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마늘과 계란에서의 염소산염, 과염소산염 분석법 확립 및 검증
안희연 ( Hui-yeon Ahn ),이정훈 ( Jung-hoon Lee ),송민호 ( Min-ho Song ),유지우 ( Ji-woo Yu ),박건우 ( Geon-woo Park ),신지원 ( Ji-won Shin ),이지호 ( Ji-ho Lee ),금영수 ( Young-soo Keum ) 한국환경농학회 2023 한국환경농학회 학술대회집 Vol.2023 No.0
This study aims to assess the safety of chlorates and perchlorates in food. With the increasing consumption of chlorine-based disinfectants, investigations on the contamination of chlorates and perchlorates have become inevitable. Monitoring of chlorate and perchlorate levels, which can be generated during the production and manufacturing processes of food, was conducted to evaluate potential hazards. Continuous monitoring of chlorates and perchlorates is being carried out in other countries, but it is still limited in domestic settings. Therefore, standardization of detection methods for chlorates and perchlorates is necessary, along with the establishment of an integrated monitoring system throughout the production, distribution process, and consumption stages. In order to develop analytical methods for chlorates and perchlorates, two representative samples (garlic, eggs) were selected. LC-MS/MS was used with the Quppe (Quick Polar Pesticides) method to analyze Chlorate and Perchlorate which are polar substances. Among them, the instrumental conditions and extraction methods were established for garlic and eggs, and recovery tests were conducted at levels of 0.01 mg/kg and 0.1 mg/kg. Garlic is a food that is both a representative vegetable for roots and tuber vegetables and a detected food in EFSA (European Food Safe Authority) Chlorate monitoring. Eggs, on the other hand, are representative foods for the protein group as well as for semi-solid foods. To remove the proteins in galic and eggs, additional centrifugation step was employed. Finally, analytical method for the determination of chlorate and perchlorate was established and validated in representative samples of garlic and eggs.
고등어 및 해조류의 염소산염 및 과염소산염 정량 분석 방법 조사
이정훈 ( Jung-hoon Lee ),안희연 ( Hui-yeon Ahn ),유지우 ( Ji-woo Yu ),송민호 ( Min-ho Song ),신지원 ( Ji-won Shin ),박건우 ( Geon-woo Park ),금영수 ( Young-soo Keum ),이지호 ( Ji-ho Lee ) 한국환경농학회 2023 한국환경농학회 학술대회집 Vol.2023 No.0
Monitoring food contaminants is important to ensure human health. Consumer’s needs for hygiene have increased and led to a consumption of chlorine-based disinfectants and sanitizers. Chlorate and perchlorate, which can be found in washed food, are considered potential contaminants that may have adverse effects on the human body. Therefore, there is an urgent need for analytical methods to assess the toxicity of chlorate and perchlorate. In this study, we aimed to establish and validate analytical methods for the quantification of chlorate and perchlorate in seaweed (as a representative of marine products) and mackerel (as a representative of fish products) to evaluate their contamination levels. Given the substantial worldwide consumption of seafood, it is crucial to ensure the safety of seafood through proper washing processes. It is anticipated that residues of chlorate and perchlorate may be present during these processes. To solve this concern, seaweed and mackerel were selected as target samples based on domestic food intake patterns. The analytical methods were developed based on the QuPPe method (Quick polar pesticide extraction method developed by Anastassiades) with some modifications to the extraction procedure due to the diverse matrix effects. Additionally, for seaweed, which has low moisture content, a final analysis method with an additional rehydration step was established. Quantitative analysis of chlorates and perchlorates was conducted using HPLC-MS/MS, and the establishment and validation of the analytical methods were performed through recovery test.
