The use of microwave-assisted extraction and an acid-base clean-up process to determine the amount of methylmercury (MeHg) in marine products was suggested in order to improve the complicated sample preparation process. The optimal conditions for microwave-assisted extraction was developed by using a 10% NaCl solution as an extraction solution, setting the extraction temperature at 50℃, and holding for 15 minutes to extract the MeHg in marine products. A NaOH solution was selected as a clean-up substitute instead of L-cysteine solution. Overall, 670 samples of marine products were analyzed for total mercury (Hg). Detection levels were in the range of 0.0006~0.3801 μg/kg. MeHg was analyzed and compared using the current food code and the proposed method for 49 samples which contained above 0.1 mg/kg of Hg. Detection ranges of methylmercury followed by the Korea Food Code and the proposed method were 75.25 (ND~516.93) μg/kg and 142.07 (100.14~244.55) μg/kg, respectively. The total analytical time of proposed method was reduced by more than 25% compared with the current food code method.

ABSTRACT
 Materials and Methods
  실험재료
  시약 및 표준용액
  총수은 분석 및 기기조건
  수산물 섭취를 통한 총수은 안전성 평가
  메틸수은 분석법 고찰
 Results and Discussion
  수산물 중 총수은 모니터링 및 안전성 평가
  전처리 방법 개선에 따른 메틸수은 분석법 고찰
 국문요약
 References

• 곽신혜(경기도보건환경연구원 안산농수산물검사소) | Shin-Hye Kwak (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center) Correspondence to
• 김기철(경기도보건환경연구원 안산농수산물검사소) | Ki-Cheol Kim (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 김경아(경기도보건환경연구원 안산농수산물검사소) | Kyung-A Kim (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 강석호(경기도보건환경연구원 안산농수산물검사소) | Suk-Ho Kang (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 권혜정(경기도보건환경연구원 안산농수산물검사소) | Hye-Jung Kwon (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 조윤식(경기도보건환경연구원 안산농수산물검사소) | Yun-Sik Cho (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 강경자(경기도보건환경연구원 안산농수산물검사소) | Kyung-Ja Kang (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 이필석(경기도보건환경연구원 안산농수산물검사소) | Pil-Suk Lee (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 조욱현(경기도보건환경연구원 안산농수산물검사소) | Wook-Hyun Cho (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 모아라(경기도보건환경연구원 안산농수산물검사소) | Ara Moh (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 박용배(경기도보건환경연구원 안산농수산물검사소) | Yong-Bae Park (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)
• 윤미혜(경기도보건환경연구원 안산농수산물검사소) | Mi-Hye Yoon (GyeongGi-Do Institute of Public Health and Environment Ansan Agro-fishery Products Inspection Center)