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银杏叶苯丙氨酸解氨酶盐析条件的研究
Study on the Condition for Salting-out of Phenylalanine Ammonia-lyase(PAL) in Ginkgo biloba Leaves
【摘要】 用固体加入法研究了银杏叶苯丙氨酸解氨酶(PAL)的盐析过程。结果表明: 50%→75%饱和度的(NH4)2SO4盐析,蛋白质的收获率高,PAL的纯化倍数高,是较理想的盐析范围。
【Abstract】 The course of salting-out the phenylalanine ammonia-lyase(PAL) in Ginkgobiloba leaves was studied. The results showed that there were more protein product and higher purifying fold of PAL at the range of 50%→75% (NH4)2SO4 saturation which was the suitable range for PAL salting-out.
【关键词】 银杏叶;
苯丙氨酸解氨酶;
盐析条件;
【Key words】 Ginkgu biloba leaf; phenylalanine ammonia-lyase(PAL); salting-out;
【Key words】 Ginkgu biloba leaf; phenylalanine ammonia-lyase(PAL); salting-out;
【基金】 教育部科技攻关计划资助项目(02095);湖北省自然科学基金(2002AB094)
- 【文献出处】 湖北农学院学报 ,Journal of Hubei Agricultural College , 编辑部邮箱 ,2003年06期
- 【分类号】S664.3
- 【被引频次】10
- 【下载频次】156