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- Title
大白菜中氟氯氰菊酯残留的快速测定及方法评估.
- Authors
谭慧林; 金永生; 余琪; 牛贵洋; 包东东; 陈海元; 张志东
- Abstract
【Objective】 To detect cynuthrin residues in Chinese cabbages from markets of Aksu region, and evaluate the fast kit for cynuthrin.【Methods】 The reference method, industry standard NY / T 761-2008 and the rapid kit for pyrethroid were used to determine cynuthrin residues in Chinese cabbages. The rapid kit was evaluated according to "technical specification for evaluation of rapid detection methods of food".【Results】 None of cynuthrin residues was detected in all samples by the GC method. According to test results in different spiked levels for cynuthrin by the fast test kit, the sensitivity of the kit was 75%, and specificity for pyrethroid pesticide residues was 100%. Compared with the instructions, the false negative rate was 25%, the rate of false positive was 0, and the detection limit concentration was 0.4 mg/kg. 【Conclusion】 Cynuthrin residues in Chinese cabbage sold in Aksu region was lower than the maximum residue limit allowed. The fast kit can be used in rapid screening of cynuthrin residue in Chinese cabbage.
- Publication
Xinjiang Agricultural Sciences, 2021, Vol 58, Issue 1, p168
- ISSN
1001-4330
- Publication type
Article
- DOI
10.6048/j.issn.1001-4330.2021.01.020