Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Comparison of Total and Inorganic Arsenic Contamination in Grain and Processed Grain Foods

곡류 및 곡류 가공식품의 총비소 및 무기비소 오염 비교

  • Eun-Jin, Baek (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Myung-Gil, Kim (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Hyun-Jue, Kim (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Jin-Hee, Sung (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • You-Jin, Lee (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Shin-Hye, Kwak (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Eun-Bin, Lee (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Hye-Jin, Kim (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Won-Joo, Lee (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment) ;
  • Myung-Jin, Lee (Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment)
  • 백은진 (경기도보건환경연구원 식품의약품연구부) ;
  • 김명길 (경기도보건환경연구원 식품의약품연구부) ;
  • 김현주 (경기도보건환경연구원 식품의약품연구부) ;
  • 성진희 (경기도보건환경연구원 식품의약품연구부) ;
  • 이유진 (경기도보건환경연구원 식품의약품연구부) ;
  • 곽신혜 (경기도보건환경연구원 식품의약품연구부) ;
  • 이은빈 (경기도보건환경연구원 식품의약품연구부) ;
  • 김혜진 (경기도보건환경연구원 식품의약품연구부) ;
  • 이원주 (경기도보건환경연구원 식품의약품연구부) ;
  • 이명진 (경기도보건환경연구원 식품의약품연구부)
  • Received : 2022.08.29
  • Accepted : 2022.11.10
  • Published : 2022.12.30
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Abstract

The contamination level of inorganic arsenic, a human carcinogen, was investigated in 87 grains and 66 processed grain foods. Two inorganic arsenic species arsenite (As(III)) and arsenate (As(V)) and four organic arsenic monomethylarsonic acid, dimethylarsinic acid, arsenobetaine, arsenocholine were analyzed using HPLC-ICP/MS with high separation and sensitivity and ICP/MS was used to quantify total arsenic. Inorganic arsenic was detected in all grains. And the total arsenic in grains consists of about 70-85% inorganic arsenic and about 10-20% DMA. The concentration of inorganic arsenic was high in rice and black rice cultivated in paddy soil with irrigated water, while the miscellaneous grain in field was low. Mean concentration of inorganic arsenic in rice germ, brown rice and polished rice was 0.160 mg/kg, 0.135 mg/kg, 0.083 mg/kg, respectively, indicating that rice bran contains more arsenic. In processed grain foods, inorganic arsenic concentration varied according to the kind of ingredients and content, and the detection amount was high in processed food with brown rice and germ. The arsenic content of all samples did not exceed each standard, but the intake frequency is high and it is considered that continuous monitoring is necessary for food safety.

본 연구는 유통 중인 곡류 87건 및 그 가공식품 66건을 대상으로 발암물질인 무기비소의 오염도를 조사하였다. 높은 분리능과 감도를 가진 HPLC-ICP/MS를 이용하여 무기비소 As(III), As(V) 및 유기비소 MMA, DMA, AsB, AsC를 분석했으며, ICP/MS로 총비소를 정량하였다. 모든 곡류에서 무기비소가 검출되었으며, 곡류의 총비소는 약 70-85%의 무기비소와 약 10-20%의 DMA로 구성되었다. 곡류 분석 결과, 담수재배 종인 쌀과 흑미에서 높았고, 밭재배 잡곡은 오염도가 낮았다. 쌀의 평균 무기비소 농도는 쌀눈 0.160 mg/kg, 현미 0.135 mg/kg, 백미 0.083 mg/kg으로 외피에 비소가 많은 것으로 조사되었다. 곡류 가공식품은 원재료의 종류와 함량에 따라 무기비소 농도가 달랐으며, 현미와 쌀눈 가공 제품에서 검출량이 많았다. 모든 시료는 기준규격을 초과하지 않았지만, 섭취 빈도가 높으므로 식품 안전을 위해 지속적인 모니터링이 필요할 것으로 판단된다.

Keywords

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