孔雀石绿对两种藻类的毒性
STUDY ON TOXICITY OF MALACHITE GREEN ON TWO SPECIES OF ALGAE
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摘要: 考察了孔雀石绿对小球藻(Chlorella pyrenoidosa)和金藻(Isochrysis zhan jiangensis)生长的影响,并研究了孔雀石绿对小球藻中叶绿素含量的影响.结果表明,孔雀石绿对两种藻类的生长具有较强的抑制效应,96 h的半抑制效应浓度(EC50)分别为0.133 mg·l-1和0.017mg·l-1时属于高毒,而且对金藻的毒性大于小球藻.小球藻中叶绿素b和类胡萝卜素的含量随孔雀石绿浓度的增加而明显下降.Abstract: The study investigated the effects of malachite greenon the growth of Chlorella pyrenoidosa and Isochrysis zhan jiangensis and the chlorophyll content of Chlorella pyrenoidosa.The data were processed with the method of probability units-logarithm concentration.The results indicated that the toxicity of malachite green to Isochrysis zhanjiangensiswas higher than Chlorella pyrenoidosa,and the 96 h EC50 of malachite green to the two algae were 0.133 mg·l-1 and 0.017 mg·l-1,respectively.The contents of chlorophyll b and carotenoid in Chlorella pyrenoidosa decreased significantly with increasing of malachite green concentration.
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Key words:
- malachite green /
- Chlorella pyrenoidosa /
- Isochrysis zhanjiangensis /
- chlorophyll
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