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首页> 外文期刊>African Journal of Biotechnology >Physicochemical composition and antioxidant properties of a sweetpotato variety (Ipomoea batatas L) commercially sold in South Eastern Nigeria
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Physicochemical composition and antioxidant properties of a sweetpotato variety (Ipomoea batatas L) commercially sold in South Eastern Nigeria

机译：在尼日利亚东南部商业出售的甘薯品种（Ipomoea batatas L）的理化组成和抗氧化特性

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摘要

The physicochemical composition, functional properties, inhibitory actions and energy value of the flour of a cream fleshed sweetpotato variety (TIS/87/0087) that is high yielding and commercially sold in South Eastern Nigeria were investigated using standard techniques. The flour was observed to have good functional properties with a pH of 5.32±0.01, high percentage moisture content, indicative of poor shelf life characteristics and high chances of being attacked by microbes, low percentage dry matter, lipid, crude fibre and ash contents but a promising source of starch (20.78±0.02%), carotene (5.0±0.04 μg/g), protein (2.67±0.59%), carbohydrate (40.77±3.05%), energy (179.61±20.97 kcal/100 g), polyphenols, in addition to containing significant quantities of reducing sugar (1.58±0.53%). In addition, the methanolic extract of the flour possessed higher scavenging activities on 2,2 diphenyl-1-picrylhydrazyl (DPPH) radical than standard quercetin. Results show that this sweet potato variety has potentials of biological properties and could have wide utility in food, alcohol and? sugar industries. In addition, it could serve as a promising source of protein and its consumption could be utilized in the management of diseases that implicate free radicals. Finally, it could also be useful as a drug binder and disintegrant in pharmaceutical industries.
机译：使用标准技术研究了高产并在尼日利亚东南部商业出售的乳白肉甘薯品种（TIS / 87/0087）的面粉的理化组成，功能特性，抑制作用和能量值。观察到该面粉具有良好的功能特性，pH为5.32±0.01，水分含量高，表明保存期限特性差，被微生物侵袭的几率高，干物质，脂质，粗纤维和灰分含量低，但是淀粉（20.78±0.02％），胡萝卜素（5.0±0.04μg/ g），蛋白质（2.67±0.59％），碳水化合物（40.77±3.05％），能量（179.61±20.97 kcal / 100 g），多酚的有希望的来源，此外还含有大量的还原糖（1.58±0.53％）。另外，面粉的甲醇提取物比标准槲皮素具有更高的清除2,2二苯基-1-吡啶并肼基（DPPH）的活性。结果表明，该甘薯品种具有生物学特性，可在食品，酒精和其他食品中广泛使用。制糖业。此外，它可以作为有前途的蛋白质来源，其消耗可用于管理涉及自由基的疾病。最后，它也可用作制药工业中的药物粘合剂和崩解剂。

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