingde Beer Technology Development Co., Ltd., Nanyang, Henan 473000, China; Henan Gongfang Beer Engineering Technology Research Center, Nanyang, Henan 473000, China

Abstract

Objective: Preferred biomass hydrolysis for preparation of arabinose and its kinetic analysis during the hydrolysis process. Methods: Single factor experiment and response surface methodology were used to optimize the conditions for the preparation of arabinose from gum Arabic by dilute acid hydrolysis, and the kinetics of the hydrolysis process was studied. Results: The optimum hydrolysis conditions were as follows: reaction time 237 min, sulfuric acid concentration 0.16 mol/L, reaction temperature 91 ℃. Three parallel experiments were carried out under these conditions. The average concentration of L-arabinose in the hydrolysate was 35.45 g/L. The kinetic parameters of arabinose formation and degradation were obtained by Saeman model fitting. The hydrolysis of Arabic gum is an internal diffusion controlled reaction process. Conclusion: The hydrolysis process of gum Arabic is a continuous pseudo homogeneous first-order reaction process, and the Saeman model can better describe the hydrolysis process of gum Arabic to arabinose.

Publication Date

6-9-2023

First Page

27

Last Page

31

DOI

10.13652/j.spjx.1003.5788.2022.90257

Recommended Citation

Long, TIAN and Fen-fei, TONG (2023) "Process optimization and kinetics of arabinose preparation by dilute acid hydrolysis," Food and Machinery: Vol. 39: Iss. 5, Article 5.
DOI: 10.13652/j.spjx.1003.5788.2022.90257
Available at: https://www.ifoodmm.cn/journal/vol39/iss5/5

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