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Kim M, Cho M, Kim SH, Lee Y, Jo MR, Moon YS, Im MH. Monitoring and Risk Assessment of Pesticide Residues in Fishery Products Using GC-MS/MS in South Korea. TOXICS 2024; 12:299. [PMID: 38668522 PMCID: PMC11053634 DOI: 10.3390/toxics12040299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/29/2024]
Abstract
The aim of this study was to assess the risk of pesticide contamination in aquaculture and its impact on fishery products. We conducted an assessment of 300 samples collected from nine regions in South Korea, including various types of seafood, such as freshwater fish, marine fish, crustaceans, and shellfish. Pesticide residues in seafood were analyzed using GC-MS/MS after sample preparation using a modified QuEChERS method, revealing the presence of eight pesticides (4,4'-DDE, 4,4'-DDT, boscalid, isoprothiolane, oxadiazon, pendimethalin, thifluzamide, and trifluralin) across seven fish species (carp, far eastern catfish, crucian carp, eel, Chinese muddy loach, mirror carp, and sea bass). Following the grouping of DDE with DDT, a risk assessment of fishery products was conducted. After the estimated daily intake (EDI) of fish was calculated and compared with the acceptable daily intake (ADI), the health risk index (HI, %ADI) of the detected pesticides was evaluated and found to be 1.07% or lower. The results suggest that the consumption of domestically farmed fish products in South Korea poses minimal health risks associated with pesticide residues.
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Affiliation(s)
- Myungheon Kim
- Department of Food Engineering, Daegu University, Gyeongsan 38453, Republic of Korea
| | - Mihyun Cho
- Department of Food Engineering, Daegu University, Gyeongsan 38453, Republic of Korea
| | - Seo-Hong Kim
- Department of Environmental and Biological Chemistry, Chungbuk National University, Gyeong 28644, Republic of Korea
| | - Yoonmi Lee
- Food Safety and Processing Research Division, National Institute Fisheries Science, Busan 460083, Republic of Korea
| | - Mi-Ra Jo
- Food Safety and Processing Research Division, National Institute Fisheries Science, Busan 460083, Republic of Korea
| | - Yong-Sun Moon
- Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Moo-Hyeog Im
- Department of Food Engineering, Daegu University, Gyeongsan 38453, Republic of Korea
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Kim Y, Hong S, Lee J, Yoon SJ, An Y, Kim MS, Jeong HD, Khim JS. Spatial distribution and source identification of traditional and emerging persistent toxic substances in the offshore sediment of South Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 789:147996. [PMID: 34062466 DOI: 10.1016/j.scitotenv.2021.147996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/09/2021] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
While the coastal pollution of persistent toxic substances (PTSs) has been widely documented, information on offshore environments remains limited. Here, we investigated the spatial distribution and sources of PTSs in the offshore sediments (n = 34) of South Korea. Sediment samples collected from the Yellow Sea (n = 18), the South Sea (n = 10), and the East Sea (n = 6), in 2017-18 were analyzed for a total of 71 PTSs. Target compounds include 31 PCBs, 15 PAHs, 9 emerging PAHs (e-PAHs), 10 styrene oligomers (SOs), and 6 alkylphenols (APs). Sedimentary PCBs showed relatively low concentrations with no significant difference across the three seas (0.16-6.9 ng g-1 normalized organic carbon, OC). Low-chlorinated PCBs (tri- and tetra Cl-CBs) were predominant (mean: 77%), primarily indicating atmospheric inputs. PAHs widely accumulated in the three seas with low to moderate level (22-250 ng g-1 OC), and dominated by high molecular weight PAHs (4-6 rings). PMF analysis revealed coast-specific PAHs sources; i.e., originated from mainly coke production (77%) in the Yellow Sea, vehicle emissions (68%) in the South Sea, and fossil fuel combustion (49%) in the East Sea. SOs showed significant contamination than other PTSs, with elevated concentrations in the Yellow Sea (mean: 350 ng g-1 OC). APs showed a similar regional distribution to SOs, but concentrations were much lower (mean: 17 ng g-1 OC). SOs and APs seemed to be introduced from rivers and estuaries on the west coast of Korea, where industrial and municipal activities are concentrated, then might be transported to offshore through tide or currents. Overall, the novel data presented for various PTSs in offshore Korean sediments warrant the necessity of a long-term monitoring effort and urgent management practice to protect marine ecosystem.
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Affiliation(s)
- Youngnam Kim
- Department of Marine Environmental Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Seongjin Hong
- Department of Marine Environmental Science, Chungnam National University, Daejeon 34134, Republic of Korea.
| | - Junghyun Lee
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea
| | - Seo Joon Yoon
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea
| | - Yoonyoung An
- Department of Marine Environmental Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Min-Seob Kim
- Fundamental Environment Research Department, Environmental Measurement & Analysis Center, National Institute of Environmental Research, Incheon 22689, Republic of Korea
| | - Hee-Dong Jeong
- East Sea Fisheries Research Institute, National Institute of Fisheries Science, Gangneung 25435, Republic of Korea
| | - Jong Seong Khim
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea.
