论文部分内容阅读
十溴联苯醚(BDE209)是一种具有持久性有机污染物特征的溴系阻燃剂,可在生物体代谢生成更高毒性的化合物.本文利用从人体粪便中提取的微生物以及通过人体肠道微生态系统模拟装置培养的人体肠道微生物,在体外条件下研究BDE209在人体肠道微生物作用下的代谢.结果表明在为期10d的反应时间里,BDE209含量保持稳定,在气相色谱-质谱联用仪(GC-NCI-MS)的色谱图中也没有检测到可能的脱溴代谢产物,说明BDE209没有发生显著的脱溴代谢作用.
Decabromodiphenyl ether (BDE209) is a brominated flame retardant with persistent organic pollutants, which can be metabolized in the organism to produce more toxic compounds.This paper utilizes the microorganisms extracted from human excrement and through the human intestine The results showed that BDE209 content remained stable in the reaction time of 10d, and the content of BDE209 in gas chromatography-mass spectrometry (LC-MS / MS) system was stable under the conditions of in vitro culture of human intestinal micro-organism No possible debromination products were detected by GC-NCI-MS, indicating that BDE209 did not show significant debromination.