• Title/Summary/Keyword: Marine products-marine

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Contents of mercury, lead, cadmium, and arsenic in dried marine products (건포류의 수은, 납, 카드뮴 및 비소 함유량)

  • Ok, Hwang Young;Kim, Su Un;Ryu, Seung Hee;Ham, Hee Jin;Park, Gun Yong;Park, Seog Gee
    • Analytical Science and Technology
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    • v.22 no.4
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    • pp.336-344
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    • 2009
  • This survey was carried out to estimate the contents of heavy metals (Hg, Pb, Cd, and As) in 10 kinds of dried marine products (n=189) which are closely related to food resources. The contents of heavy metals were estimated by inductively coupled plasma spectrometer (ICP) and mercury analyzer. The values of heavy metals in dried marine products were as follows (Mean${\pm}$SD (range), mg/kg). The average contents of heavy metals in the dried marine products were Hg $0.058{\pm}0.069$ (0.002~0.502) mg/kg, Pb $0.178{\pm}0.598$ (ND~5.130) mg/kg, Cd $0.306{\pm}0.610$ (ND~6.802) mg/kg, As $5.282{\pm}6.158$ (ND~71.760) mg/kg. The range of heavy metal contents in dried marine products are low level, except of lead contents (n=2). In the comparison of heavy metal content by anchovy size, it was shown that cadmium, mercury and arsenic were meaningfully different. The contents of heavy metals by the shape of shrimp and Alaska Pollack were shown that the result of each group was meaningless. In the comparison imported production with domestic production, in the case of common squid, cadmium and arsenic were meaningfully different. The weekly average intakes of Hg, Pb and Cd from dried marine products takes about 1.17~11.52% of PTWI (Provisional Tolerable Weekly Intakes) that FAO/WHO Joint Food Additive and Contaminants Committee has set to evaluate their safeties.

A Study on the Difference of Perceptions of Seafood and Processed Seafood Products: The Case of University Students in Busan and Gyeongsang Area (수산물 음식과 수산물 가공식품에 대한 인식 조사: 부산·경상도 지역 대학생을 중심으로)

  • Son, Seon-Ik;Choi, Bong-Im
    • Culinary science and hospitality research
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    • v.23 no.7
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    • pp.167-175
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    • 2017
  • The purpose of this study is to understand the perception of fishery products and processed food of marine products in college students through empirical analysis. 446 questionnaires were used in the analysis. As a result of the empirical analysis, the frequency of consumption of aquatic food was 2~3 times a week, the place of intake was good for taste of home and aquatic foods, respectively. Purchase motifs of processed fish products are easy, the frequency of ingestion is 3 to 4 times a week, the criteria for selection were always consumed, and the taste was considered to be high when purchased. The perception of nutrition and necessity of consumption of aquatic foods was high and radioactivity was low. 133 male students (57.8%) and 98 female students (45.4%) were aware of the aquatic traceability system. The college students generally has a high preference for the taste of marine products and high frequency of consumption, and they recognized that nutritional excellence and necessity were positive. The marketing strategy should be developed by developing proper product considering the age level and sex of consumers. The limitation is that they are college students in Busan and Gyeongsang provinces and coastal areas.

A Study on the Total Mercury (Hg) Monitoring and Methylmercury (MeHg) Analysis method and Exposure Assessment of Methylmercury (MeHg) in Marine Products (수산물 중 총수은 모니터링 및 메틸수은 분석법 고찰)

  • Kwak, Shin-Hye;Kim, Ki-Cheol;Kim, Kyung-A;Kang, Suk-Ho;Kwon, Hye-Jung;Cho, Yun-Sik;Kang, Kyung-Ja;Lee, Pil-Suk;Cho, Wook-Hyun;Moh, Ara;Park, Yong-Bae;Yoon, Mi-Hye
    • Journal of Food Hygiene and Safety
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    • v.33 no.3
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    • pp.168-175
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    • 2018
  • 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 $50^{\circ}C$, 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 $0.0006{\sim}0.3801{\mu}g/kg$. 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 $75.25(ND{\sim}516.93){\mu}g/kg$ and $142.07(100.14{\sim}244.55){\mu}g/kg$, respectively. The total analytical time of proposed method was reduced by more than 25% compared with the current food code method.