【摘要】 目的确定嫩肉粉半数致死剂量LD50。方法采用改进寇氏法测定嫩肉粉LD50。结果嫩肉粉NIH小鼠经口灌胃LD50为8711mg/kg.bw。结论根据国家标准评价,嫩肉粉毒性分级属实际无毒级。更多还原

【Abstract】 Objective Backcroukd and ain to acquire median lethal dose of meat tenderizer powder.material and Methods 50 nih male mice were feed normal food and water before test and were randomly distributed into five groups which were administered with meat tenderizer powder at different doses by gavage.The indices include toxic syndrome and death rate of each group.Results It was shown that lethal dose of meat tenderizer powder is 7940(5840～10800)mg/kg.bw(male Wistar rat,gavage)and 6810(-)(female Wistar rat,gavage),respectively.Conclusion Meat tenderizer powder belongs to actually toxic-free level by national criterion of toxicant.更多还原