Zhejiang University

Minhui Huang

Zhiguo Zhang

Qiwei Yang

Zongbi Bao

Huabin Xing

Qilong Ren

Yiwen Yang

Baogen Su

Shuran Duan

Qianqian Zhou

The present invention discloses a process for preparing L-arabinose from Gum Arabic comprising the steps of catalytical hydrolysis of L-arabinose from gum arabic followed by the purification steps including neutralization using alkali, adsorption bleaching, electrodialysis desalination, adsorption separation of impurities and crystallization, with the absolute purity of L-arabinose up to 98% and the recovery as high as 25%&#x2dc;29% of material weight. The disclosed process has such advantages as low cost, environmental-friendliness and simple operation, showing promising in industrial production.

Process for preparing high-purity L-arabinose by using arabic gum as raw material

The present invention discloses a process for preparing high-purity raffinose from defatted wheat germ comprising the steps of percolate extraction of raffinose from defatted wheat germ, decoloration by extraction from the abstraction liquid, electrodialysis desalination, impurity removal by simulated moving bed, concentration and crystallization, with the absolute purity of raffinose as high as 98% and the recovery up to 75%. The process is not only reliable and easy to operate, but also easy to realize industrial production and control the parameters.

Technology for extracting and preparing high-purity raffinose from defatted wheat germ

Growing community of inventors

Hangzhou, China

Minhui Huang