Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Removal Efficiency of Pesticide Residues in Chinese Cabbage Produced in Highland by Washing

세척에 의한 고랭지배추의 잔류 농약 제거 효과

Ahn, Soon-Young;Kim, Ki-Deog;Lee, Jong-Nam;Im, Ju-Sung;Nam, Chun-Woo;Jung, Jin-Chel;Lee, Eung-Ho
안순영;김기덕;이종남;임주성;남춘우;정진철;이응호

  • Published : 20081200
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Abstract

This study was conducted to examine the removal efficiency of 4 pesticides in Chinese cabbage (Brassica campestris L.) by different types of washing solution after harvest. To determine the removal efficiency of different washing solutions, samples were stored at 4℃, washed by different washing solutions and analyzed for amount of pesticide residues in Chinese cabbage. Removal efficiency of pesticide by tap water, baking soda (0.2%), charcoal water (20 g･L-1, pH 7.2), vinegar (5%) ranged from 26.5-83.8%, 32.7-93.3%, 40.3-89.7%, and 22.9-85.1%, respectively. The order of average removal efficiency of the pesticides was bifenthrin (82.7%), kresoxim-methyl (79.7%), pyraclofos (44.4%) and metalaxyl (38.2%). The washing efficiency of a pesticide is not correlated with its water solubility.

고랭지배추 내 잔류농약을 제거하기 위하여 일반가정에서 많이 사용하는 4가지 세척제(수돗물, 베이킹소다(0.2%), 숯을 하루 담가둔 물(20g･L-1, pH 7.2), 식초(5%))를 이용하여 세척제에 의한 잔류농약 저감률을 알아보았다. 세척제에 따른 잔류농약의 저감률은 수돗물은 26.5-83.8%, 베이킹소다(0.2%) 사용 시 32.7-93.3%, 숯을 하루 담가둔 물(20g･L-1, pH 7.2)은 40.3-89.7%, 식초(5%) 사용 시 22.9-85.1% 사이로 나타났다. 잔류농약 제거율은 농약별로는 bifenthrin, kresoxim-methyl, pyraclofos, metalaxyl 순으로 높게 나타났다. 세척제에 따른 잔류농약 평균 제거율은 숯을 하루 담가둔 물(20g･L-1, pH 7.2), 베이킹소다(0.2%), 수돗물, 식초(5%) 순이며, 60% 정도의 평균 제거율을 나타내었다. 세척제에 의한 농약의 제거율은 각 농약의 수용성과는 상관관계가 없었다.

Keywords

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