• Title/Summary/Keyword: Seafood consumption

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Relationship between Heavy Metal Concentrations in the Soil with the Blood and Urine of Residents around Abandoned Metal Mines (폐금속 광산지역 토양 중 중금속 농도와 주민의 혈액 및 요중 중금속 농도와의 관련성)

  • Jang, Bong-Ki;Park, Sang-Il;Kim, Nam-Soo;Jung, Kyung-Sick;Lee, Byung-Kook;Lee, Jong-Wha
    • Journal of Environmental Health Sciences
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    • v.37 no.5
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    • pp.348-357
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    • 2011
  • Objectives: This study was conducted in order to examine the relationship between heavy metal concentrations in the soil and the level of heavy metals in the blood or urine of 216 local residents living near abandoned metal mines. Methods: Residents around abandoned metal mines were interviewed about their dietary habits, including seafood consumption, medical history, cigarette smoking, and drug history. Metal concentrations in the soil were determined by atomic absorption spectrophotometer (AA-7000, Shimadzu, Japan). Lead (Pb) and cadmium (Cd) contents in the blood or urine were analyzed by GF-AAS (AA-6800, Shimadzu). Mercury (Hg) contents in the blood were determined by means of a mercury analyzer (SP-3DS, NIC). Arsenic (As) content in the soil and urine were measured by a HG-AAS (hydride vapor generation-atomic absorption spectrophotometer). Results: The heavy metal concentrations in the soil showed a log normal distribution and the geometric means of the four villages were 8.61 mg/kg for Pb, 0.19 mg/kg for Cd, 1.81 mg/kg for As and 0.035 mg/kg for Hg. The heavy metal levels of the 216 local residents showed a regular distribution for Pb, Cd, Hg in the blood and As in the urine. The arithmetic means were 3.37 ${\mu}g$/dl for Pb, 3.07 ${\mu}g$/l for Cd and 2.32 ${\mu}g$/l for Hg, 10.41 ${\mu}g$/l for As, respectively. Conclusions: As a result of multi-variate analysis for the affecting factors on the bodily heavy metal concentrations, gender and concentration in the soil (each, p<0.01) for blood lead levels; gender and smoking status (each, p<0.01) for blood cadmium levels; gender (p<0.01) for urine arsenic levels; gender, age and concentration in the soil (p<0.01) for blood mercury levels were shown to be the affecting factors.

A Study on Preference to Korean Spicy Fish Soups by Questionnaire Methods in Busan and Development of a Standardized Recipe (부산지역 생선횟집을 중심으로 생선 매운탕 소비실태 및 최적 조리법 확립)

  • Kim, Jung-Sun;Cho, Young-Je;Lee, Nahm-Gull
    • Journal of Fisheries and Marine Sciences Education
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    • v.18 no.2
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    • pp.150-163
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    • 2006
  • A study on sliced raw fish consumption was conducted on 300 citizens of Busan (89 men and 192 women), attending high school and university, housekeepers and employees. A self-administered questionnaire was used to record the results. The results were as follows: 93 percent of the respondents appeared to like or not be reluctant to eating Maeun-Tang. Most of the panelists had eaten at a seafood restaurant. The taste of Maeun-Tang varied differently by the spicy fish soup recipe. 56 percent of the respondents appeared to want this dish to have a fiery taste. Therefore, 89 percent of the respondents appeared to desire Maun-Tang to have a standardized recipe. The qualities of four kinds of stock made of water (A recipe), anchovy added with sea tangle (B recipe), fish bone (C recipe) and vegetable (D recipe) were investigated by using sensory evaluation and instrumental analysis for amino acids and nucleotides. The C recipe score was 80.9${\pm}$15.9 and D, B recipe was $75.7{\pm}17.1$, $75.4{\pm}17.2$, respectively. The A recipe score was $61.8{\pm}22.8$. The Degree of smooth taste were D recipe >A recipe >B recipe>C recipe. The Degree of spicy taste were C recipe >B recipe >D recipe>A recipe. In sensory evaluation, the C recipe obtained the highest score for overall preference. However, no difference of extractive nitrogen content, nucleotide and amino acid contest were observed in the C recipe after cook of Maeun-Tang.

