Production of chitooligosaccharides using an ultrafiltration membrane reactor and their antibacterial activity

被引：228

作者：

Jeon, YJ ^{[1
]}

Kim, SK ^{[1
]}

机构：

[1] Pukyong Natl Univ, Dept Chem, Pusan 608737, South Korea

来源：

CARBOHYDRATE POLYMERS | 2000年 / 41卷 / 02期

关键词：

chitooligosaccharides; enzymatic hydrolysis; ultrafiltration membrane reactor; antibacterial activity;

D O I：

10.1016/S0144-8617(99)00084-3

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

To increase the solubility of chitosan in an aqueous solution and to facilitate its utilization, the enzymatic production of chitooligosaccharides with a high degree of polymerization (DP) was carried out using an ultrafiltration (UF) membrane reactor system. 80% of the oligosaccharides produced were in the range DP3-6. Compared with a batch reactor, in the UF membrane reactor system, at least 11 batches of substrate could be hydrolysed for the same quantity of chitosanuse. Oligosaccharides obtained using the reactor system showed antibacterial activity and a 0.5% concentration completely inhibited the growth of Escherichia coli. (C) 2000 Elsevier Science Ltd. All rights reserved.

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收藏

页码：133 / 141

页数：9

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