| 利用碱提酸沉法从膨化玉米黄粉中提取谷蛋白 |
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| 引用本文： | 张铁,刘晓兰,郑喜群.利用碱提酸沉法从膨化玉米黄粉中提取谷蛋白[J].食品与机械,2012,28(2):123-125. |
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| 作者姓名： | 张铁 刘晓兰 郑喜群 |
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| 作者单位： | 齐齐哈尔大学食品与生物工程学院,黑龙江齐齐哈尔 161006;农产品加工黑龙江省普通高校重点实验室,黑龙江齐齐哈尔 161006 |
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| 基金项目： | 国家自然科学基金资助项目，黑龙江省自然科学基金资助项目 |
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| 摘 要： | 采用碱提酸沉法提取膨化的玉米黄粉谷蛋白,选择碱液浓度、温度、料液比和浸提时间作为因素进行试验。确定最佳提取条件:碱液浓度0.55%(m/V),浸提时间100min,温度65℃,料液比1∶16(m∶V)。该条件下玉米谷蛋白的提取率为50.14%。
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| 关 键 词： | 碱提酸沉 膨化 玉米黄粉 谷蛋白 |
Extraction of gluten from extruded corn gluten meal with alkali-dissolution and acid-precipitation |
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| ZHANG Tie
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LIU Xiao-lan
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ZHENG Xi-qun.Extraction of gluten from extruded corn gluten meal with alkali-dissolution and acid-precipitation[J].Food and Machinery,2012,28(2):123-125. |
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| Authors: | ZHANG Tie LIU Xiao-lan ZHENG Xi-qun |
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| Affiliation: | 1,2(1.College of Food and Biological Engineering,Qiqihar University,Qiqihar,Heilongjiang 161006,China;2.Key Constructive Laboratory of Processing Agricultural Products of Heilongjiang Province Normal University,Qiqihar,Heilongjiang 161006,China) |
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| Abstract: | The method of alkali-dissolution and acid-precipitation of protein were used to extract gluten from extruded corn gluten meal.The concentration of sodium hydroxide,extracting temperature,the ratio of extruded corn gluten meal to solution of sodium hydroxide,and extracting time were investigated with test of single factor and orthogonal design of L16(45).Optimized extraction condition were,concentration of sodium hydroxide of 0.55%(m/V),extracting time of 100 min,temperature of 65 ℃ and,ratio of solid-liquid of 1∶16.Under the optimized condition,the yield of gluten was 50.12%. |
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| Keywords: | alkali-dissolution and acid-precipitation extrusion corn gluten meal gluten |
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