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얼갈이 배추와 열무에 엽면 살포된 농약의 김치 제조 및 김치냉장고 저장에 의한 변화
권혜영(Hyeyoung Kwon),손경애(Kyung-Ae Son),김택겸(Taek-Kyum Kim),홍수명(Su-Myeong Hong),조남준(Nam-Jun Cho) 한국농약과학회 2014 농약과학회지 Vol.18 No.4
This study was investigated the change of pesticide residues in young Chinese cabbages and young radishes sprayed with pesticides (young Chinese cabbage: diazinon EC, dimethomorph WP and imidacloprid WP, young radish: diazinon EC, imidacloprid WP and procymidone WP) during Kimchi preparation and storage in Kimchi fridge (?1.8℃) for 67 days. Pesticide residues in young Chinese cabbages were removed by up to 31~52% through brining and washing, 57~74% through seasoning with ingredients, 61~76% through 14 hours storage at room temperature, and 70~82% through storage in Kimchi fridge. Pesticide residues in young radishes were removed by up to 57~85% through seasoning with ingredients, 59~86% through 17 hours storage at room temperature, and 74~91% through storage in Kimchi fridge. It means that brining and washing process was more efficient than fermentation process.
엇갈이 배추 재배토양 중 살균제 Tricyclazole의 작물 전이량
황은정 ( Eun-jung Hwang ),황규원 ( Kyu-won Hwang ),김민기 ( Min-gi Kim ),전채호 ( Chae-ho Jeon ),문준관 ( Joon-kwan Moon ) 한국응용생명화학회 2017 Journal of Applied Biological Chemistry (J. Appl. Vol.60 No.4
This study was carried out to investigate the residual level of 5-methyl-1,2,4-triazolo[3,4-b][1.3] benzothiazole (tricyclazole) and the amount of transfer to Korean cabbage grown in treated soil with tricyclazole. The field trial on Korean cabbage was done at two different green houses located in Gwangju (Field 1) and Yongin (Field 2). Soil and cabbage samples were collected at different days after soil treatment of tricyclazole with two different concentration levels, respectively. Average recoveries of tricyclazole ranged from 83.5 to 92.1% in soil and cabbage and the variation coefficient was 1.3-6.8%. The initial concentrations of tricyclazole in field 1 soil were 4.25 and 8.97 mg/kg and decreased to 2.48 and 4.26 mg/kg at 43 DAT (day after treatment) and 0.88 and 2.02 mg/ kg and decreased to 0.43 and 0.98 mg/kg at 36 DAT in field 2, respectively. The half-life of tricyclazole was about 39.6 and 28.1 days for the low and high concentration of tricyclazole treated soils in field 1 and 27.9 and 17.2 days for the low and high concentration of tricyclazole treated soils in field 2, respectively. Residual levels of tricyclazole in Korean cabbage were ranged from 4.03 to 18.26 and from 8.26 to 35.08% of initial concentration in filed 1 and field 2 soils, respectively.