Composition and Physicochemical Properties of Dietary Fiber Extracted from Residues of 10 Varieties of Sweet Potato by a Sieving Method
文献类型: 外文期刊
第一作者: Mei, Xin
作者: Mei, Xin;Mu, Tai-Hua;Han, Jun-Juan
作者机构:
关键词: Sweet potato;dietary fiber;chemical composition;monosaccharide composition;physicochemical properties
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:5.279; 五年影响因子:5.269 )
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收录情况: SCI
摘要: Dietary fiber (DF) was extracted from sweet potato residues after starch isolation of 10 varieties using a sieving method. The proximate composition of sweet potato residues, chemical composition, monosaccharide composition, and physicochemical properties of DF were investigated. The average yield and DF content of DF products from 10 sweet potato varieties were 9.97 and 75.19%, respectively. Average contents of cellulose, lignin, pectin, and hemicellulose were 31.19, 16.85, 15.65, and 11.38 g/100 g of dry matter in DF products, respectively. The relative monosaccharide contents of DF were in the order glucose > uronic acid > galactose > arabinose > xylose > rhamnose > mannose. Swelling capacity, water-holding capacity, oil-holding capacity, and glucose absorption capacity determinations of the DF of sweet potato varieties had respective ranges of 8.11-12.56 mL/g, 3.54-6.15 g/g, 1.43-2.48 g/g, and 0.54-1.27 mmol/g. DF of the 10 varieties had clear differences in characteristics and physicochemical properties.
分类号: R15
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