The Relationship between Dental Amalgam Fillings and Urinary Mercury Concentration among Elementary School Children in a Metropolitan Area (대도시지역 일부 초등학생의 치과용 아말감 충전치아와 요중 수은농도의 관련성)

  • Jung, Yun-Sook;Sakong, Joon;An, Seo-Young;Lee, Young-Eun;Song, Keun-Bae;Choi, Youn-Hee
    • Journal of dental hygiene science
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    • v.12 no.3
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    • pp.253-258
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    • 2012
  • Dental amalgam is an alloy composed of a mixture of approximately equal parts of elemental liquid mercury and an alloy powder. Amalgam has been the most popular and effective restorative material used in dentistry. Despite the long history and popularity of dental amalgam as a restorative material, there have been periodic concerns regarding the potential adverse health effects arising from exposure to mercury in amalgam. Since children are more at risk for mercury toxicity, we aimed to assess the association between dental amalgam filling and urinary mercury concentration in children. 581 of elementary school children in grades 1st4th were conveniently recruited from two schools located in Daegu city, Korea. To obtain dental caries experience states, oral examination were conducted using the full term for DFS index, number of amalgam filling surfaces and the type of filling materials. A questionnaire was used to collect information about general characteristics and the frequencies of tooth brushing, gum chewing and fish/seafood consumption. The statistical analysis was done using the SPSS 18.0 program. The mean urinary mercury concentration in children having more surfaces was highest. As a results Urinary mercury concentration of children who have 79 teeth of amalgam filling and more than 10 is higher than without amalgam filling. The number of amalgam filling surface is closely related with urinary mercury concentration.

Preparation and Characteristics of Snack Using Conger Eel Frame (붕장어 Frame을 이용한 스낵의 제조 및 특성)

  • Kim, Hye-Suk;Kang, Kyung-Tae;Han, Byung-Wook;Kim, Eun-Jung;Heu, Min-Soo;Kim, Jin-Soo
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.35 no.10
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    • pp.1467-1474
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    • 2006
  • Fish-frames, which are left after obtaining fillets or muscle during fish processing, consists of useful food components, such as muscle, collagen, calcium, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). This study was carried out to prepare snack using conger eel frame (SF) for human consumption and also to elucidate food component characterization of the snack. The results of volatile basic nitrogen suggested that conger eel frame was a suitable material for preparing snack. Based on the results of sensory evaluation and costs, starch syrup was an optimal sweetener for preparing snack using conger eel frame. The starch syrup-treated SF appeared safe because the moisture content and peroxide value were below the safety limits described in the guideline of Korea Food and Drug Administration (KFDA). Starch syrup-treated SF was similar in the pattern of fatty acid composition to soybean oil, whereas EPA and DHA were detected in SF. The total content of amino acid in starch syrup-treated SF was 23.9% based on 100 g of raw material. The maj or amino acids were aspartic acid, glutamic acid, glycine and alanine. The total contents of calcium and phosphorus in starch syrup-treated SF were 4.9% and 2.8%, respectively. The Ca/P of starch syrup-treated SF was 1.9, which is a good ratio for absorption of calcium. The SF made with starch syrup was superior in EPA and DHA compositions, total amino acid, calcium and phosphorus contents to commercial snack using eel frame.

Monitoring of Commercial Cephalopod Products Sold on the South Korea Market using DNA Barcode Information (DNA 바코드를 이용한 국내 유통 두족류 제품의 원재료 모니터링 연구)

  • Yu, Yeon-Cheol;Hong, Yewon;Kim, Jung Ju;Kim, Hyung Soo;Kang, Tae Sun
    • Journal of Food Hygiene and Safety
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    • v.34 no.5
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    • pp.502-507
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    • 2019
  • Cephalopods are one of the most important fishery resources in the world because of their desirable taste and nutritional value. In south Korea, one of the countries in which a large amount of seafood is consumed, cephalopods (e.g., octopus, squid, and cuttlefish) have an annual consumption rate of over 400,000 metric tons. In this study, octopus and squid products (n=28) sold on the market were monitored by analyzing sequences of DNA barcode markers (cytochrome c oxidase subunit I and 16S ribosomal RNA genes). For species identification, the NCBI BLAST database was screened with the sequences and analyzed as a query. In this BLAST search, twelve squid products showed 99-100% sequence identity to Dosidicus gigas (n=3) and Todarodes pacificus (n=9). In the case of the other 16 products that were declared using octopus as raw materials on the labels, six products were identified as Cistopus taiwanicus (n=1), Amphioctopus marginatus (n=1), Scaeurgus unicirrhus (n=1), and Dosidicus gigas (n=3). Monitoring results indicated that a significant percentage (37.5%) of mislabeling was present in octopus products sold on the South Korean market.

Dietary Quality Comparison of the School and Home Lunches Consumed by Chinese School-Age Children and Adolescents: Analysis of the 2011 China Health and Nutrition Survey (중국 학령기 아동과 청소년의 학교급식과 가정식 점심식사의 질 비교: 2011년 '중국건강영양조사' 자료 분석)