이정훈 ( Jung-hoon Lee ),안희연 ( Hui-yeon Ahn ),유지우 ( Ji-wooyu ),송민호 ( Min-ho Song ),신지원 ( Ji-won Shin ),박건우 ( Geon-woo Park ),금영수 ( Young-soo Keum ),이지호 ( Ji-ho Lee ) 한국환경농학회 2023 한국환경농학회 학술대회집 Vol.2023 No.0
Chlorate and perchlorate are byproducts of chlorination, which are used for disinfecting food. These chemicals can potentially remain in food during the washing process. Excessive ingestion of chlorate and perchlorate can lead to thyroid disorders and inhibit iodine absorption, resulting in additional health issues. Therefore, it is crucial to establish an analysis method for chlorate and perchlorate in order to set a foundation for future monitoring of these substances in the distributed food. Spinach, a widely consumed leafy green vegetable, contains various compounds such as flavonoids, carotenoids, vitamins, and pigments. As spinach is distributed in various forms within the country, there is a risk of contamination with chlorate and perchlorate during this process. Hence, we focused on spinach, a representative leafy vegetable, to establish an analysis method for chlorate and perchlorate. HPLC-MS/MS was used for quantitative analysis of chlorate and perchlorate in spinach. To analyze chlorate and perchlorate, we developed an analytical method based on the QuPPe (Quick Polar Pesticide extraction) method, a polar compound analysis technique developed by Anastassiades. During the development of the analysis method, the diverse matrix effects of spinach interrupted accurate analysis. By modifying the QuPPe method specifically for spinach analysis, we established the final analysis method.
국내에서 소비되는 건조식품의 염소산염 및 과염소산염 오염 분석 및 평가: 검사 방법 및 회수율에 관한 연구
박건우 ( Geon-woo Park ),이정훈 ( Jung-hoon Lee ),안희연 ( Hui-yeon Ahn ),송민호 ( Min-ho Song ),유지우 ( Ji-woo Yu ),신지원 ( Ji-won Shin ),금영수 ( Young-soo Keum ),이지호 ( Ji-ho Lee ) 한국환경농학회 2023 한국환경농학회 학술대회집 Vol.2023 No.0
Chlorates and perchlorates are generated during the use of chlorine-based disinfectants or in the manufacturing process of chemical substances. It is known that their consumption can affect the structural and functional brain development of infants and children, as well as the metabolism of adults. The European Union established management standards for chlorates and perchlorates in 2020, thereby raising the need for investigation into the contamination levels in domestically distributed food. This study aims to establish testing methods for assessing the contamination levels of chlorates and perchlorates in various domestically consumed foods. Representative low-moisture foods, namely soybeans (representative legume food) and polished rice (representative grain food), were selected among the agricultural products available in the market. Sample procurement and recovery experiments were conducted. The extraction method was carried out with reference to the QuPPe (Quick Polar Pesticides) method, and the experimental process was modified to compare recovery rates and determine the optimal sample pre-treatment method The quantification analysis was conducted using HPLC-MS/MS, and the mobile phase conditions and column types were modified to optimize the analysis for chlorate and perchlorate.. The recovery rates of the adopted method met the criteria of 70-120% and coefficient of variation below 20%. These results will be utilized for subsequent validation, contamination level investigations, and hazard assessments.
삼겹살 및 우유의 염소산염 및 과염소산염 검출을 위한 분석 기법 개발 및 검증
신지원 ( Ji-won Shin ),이정훈 ( Jung-hoon Lee ),안희연 ( Hui-yeon Ahn ),송민호 ( Min-ho Song ),유지우 ( Ji-woo Yu ),박건우 ( Geon-woo Park ),금영수 ( Young-soo Keum ),이지호 ( Ji-ho Lee ) 한국환경농학회 2023 한국환경농학회 학술대회집 Vol.2023 No.0
According to the European Union's regulatory standards for the management of chlorate and perchlorate (2020), it is necessary to establish test methods for the risk assessment and safety management of chemical substances that can contaminate food in natural or artificial environments. The Investigation is aimed to assess the contamination levels of chlorate and perchlorate in domestically distributed food. Chlorate and perchlorate are by-products that occur in factory manufacturing processes or disinfectants, and they can flow into the food through waste water and sterilized cooking utensils. Potentially these are leading to indirect intake through food consumption. Due to their potential effects on various functions in human body, such as thyroid dysfunction, it is necessary to examine the levels of chlorate and perchlorate in domestically distributed foods. To monitor the contamination levels of chlorate and perchlorate in domestically distributed livestock products, we selected pork belly as a high-fat food and milk as a representative liquid food for representative livestock food item. The extraction and analysis method were estabilshed to measure chlorate and perchlorate contamination level. Based on the QuPPe (Quick Polar Pesticides extraction) method, a extraction process was modified through changing filter and shaking time. To achieve optimal analysis, the column and solvent mixture gradient was changed.