To explore the difference of mutagenicity and acute toxicity between laundry detergents and ponceau 4R in Misgurnus angullicaudatus,actute toxicity tests and micronuclei tests were studied.

• 采用急性毒性试验和红细胞微核测试法,研究洗衣粉与胭脂红对泥鳅的急性及遗传毒性的差异。