丙酸钙对水螅的急性毒性研究  

Study of the Acute Toxicity of Calcium Propionate on Hydra

作　　者：王哲娟[1] 范学铭[2] 

机构地区：[1]黑龙江省北安市第一中学,黑龙江北安164000 [2]哈尔滨师范大学生命科学与技术学院,哈尔滨150000

出　　处：《桂林师范高等专科学校学报》2012年第3期170-172,共3页Journal of Guilin Normal College

摘　　要：采用食品防腐剂丙酸钙对水螅进行24H急性毒性实验。结果表明:丙酸钙毒害水螅24h的LC50为2946mg/L。说明流失到自然界水域中的丙酸钙对水螅等淡水生存的动物造成胁迫,并可致动物死亡,并间接或直接地影响水生生态系统及以水螅为食物的下一级消费者。Calcium propionate was used on Hydra for acute toxicity test. The result shows that LC50 of Sodium benzoate poisoning Hydra during 24h is respectively2946mg/L and the loss of Sodium benzoate in the natural water threatens the survival of animals, such as Hydra by stress, and may cause them to die. It also affects aquatic ecosystem and the consumers with Hydra for food.

关 键 词：水螅 丙酸钙 半致死浓度(LC50) 

分 类 号：Q959.131[生物学—动物学]