Physico-chemical characteristics and non-starch polysaccharide contents of Indica and Japonica brown rice and their malts

被引：76
作者：
Mohan, B. H. [1 ]
Malleshi, N. G. [1 ]
Koseki, T. [2 ]
机构：
[1] Cent Food Technol Res Inst, Dept Grain Sci & Technol, Mysore 570020, Karnataka, India
[2] Natl Res Inst Brewing, Mat Res Div, Higashihiroshima, Japan
来源：
LWT-FOOD SCIENCE AND TECHNOLOGY | 2010年 / 43卷 / 05期
基金：
日本学术振兴会;
关键词：
Rice malt; Amylase activity; Pasting characteristics; Carbohydrate & protein profile; STARCH; WHEAT; FRACTIONS; CEREALS; ACIDS; DIET; RAGI;
D O I：
10.1016/j.lwt.2010.01.002
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Brown rice malt from Indica and Japonica type rice were prepared and their nutrient composition as well as non-starch polysaccharide (NSP) contents and also some of the physico-chemical characteristics were determined. The activity of alpha- and beta-amylases in the ungermmated (native) rice was negligible but Increased considerably on germination Malting altered the chemical composition of both Indica and Japonica rice to a small extent but caused noticeable changes in the pasting characteristics The free sugars and water-soluble non-starch polysaccharide (NSP) contents of the malt samples were considerably higher than the native samples. The carbohydrate elution profile of native and malted rice on Sepharose CL-2B revealed partial degradation of starch However, the electrophoresis patterns of the native and malt samples were comparable but exhibited decrease in their band intensity The study revealed that, controlled germination or malting causes considerable changes in the physico-chemical and bio-chemical properties of both Indica and Japonica rice (C) 2010 Elsevier Ltd All rights reserved
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页码：784 / 791
页数：8
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