贵阳主要消费茶叶中的毒死蜱残留量

Residue level of Chlorpyrifos in main teas consumed in Guiyang

对贵阳市2018年主要消费的6种茶叶,采用气相色谱仪检测其毒死蜱残留量。结果显示:6种茶叶的毒死蜱残留量均低于50ng/g。其中,毒死蜱最高和最低残留量分别在绿茶中的碧螺春和龙井茶检出(32ng/g;4.4ng/g),3种红茶中,毒死蜱的平均残留量相当。

For the six kinds of teas mainly consumed in Guiyang City in 2018,the residual amount of chlorpyrifos was detected by gas chromatograph equipment.The results showed that the chlorpyrifos residues of the six kinds of teas were all lower than 50ng/g.Among them,the highest and lowest residue of chlorpyrifos were detected in Biluochun and Longjing tea of green tea(32ng/g;4.4ng/g).Among the three kinds of black tea,the average residue of chlorpyrifos were close.