| 醇-碱法提取啤酒糟中蛋白质 |
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| 引用本文： | 李志东,李娜,魏丽. 醇-碱法提取啤酒糟中蛋白质[J]. 青岛科技大学学报(自然科学版), 2008, 29(1): 19-21 |
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| 作者姓名： | 李志东 李娜 魏丽 |
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| 作者单位： | [1]大连市环境科学设计研究院,辽宁大连116023 [2]沈阳师范大学实验中心,辽宁沈阳110034 |
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| 摘 要： | 以酒糟为原料,通过醇-碱法进行蛋白质提取。对影响蛋白质提取的因素,如提取剂醇-碱体积比和用量的选择、提取温度、提取时间等条件进行研究,并进行了正交试验。确定了获得最大提取量的条件为醇-碱体积比1∶2的混合液作为提取剂,每10 g干酒糟加入30 mL;提取温度30℃,时间70 min。
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| 关 键 词： | 酒糟 醇-碱法 蛋白质 提取 |
| 文章编号： | 1672-6987(2008)01-0019-03 |
| 修稿时间： | 2007-05-28 |
Studies on Extraction of Protein from Brewer's Spent Grain by Alcohol-alkali Method |
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| LI Zhi-dong,LI Na,WEI Li. Studies on Extraction of Protein from Brewer's Spent Grain by Alcohol-alkali Method[J]. Journal of Qingdao University of Science and Technology:Natutral Science Edition, 2008, 29(1): 19-21 |
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| Authors: | LI Zhi-dong LI Na WEI Li |
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| Abstract: | The extraction of protein from brewer's spent grain is studied.The influences of the ratio of alcohol-alkali,the ratio of brewer's spent grain and extraction solvent,temperature and time of extraction,are discussed.The optimum conditions obtained by the orthogonal experiment are as follows: the ratio of alcohol-alkali is at 1∶2,extraction solvent is 30 mL per 10 g dry brewer's spent grain,and at the same time the extraction solution is kept at 30 ℃ for 70 min. |
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| Keywords: | brewer's spent grain alcohol-alkali protein extraction |
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