A food additive with prebiotic properties of an α-D-glucan from Lactobacillus plantarum DM5

被引：84
作者：
Das, Deeplina [1 ]
Baruah, Rwivoo [1 ]
Goyal, Arun [1 ]
机构：
[1] Indian Inst Technol Guwahati, Dept Biotechnol, Gauhati 781039, Assam, India
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2014年 / 69卷
关键词：
Glucan; Prebiotic; Inulin; Lactobacillus plantarum; Marcha; PHYSICOCHEMICAL PROPERTIES; EXOPOLYSACCHARIDE; POLYSACCHARIDES; DEXTRANSUCRASE;
D O I：
10.1016/j.ijbiomac.2014.05.029
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
An alpha-D-glucan produced by Lactobacillus plantarum DM5 was explored for in vitro prebiotic activities. Glucan-DM5 demonstrated 21.6% solubility, 316.9% water holding capacity, 86.2% flocculation activity, 71.4% emulsification activity and a degradation temperature (T-d) of 292.2 degrees C. Glucan-DM5 exhibited lowest digestibility of 0.54% by artificial gastric juice, 0.21% by intestinal fluid and 0.32% by alpha-amylase whereas the standard prebiotic inulin, showed 25.23%, 5.97% and 19.13%, hydrolysis, respectively. Prebiotic activity assay of glucan-DM5 displayed increased growth of probiotic bacteria such as Bifidobacterium infands and Lactobacillus acidophilus, but did not support the growth of non-probiotic bacteria such as Escherichia coli and Enterobacter aerogenes. The overall findings indicated that glucan from L. plantarum DM5 can serve as a potential prebiotic additive for food products. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：20 / 26
页数：7
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