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Study on energy value of cereal dietary fiber in vivo
Author(s): 
Pages: 354-357
Year: Issue:  1
Journal: Science and Technology of Food Industry

Keyword:  膳食纤维 代谢能 能量值;
Abstract: 目的:评价膳食纤维的消化吸收及其对膳食能量的贡献和影响。方法:通过人体试食实验测定不同膳食纤维(DF)含量膳食(低纤膳食、正常膳食、低和高燕麦DF、低和高玉米DF)的燃烧能、产能营养素和DF含量,以及测定排泄物中的总粪能和总尿能,统计分析谷物膳食纤维的消化率和能量系数。结果:膳食谷物纤维的表观消化率平均为66.0%,真消化率平均为63.4%,膳食纤维能量系数为7.1~16.5kJ/g。结论:膳食纤维在体内代谢产生能量,不同种类膳食纤维能量系数不同。
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