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Hwang SM, Lee HU, Kim JB, Chung MS. Validation of analytical methods for organochlorine pesticide detection in shellfish and cephalopods by GC-MS/MS. Food Sci Biotechnol 2020; 29:1053-1062. [PMID: 32670659 DOI: 10.1007/s10068-020-00748-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/01/2020] [Accepted: 03/03/2020] [Indexed: 11/26/2022] Open
Abstract
This study validated the analysis of organochlorine pesticides (OCPs) in shellfish and cephalopods using a gas chromatograph equipped with a mass spectrometry (GC-MS/MS), and monitored residual pesticide levels. The QuEChERS method was used to analyze OCPs and was validated by checking the linearity, limit of detection (LOD), limit of quantitation (LOQ), accuracy, and precision. Octopus minor and Venerupis philippinarum, were purchased from four cities in the South Korean peninsula. The LOD values were 0.10-0.80 ng/g in shellfish and 0.21-0.77 ng/g in cephalopods, while the LOQ values were 0.31-2.41 ng/g in shellfish and 0.63-2.33 ng/g in cephalopods. Accuracy ranged from 83.5 to 117.4% and 79.8 to 118.4%, and precision ranged from 0.3 to 27.5% and 1.2 to 27.9%, in shellfish and cephalopods, respectively, conforming to the Codex Alimentarius Commission guidelines. Although residual OCP levels were below detection limits, the QuEChERS method may be effective for analyzing the OCPs in shellfish and cephalopods.
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Affiliation(s)
- Sung-Min Hwang
- Department of Food Science and Technology, Chung-Ang University, 4726 Seodongdae-ro, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546 Korea
| | - Haeng-Un Lee
- Department of Food Science and Technology, Chung-Ang University, 4726 Seodongdae-ro, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546 Korea
| | - Jung-Bok Kim
- Korea Advanced Food Research Institute, 50 Botdeul-ro, Uiwang-si, Gyeonggi-do 16001 Korea
| | - Myung-Sub Chung
- Department of Food Science and Technology, Chung-Ang University, 4726 Seodongdae-ro, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546 Korea
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Kim CS, Lee HD, Ihm YB, Son KA. Temporal Patterns of Pesticide Residues in the Keum, Mangyung and Dongjin Rivers in 2002. ACTA ACUST UNITED AC 2017. [DOI: 10.5338/kjea.2017.36.4.38] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Meng J, Hong S, Wang T, Li Q, Yoon SJ, Lu Y, Giesy JP, Khim JS. Traditional and new POPs in environments along the Bohai and Yellow Seas: An overview of China and South Korea. CHEMOSPHERE 2017; 169:503-515. [PMID: 27894056 DOI: 10.1016/j.chemosphere.2016.11.108] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 11/18/2016] [Accepted: 11/20/2016] [Indexed: 06/06/2023]
Abstract
Rapid economic growth during the past two decades in the region surrounding the Bohai and Yellow Seas has resulted in severe pollution. Large amounts of monitoring data on persistent organic pollutants (POPs) in various environmental media have been accumulated, which allows us to conduct a fairly comprehensive assessment of the region around the Bohai and Yellow Seas to elucidate spatial patterns of pollution on a regional scale. This review summarized distributions of traditional and new POPs, including organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), hexabromocyclododecanes (HBCDs), and perfluoroalkyl substances (PFASs), in various environmental media. In general, due to their physico-chemical properties (poor solubility in water), OCPs and PCBs were mainly detected in sediments, PBDEs and HBCDs were mainly detected in sediments and soils. PFASs, which have greater solubility, were mainly detected in the hydrosphere. For conventional POPs, such as OCPs and PCBs, Bohai Bay and Haihe River in China, Gyeonggi Bay and Lake Sihwa in South Korea were found to be most polluted areas. While for new POPs, such as PBDEs, HBCDs and PFASs, some areas were heavily polluted due to local production and applications. Estuarine and coastal areas of the Bohai Sea were more severely contaminated by POPs than coastal regions of the Yellow Sea. Overall, the present review will guide identification of key areas for strengthening risk assessment of POPs and management practices.
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Affiliation(s)
- Jing Meng
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Seongjin Hong
- Department of Ocean Environmental Sciences, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Tieyu Wang
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Qifeng Li
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Seo Joon Yoon
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea
| | - Yonglong Lu
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - John P Giesy
- Department of Veterinary Biomedical Sciences & Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada; Department of Zoology & Center for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
| | - Jong Seong Khim
- School of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea.
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Khim JS, Hong S. Assessment of trace pollutants in Korean coastal sediments using the triad approach: a review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 470-471:1450-1462. [PMID: 23972325 DOI: 10.1016/j.scitotenv.2013.07.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 07/12/2013] [Accepted: 07/15/2013] [Indexed: 06/02/2023]
Abstract
Here we summarize and review the previous efforts on sediment assessment together with major scientific findings that were conducted in the Korean coastal waters since late 1990s. Towards integrated triad analysis, sediment data (>1700 samples) reported from the Korean coasts were collected and reviewed of which data collectively includes three components of chemical, toxicological, and ecological measures. First, the chemistry data suggested widespread and historic distribution of sedimentary pollutants along the Korean coasts. Spatial distributions suggested that their sources were independent of each other, while some localized areas (highlighted for Lake Shihwa, Masan Bay, and Ulsan Bay) and zones with extremely high pressures of certain pollutants were also identified. The mass balance analyses and/or direct correlations linking triad components reflected a general agreement between endpoints. The benthic community responses given by species occurrence and diversity also reflected the type and degree of sediment contamination, however, could not be fully explained by the known target chemicals. Overall, the triad assessment of trace pollutants in Korean coastal sediments seemed to be useful and much powerful when all the components are fully addressed.
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Affiliation(s)
- Jong Seong Khim
- School of Earth and Environmental Sciences & Research, Institute of Oceanography, Seoul National University, Seoul 151-742, Republic of Korea.
| | - Seongjin Hong
- School of Earth and Environmental Sciences & Research, Institute of Oceanography, Seoul National University, Seoul 151-742, Republic of Korea
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