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KMID : 0380619880200040576
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Korean Journal of Food Science and Technology
1988 Volume.20 No. 4 p.576 ~ p.584
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Studies on the Dietary Fiber of Brown Rice and Milled Rice
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Abstract
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Neutral detergent fiber(NDF) were extracted from the Nampung, Milyang # 23, Whasung and Jinhung varieties of rice by neutral detergent fiber method. To determine the properties of NDF three factors were measured : water-binding capacity(WBC), Fe-binding capacity and sodium taurocholate binding with NDF. The average WBC of NDF was 5.60±0.87gH₂O/g NDF, and the average Fe-binding capacity ranged from 24.63% at pH 5.0 to 19.6% at pH 6.0 and 48.98% at pH 7.0. Binding of sodium taurocholate with NDF was determined in vitro using C-14 labeled sodium taurocholate at 100M sodium taurocholate concentrations. NDF binding of Jinhung was 27.87 while Nampung, Milyang # 23 and Whasung measured 32% each. When sodium taurocholate concentrations were raised from 40μM to 240μM the tendency of binding increased as the concentrations increased, but not linearly.
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