Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Safety Evaluation of Hazardous Metals Migrated in Tumbler Samples

유통 텀블러 제품에서 용출되는 유해금속 안전성평가

  • Jang, Mi-Kyung (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Son, Mi-Hui (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Park, Sung-Hee (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Cho, Yun-Sik (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Ku, Eun-Jung (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Chae, Sun-Young (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Jeon, Jong-Sup (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Lee, Myung-Jin (Food Additives Analysis Team, Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment)
  • 장미경 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 손미희 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 박성희 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 조윤식 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 구은정 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 채선영 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 전종섭 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀) ;
  • 이명진 (경기도보건환경연구원 식품의약품연구부 첨가물분석팀)
  • Received : 2022.02.17
  • Accepted : 2022.06.14
  • Published : 2022.06.30
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Abstract

This study evaluated the migrant and residue tests of lead (Pb), cadmium (Cd), nickel (Ni), arsenic (As), and antimony (Sb) in 70 tumbler samples. The migration levels of hazardous metals in all the samples were within the migration limits outlined in the Korean standards and specifications for utensils, containers, and packages. Moreover, in all the tumbler samples, only Ni was detected in 0.5% citric acid solution of a food stimulant. The maximum level of Ni 0.0144 mg/L was 14.4% of the migrant specification (not more than 0.1 mg/L), which was relatively safe. The 0.5% citric acid solution was eluted at 4℃, 70℃, and 100℃ for 30 min, and only Ni was detected while testing for migration levels according to the temperature variations; all temperature conditions conformed to the standards. The level of Ni migration increased significantly with increasing migration temperature. Regarding the residue level outside the paint-coated tumbler samples, the Pb level was found to range from N.D. to 20638.1323 mg/kg. The risk of Ni was further estimated to be at a safe level of 0.00 to 0.01% compared to the %TDI as a result.

경기도내 유통 중인 텀블러 제품 70건을 대상으로 중금속 5종(납, 카드뮴, 니켈, 비소 및 안티몬)에 대한 용출 및 잔류시험을 조사하였다. 70건 모두 식품용 기구 및 용기·포장 공전 용출규격 기준에 적합하였고, 침출용액 0.5% 구연산용액에서는 모든 제품에서 니켈만 검출되었다. 니켈 최대 용출량 0.0144 mg/L은 용출규격(0.1 mg/L 이하) 기준·규격 대비 14.4% 수준으로 비교적 안전한 수준이었다. 0.5% 구연산용액을 사용하여 4℃, 70℃ 그리고 100℃, 30분간 용출하여 온도 조건 변화에 따른 용출량 시험 결과 니켈만 검출되었으며, 모두 기준 이내로 적합하였다. 용출 온도가 증가함에 따라 니켈 용출량이 증가하였다. 페인트 코팅 제품 외부 잔류량 시험 결과 납이 N.D.-20638.1323 mg/kg로 나타났다. 니켈의 안전성평가 결과 %TDI 대비 0.00-0.01%로 안전한 수준으로 평가되었다. 유통 텀블러 제품의 용출 및 잔류시험 조사 결과, 텀블러 내부에서는 유해물질이 안전하게 관리되고 있는 것으로 확인되었다. 반면, 식품과 직접 접촉하지 않는 용기 외부의 페인트 코팅에 대한 규제가 필요함을 확인하였다.

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