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김난영(Nan-Young Kim),김영숙(Young-Sug Kim),김명길(Myung-Gil Kim),정홍래(Hong-Rae Jung),김윤성(Yun-Sung Kim),김한택(Han-Taek Kim),이선우(Sun-Woo Lee),채경석(Kyeng-Suk Chae),윤미혜(Mi-Hye Yoon) 한국농약과학회 2012 농약과학회지 Vol.16 No.1
We analysed 149 samples of Korean traditional herbal tea materials. The 156 pesticides were analyzed by GC/ECD and NPD, detected pesticides were confirmed by GC-TOF/MS. Sample preparation was performed bv multi-residue analysis method of multiclass pesticides of the Korea Food Code. The residual pesticides were detected in 22 samples(14.8%), the highest detection frequency samples are lycium and jujube. Detected pesticides in Korean traditional herbal tea materials were chlorpyrifos (5 samples), chlorothalonil (3 samples), cypermethrin (3 samples), hexaconazol (3 samples) and cyhalothrin(3 samples). The pesticide types detected in Korean traditional herbal tea materials were organophosphorus(29.2%), pyrethroids(16.7%), organochlorines (12.5%) and triazoles(12.5%). The 5 samples(lycium, jujube, chrysanthemum, balloon-flower, milk vetch root) were detected pesticides below MRLs, 2 samples(cornus fruit, cnidium) were detected pesticides unnotificated MRLs.
자외선 조사에 의한 고춧가루 중 잔류농약 제거효과 연구
정유정(You-Jung Jung),엄미나(Mi-Na Eom),정일형(Il-Hyung Jeong),손종성(Jong-Sung Son),김경아(Kyung-A Kim),신상운(Sang-Woon Shin),오상헌(Sang-Hun Oh),김봉렬(Bong-Real Kim),채경석(Kyeng-Suk Chae),윤미혜(Mi-Hye Yoon) 한국농약과학회 2012 농약과학회지 Vol.16 No.2
This study was carried out to investigate the degradation of six residual pesticides (?- and β-Endosulfan, Cypermethrin, Fenitrothion, Hexaconazole, EPN) in red pepper powder after ultraviolet (UV) irradiation. The residual ratio of pesticides after 365 nm irradiation which distance is 20 cm and irradiation time is 5 minutes were 73.4, 69.6, 60.8, 92.7, 73.8 and 90.5% in ?-Endosulfan, β-Endosulfan, Cypermethrin, Fenitrothion, Hexaconazole and EPN, respectively. The residual ratio of pesticides after 254 nm irradiation which distance is 5 cm and irradiation time is 36 hours were 74.6, 64.5, 71.1, 79.1, 79.4 and 64.7% in ?-Endosulfan, β -Endosulfan, Cypermethrin, Fenitrothion, Hexaconazole and EPN, respectively.