食品科学 ›› 2004, Vol. 25 ›› Issue (8): 121-124.
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张良, 薛刚, 张彩莹, 黄开勋
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ZHANG Liang, XUE Gang, ZHANG Cai-Ying, HUANG Kai-Xun
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摘要: 在传统制备超氧化物歧化酶的基础上,进行工艺改进。直接用血块,采用机械破碎法破膜,热变性及两次乙醇-氯仿沉淀除杂蛋白,然后丙酮沉淀,按照此工艺分离提取获得高纯度的Cu,Zn-SOD,比活达到6988U/mg•pro。
关键词: 牛血, 铜锌超氧化物歧化酶(Cu, Zn-SOD), 分离提取, 新工艺
Abstract: A new procedure is designed based on the conventional method. Higher purity Cu,Zn-SOD is obtained by thermaldenaturalization, twice ethanol-chloroform to remove other protein, acetone precipitation. Its specific activity is 6988U/mg•pro.
Key words: bovine blood, copper and zinc superoxide dismutase(Cu,Zn-SOD), extraction, new technology
张良, 薛刚, 张彩莹, 黄开勋. 牛血铜锌超氧化物歧化酶分离提取新工艺[J]. 食品科学, 2004, 25(8): 121-124.
ZHANG Liang, XUE Gang, ZHANG Cai-Ying, HUANG Kai-Xun. Extraction New Technology of Bovine Blood Copper and Zinc Superoxide Dismutase (Cu, Zn-SDD)[J]. FOOD SCIENCE, 2004, 25(8): 121-124.
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