Development of Multi-residue Analysis and Monitoring of Persistent Organic Pollutants (POPs) - Used Organochlorine Pesticides in Korea

Abstract

This study was conducted to investigate residual organochlorine pesticides in green house soil and oriental melon, green pepper, and lettuce. The majority of them were designated as persistent organic pollutants (POPs) by the international community at the Stockholm Convention on Persistent Organic Pollutant. Extraction and clean-up method were developed using the QuEChERS method for residual organochlorine pesticides (OCPs) in soil and oriental melon, green pepper and lettuce. Recovery of OCPs in greenhouse soil and oriental melon, green pepper, and lettuce ranged from 73.3-110.6%. Limit of detection (LOD) of OCPs in soil and 3 crops were 0.01-0.08 and 0.11-0.17 μg/kg. The residues of OCPs in oriental melon, green pepper and lettuce greenhouse soil were analyzed by the developed method, and dieldrin, β-endosulfan and endosulfan sulfate were detected at 1.4-72.5, 0.1-78.7 and 0.0-214.1 μg/kg, respectively. The detection frequency of 3 compounds in soils were 52 (29.7%), 34 (19.4%) and 57 (32.6%) among 175 samples, respectively. However, these compounds were not detected in all crop samples. The residue level in 3 crops were lower than 1/58.8 of maximum residue level of them. These results showed that the OCPs residue in oriental melon, green pepper, and lettuce greenhouse soil were not as high as crop safety threatening. Key words

Comparison of the plant uptake factor of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) from the three different concentrations of PFOA and PFOS in soil to spinach and Welsh onion

“…Especially, PFOA, PFOS and those related compounds have been listed on persistent organic pollutants (POPs) in Stockholm Convention [17,18,29,31,32]. Although the POPs had been banned to produce and use in commercial products, there were frequently detected in environment, crops and wildlife as well as in human [2,14,20,[24][25][26]28,30]. To know the current exposure level of PFOA and PFOS in human, many scientists reported the exposure assessment and scenarios from air, water, food and living environment [1,4,13,37,38].…”

Investigation of Residual Organochlorine Pesticides in Apple and Pear Orchard Soil and Fruit

“…배는 가식율 80-82%, 수분함량 80-85%, 탄수화물 7-10%, 단백질 0.3% 내외, 지방질 0.2%, 섬유소 0.5%, 무기질은 나트륨, 칼슘, 마그네슘 함량이 75% 를 차지하고 있어 강한 알칼리 식품으로 건강 지향적인 식품 으로 알려져 있고, 클로로제닉산 및 아르부틴 등의 폴리페놀 화합물을 함유하고 있어 항당뇨, 항고혈압, 혈중 지질 억제 작용, 간세포 활성 촉진 및 해독 촉진 작용, 면역 증진, 천식 억제 등 다양한 생리활성을 보유하고 있는 것으로 보고되고 있다 An et al, 2004;Hwang and Pyo, 2005;Yun et al, 2006;Zhang et al, 2008;Lee et al, 2012;Min et al, 2013). (Lim et al, 2016a(Lim et al, , 2016b(Lim et al, , 2016c(Lim et al, , 2017a.…”

“…사과 및 배 과수원 토양 중 조사대상 잔류성유기염소계 농 약 19종의 잔류량 분석을 위한 전처리는 QuEChERS 방법을 다소 변형한 방법을 사용하였고, 이를 Fig. 1에 나타냈다 (Lim et al, 2016a(Lim et al, , 2016b(Lim et al, , 2016c(Lim et al, , 2017a(Lim et al, , 2017b. 채취한 과수원 토양 50 g을 삼각플라스크에 칭량하고, magnesium sulfate 20 g, sodium chloride 5 g, sodium citrate 5 g 을 가한 후 acetone 150 mL (100+50 mL)로 2회에 걸쳐 진 탕⋅추출하였다.…”

“…Analytical conditions (Lim et al, 2016a(Lim et al, , 2016b(Lim et al, , 2016c(Lim et al, , 2017a(Lim et al, , 2017b (Fig. 2).…”

Investigation of Residual Organochlorine Pesticides in Apple and Pear Orchard Soil and Fruit

“…배는 가식율 80-82%, 수분함량 80-85%, 탄수화물 7-10%, 단백질 0.3% 내외, 지방질 0.2%, 섬유소 0.5%, 무기질은 나트륨, 칼슘, 마그네슘 함량이 75% 를 차지하고 있어 강한 알칼리 식품으로 건강 지향적인 식품 으로 알려져 있고, 클로로제닉산 및 아르부틴 등의 폴리페놀 화합물을 함유하고 있어 항당뇨, 항고혈압, 혈중 지질 억제 작용, 간세포 활성 촉진 및 해독 촉진 작용, 면역 증진, 천식 억제 등 다양한 생리활성을 보유하고 있는 것으로 보고되고 있다 (Choi et al, 2004;An et al, 2004;Hwang and Pyo, 2005;Yun et al, 2006;Zhang et al, 2008;Lee et al, 2012;Min et al, 2013). (Lim et al, 2016a(Lim et al, , 2016b(Lim et al, , 2016c(Lim et al, , 2017a.…”