Analysis of Pesticide Residues in Stalk and Stem Vegetables Marketed in Northern Gyeonggi-do
2022
Yoo, N.Y. | Kim, K.Y. | Kim, Y.S. | Kim, S.T. | Song, S.H. | Lim, J.H. | Han, Y.L. | Choi, H.J. | Kim, Y.H. | Seo, J.H. | Choi, O.K.
This study aimed to investigate pesticide residues in 160 stalk and stem vegetables marketed in Northern Gyeonggi-do. The QuEChERS method using GC-MS/MS and LC-MS/MS was employed to analyze the residues of 341 pesticides in the samples. The maximum or lower than the residue limit was recorded in 75 samples (46.9%), while 4 samples (2.5%) exceeded the maximum residue limit (MRL). Thirty-nine kinds of residual pesticides were detected including fungicides (14), insecticides (22), herbicides (2), and plant growth regulator (1). Carbendazim and pendimethalin were the most frequelntly detected pesticides. Fenitrothion, procymidone, and diazinon exceeded MRL in garlic chives, and Welsh onion. This indicated that these vegetables along with water celery should be constantly monitored.
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