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醇-碱法提取啤酒糟中蛋白质
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,2008,29(1):19-21.
作者姓名:李志东  李娜  魏丽
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
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。

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年5月28日

Studies on Extraction of Protein from Brewer's Spent Grain by Alcohol-alkali Method
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.
Authors:LI Zhi-dong  LI Na  WEI Li
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.
Keywords:brewer's spent grain  alcohol-alkali  protein  extraction
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