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马铃薯渣蛋白抗氧化肽的酶法制备（Enzymatic Preparation of Anti-oxidation Peptide from Potato Pulp）
马铃薯渣 抗氧化肽 酶解 DPPH自由基清除率
2010/12/28
以马铃薯渣为原料，采用酶法将薯渣中的蛋白转化为具有抗氧化活性的多肽。以酶解液对DPPH自由基清除率为酶解效果评价指标，从木瓜蛋白酶、风味蛋白酶、中性蛋白酶、碱性蛋白酶、胰蛋白酶、胃蛋白酶等6种商业蛋白酶中筛选出胰蛋白酶为最佳水解用酶。通过优化试验，得出薯渣蛋白最佳酶解条件为：底物质量浓度4g/（100mL）、加酶量7%、pH值8.0、料液温度50℃、酶解时间90min。酶解液稀释20倍后对DP...
Improving the Utility of Potato Pulp for Bread-Making by Fermentation with Rhizopus oryzae
bread potato pulp bread-making quality
2009/6/18
Potato pulp is an agricultural by-product of the starch industry. To use it for bread-making, experiments were conducted to evaluate the bread-making quality of doughs to which intact potato pulp (IPP...
Comparison of Amylomyces rouxii and Rhizopus oryzae in Lactic Acid Fermentation of Potato Pulp
pectic substances polygalacturonase look-pang
2009/6/18
Amylomyces rouxii, the filamentous fungus widely used in the production of Asian fermented foods, is closely related to certain strains of Rhizopus oryzae secreting lactic acid. Among seven strains of...
Microflora and Selected Metabolites of Potato Pulp Fermented with an Indonesian Starter Ragi Tapé
Amylomyces rouxii lactic acid fermentation ragi tapé
2009/3/17
When potato pulp was mixed with Indonesian starter ragi tapé and incubated, both lactic acid and ethanol were gradually formed and attained certain concentrations during 2 days of fermentation. Viable...
Physicochemical and Gelling Characterizations of Pectin Extracted from Sweet Potato Pulp
sweet potato LM-pectin gel FT-IR spectroscopy
2008/4/20
A novel pectin was extracted from sweet potato (Ipomoea batatas) pulp (SPP) using 50 mM disodium phosphate solution. Uronic acids in the pectin extract were almost completely removed from the supernat...
Effects of Dietary Fiber Prepared from Sweet Potato Pulp on Cecal Fermentation Products and Microflora in Rats
sweet potato dietary fiber microflora organic acid short-chain fatty acid
2008/4/20
Sweet potato dietary fiber (SPDF) was prepared from sweet potato pulp on an industrial scale. Its dietary fiber content was 83.8%. Male Wistar Hannover GALAS rats, 4 wk old, were fed diets containing ...