烟草中抑芽丹残留量的测定

Determination of Maleic Hydrazide Residues in Tobacco

采用ISO 4876-1980规定的方法测定了239个国产烟叶、49个进口烟叶和12个进口卷烟样品中的抑芽丹残留量。结果表明:国产烟叶抑芽丹的检出率为6.69%,最高54.00mg/kg,最低1.50mg/kg,平均6.82mg/kg;进口卷烟检出率为58.33%,最高42.75mg/kg,最低7.75mg/kg,平均17.57mg/kg;进口烟叶检出率为30.61%,最高14.00mg/kg,最低1.50mg/kg,平均5.63mg/kg。

The residues of maleic hydrazide （MH） in 239 domestic tobacco leaf, 49 imported tobacco leaf and 12 imported cigarette samples were determined according to ISO 4876 - 1980. The results showed that： 1）the detectable rate of MH in the domestic tobacco leaves was 6.69%, the highest residue was 54.00mg/kg, the lowest 1.50mg/kg, and the mean value 6.82mg/kg; 2）the detectable rate of MH in the foreign cigarettes was 58.33%, the highest residue was 42.75mg/kg, the lowest 7.75mg/kg, the mean value 17.57mg/kg; and 3）the detectable rate of MH in the imported tobacco leaves was 30.61%, the highest residue was 14.00mg/kg, the lowest 1.50mg/kg, and the mean value 5.63mg/kg.