食品科学2012,Vol.33Issue(7):280-283,4.
微囊藻毒素(MC-LR)在太湖螺蛳体内积累规律的研究
Accumulation Rule of Microcystin (MC-LR) in Herbivorous Aquatic Snail
摘要
Abstract
In order to understand the accumulation of water bloom microcystin in herbivorous aquatic snails, the standard toxin MC-LR was added in snail aquaculture water at the concentrations of 8μg/L and 80 μg/L, resulting in low and high toxicity groups. The feeding time lasted 50 days and liquid chromatography-mass spectrometry (LC-MS) was used to determine the amount of the toxin in different organs from the snails every other 10 days. The results showed that all investigated tissues had accumulation of MC-LR. The accumulation capacity of the toxin in inedible tissues ( 14.94 μg/kg at the maximum level) of snails was much more than that in edible tissues (2.49 μg/kg at the maximum level). In addition, the maximum accumulation in the high toxicity group presented a 6-fold increase when compared with the low toxicity group. The microcystic toxin accumulation in edible tissues from snails was in the safe range according to the WHO limit (1μ g/L) standard, but risk may still exist at the same time.关键词
微囊藻毒素/螺蛳/环境模拟/水产养殖/液相色谱-质谱法(LC-MS)Key words
microcystic toxin/snails/environmental simulation/aquaculture/liquid chromatography-mass spectromctry (LC-MS)分类
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李雪,周伟杰,钮为民,刘萍,张银志,孙秀兰..微囊藻毒素(MC-LR)在太湖螺蛳体内积累规律的研究[J].食品科学,2012,33(7):280-283,4.基金项目
无锡市科技局指导性计划项目 ()
江苏省卫生厅科研基金项目 ()