梨小食心虫性诱芯中活性成分的气相色谱-质谱定量分析

Shaofang DU,Jinlong LIU,Weixin FAN,Bokai YANG,Xiaoyuan JING

Journal of Shanxi Agricultural Sciences（2017）

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Abstract

采用外标法,利用气相色谱-质谱联用技术定量分析了梨小食心虫性诱芯中主要活性成分顺-8-十二碳烯醇乙酸酯(Z8-12∶Ac)的含量.结果发现,使用正己烷提取了反口橡皮塞诱芯中的Z8-12∶Ac,在20～100 μg/mL范围内进行测定,方法具有良好的线性关系(R2=0.988 5),方法检出限(LOD)为0.014 μg/mL,定量限(LOQ)为0.079 μg/mL,相对标准偏差为1.74％;测定结果满意,有较好的准确度和精密度,能满足性诱芯中Z8-12∶Ac的检测要求.

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