贵州疣螈淀粉酶活性研究  

Amylase Activitiy of Salamander Tylototriton kweichowoensis

作　　者：胡思玉[1] 肖玲远[1] 白建梅[1] 

机构地区：[1]毕节学院环境与生命科学系,贵州毕节551700

出　　处：《水产科学》2008年第4期196-198,共3页Fisheries Science

基　　金：毕节学院科学研究基金资助项目[院(筹)字(2004)050号]

摘　　要：采用3,5—二硝基水杨酸法研究贵州疣螈离体消化器官淀粉酶活性,测定贵州疣螈消化系统胃、肝、前肠、中肠、后肠淀粉酶的最适pH依次为:2.2、7.8、7.0、7.8和8.2,最适温度依次为:45、35、35、30、35℃,在最适pH和最适温度条件下各组织的淀粉酶活性依次为118.5、126.2、56.1、53.7、41.7个活性单位。Amylase activity in digestive system in salamander Tylototriton kweichowoensis was determined in vivo by DNS.It was found that the optimum pH in stomach,liver,foregut,midgut and hindgut was 2.2,7.8,7.0,7.8 and 8.2,respectively.The optimum temperature was 45 ℃,35 ℃,35 ℃,30 ℃ and 35 ℃,respectively .Under the optimum pH and temperature,the amylase activity in each was 118.5,126.2,56.1,53.7 and 41.7 active unit,respectively.

关 键 词：贵州疣螈 消化系统 最适PH 温度 淀粉酶 活力 

分 类 号：S966.39[农业科学—水产养殖]