Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Determination and Validation of Synthetic Antioxidants in Processed Foods Distributed in Korea

  • Park, Hyeon-Ju (Department of Food Science and Technology, Seoul National University of Science and Technology) ;
  • Seo, Eunbin (Department of Food Science and Technology, Seoul National University of Science and Technology) ;
  • Park, Jin-Wook (Department of Food Science and Technology, Seoul National University of Science and Technology) ;
  • Yun, Choong-In (Research Institute of Food and Biotechnology, Seoul National University of Science and Technology) ;
  • Kim, Young-Jun (Department of Food Science and Technology, Seoul National University of Science and Technology)
  • Received : 2022.08.01
  • Accepted : 2022.09.02
  • Published : 2022.10.30
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Abstract

Antioxidants are food additives that extend the shelf life of food products by preventing lipid rancidity caused by active oxygen. They can either be naturally-derived or manufactured synthetically via chemical synthesis. In this study, method validation of five synthetic antioxidants, namely butylated hydroxyanisole, butylated hydroxytoluene, tertiary butylhydroquinone, propyl gallate, and disodium ethylenediaminetetraacetic acid, was performed using a high performance liquid chromatography-ultraviolet visible detector, and the method applicability was evaluated by analyzing foods containing antioxidants. The coefficient of determination (R2) average was 0.9997, while the limit of detection and limit of quantification were 0.02-0.53 and 0.07-1.61 mg/kg, respectively. The intra and inter-day accuracies and precisions were 83.2±0.7%-98.7±2.1% and 0.1%-5.7% RSD, respectively. Inter-laboratory validation for accuracy and precision was conducted using the Food Analysis Performance Assessment Scheme quality control material. The results satisfied the guidelines presented by the AOAC International. In addition, the expanded uncertainty was less than 16%, as recommended by CODEX. Consequently, to enhance public health safety, the results of this study can be used as basis data for evaluating the intake of synthetic antioxidants and assessing their risks in Korea.

산화방지제는 활성 산소에 의한 지질 산패를 방지하여 식품의 보존성을 증대하는 식품첨가물이다. 본 연구에서는 합성 산화방지제 5종 (Butylated hydroxyanisole (BHA), Butylated hydroxytoluene (BHT), Tertiary butylhydroquinone (TBHQ), Propyl gallate (PG), Disodium ethylenediaminetetraacetic acid(EDTA·2 Na))을 이용하여 HPLC-UVD 분석법에 대한 유효성 검증 및 합성 산화방지제가 표시된 실제 식품 속 함량 분석을 진행하였다. 직선성(R2)은 평균 0.9997, 검출한계(Limit of detection, LOD)와 정량한계(Limit of quantification, LOQ)는 각각 0.02-0.53과 0.07-1.61 mg/kg으로 산출하였다. 일내 및 일간 정확성과 정밀성 산출을 위하여 합성 산화방지제 4종은 콩기름과 과자, EDTA는 통조림과 마요네스를 이용하였다. 정확성과 정밀성 결과, 일내와 일간 각각 83.2±0.7-97.8±4.4와 86.2±3.3-98.3±2.1 및 0.1-6.4와 0.7-5.7 %RSD로 산출되었다. 또한 FAPAS QC material을 이용하여 실험실간 정확성 및 정밀성 검증을 진행하였으며 이는 AOAC가 제시한 가이드라인에 적합함을 확인하였다. 측정불확도 역시 CODEX에서 제시한 범위인 16% 이하인 것을 확인하였다. 따라서 본 연구를 통하여 국민 건강의 안전을 제고하기 위한 국내 산화방지제의 섭취량 및 위해성 평가를 위한 기초자료로 활용될 수 있을 것으로 사료된다.

Keywords

Acknowledgement

This research was supported by a grant from Ministry of Food and Drug Safety in 2019.

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