  • Zhang, Chengyu;Jin, Suhua;Yoon, Jihyun;Kim, Meeyoung
    • Korean Journal of Community Nutrition
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    • v.25 no.6
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    • pp.474-484
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    • 2020
  • Objectives: The number of schools offering school lunches has increased in China. This study examined the dietary quality of the lunches consumed by Chinese school-age children and adolescents, with a focus on comparing school lunches with home lunches. Methods: The first weekday 24-hour dietary recall data of 6~17-year-old students (n=1,084) from the 2011 China Health and Nutrition Survey were analyzed. The subjects were divided into the school lunch group and the home lunch group, and the dietary quality of lunches was compared between the two groups among 6~11-year-old students (n=634; 177 in the school lunch group and 457 in the home lunch group) and 12~17-year-old students (n=450; 144 in the school lunch group and 306 in the home lunch group), respectively. Frequently consumed foods, amount of food group intake, food group intake pattern, Dietary Diversity Score (DDS), and Dietary Variety Score (DVS) were examined. Results: The most frequently consumed foods in both lunch groups were rice and pork. An excessive intake of meat and insufficient intake of seafood were noted in both lunch groups. The school lunch group showed a lower level of vegetable consumption than the home lunch group (P=0.017 in 6~11-year-old students, P=0.003 in 12~17-year-old students). Although more students ate meals with a better dietary pattern in the school lunch group than the home lunch group, there were no significant differences in DDS and DVS between the two groups. Conclusions: Overall, the dietary quality of lunches was not superior in the school lunch group compared to the home lunch group. This suggests that much room remain for improving dietary quality of school lunches in China.

The Application of Genome Research to Development of Aquaculture (양식산업에 발전을 위한 유전체 분석 기술 적용)

  • Lee, Seung Jae;Kim, Jinmu;Choi, Eunkyung;Jo, Euna;Cho, Minjoo;Park, Hyun
    • Journal of Marine Life Science
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    • v.6 no.2
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    • pp.47-57
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    • 2021
  • In the fishery industry, global aquaculture production has stagnated due to overfishing of aquatic products, restrictions between countries, and climate change. The aquaculture suggests the possibility of a blue revolution that can be expanded in a new way. The aquaculture industry now accounts for more than half of the fishery products from the sea as a raw material for seafood for human consumption. Various latest biological research methods are being applied for the development of a sustainable aquaculture industry. Genomics has made significant progress in recent years. Since the genome sequence of Atlantic cod was sequenced in 2011, the genomes of more species have been sequenced. The genome information is providing a more robust and productive knowledge base for the aquaculture industry, including breeding and breeding of superior traits, improving disease resistance quality, and optimizing aquaculture feed and feed methods. This review looked at the status of genome analysis technology and the current status of genome research of aquaculture species. The development of genome research technology and massive genomic information is important in solving the challenges of the aquaculture industry and will help sustainable fisheries and aquaculture.

Automation of Regression Analysis for Predicting Flatfish Production (광어 생산량 예측을 위한 회귀분석 자동화 시스템 구축)

  • Ahn, Jinhyun;Kang, Jungwoon;Kim, Mincheol;Park, So-Young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2021.10a
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    • pp.128-130
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    • 2021
  • This study aims to implement a Regression Analysis system for predicting the appropriate production of flatfish. Due to Korea's signing of FTAs with countries around the world and accelerating market opening, Korean flatfish farming businesses are experiencing many difficulties due to the specificity and uncertainty of the environment. In addition, there is a need for a solution to problems such as sluggish consumption and price drop due to the recent surge in imported seafood such as salmon and yellowtail and changes in people's dietary habits. in this study, Using the python module, xlwings, it was used to obtain for the production amount of flatfish and to predict the amount of flatfish to be produced later. was used to predict the amount of flatfish to be produced in the future. Therefore, based on the analysis results of this prediction of flatfish production, the flatfish aquaculture industry will be able to come up with a plan to achieve an appropriate production volume and control supply and demand, which will reduce unnecessary economic loss and promote new value creation based on data. In addition, through the data approach attempted in this study, various analysis techniques such as artificial neural networks and multiple regression analysis can be used in future research in various fields, which will become the foundation of basic data that can effectively analyze and utilize big data in various industries.

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Okadaic Acid Group Toxins: Toxicity, Exposure Routes, and Global Safety Management (오카다익산 군 독소: 독성, 분석법 및 관리 동향)

  • Kyoungah Lee;Namhyun Kim;Jang Kyun Kim;Youn-Jung Kim;Jung Suk Lee;Young-Seok Han
    • Journal of Food Hygiene and Safety
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    • v.38 no.6
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    • pp.409-419
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    • 2023
  • Okadaic acid (OA) group toxins, including OA and its analogs, such as dinophysis toxins (DTXs), have been reported to cause diarrheal shellfish poisoning (DSP). These toxins are primarily produced by dinoflagellates and are accumulated in bivalves. Recently, the presence of Dinophysis sp., a causative alga of DSP, has been reported along the coasts of Korea, posing a potential risk of contamination to domestic seafood and exerting an impact on both the production and consumption of marine products. Accordingly, the European Food Safety Authority (EFSA) and the World Health Organization (WHO) have established standards for the permissible levels of OA group toxins in marine products for safety management. Additionally, in line with international initiatives, the domestic inclusion and regulation of DTX2 among the substances falling under the purview of management outlined by the 2022 diarrheal shellfish toxin standard have been implemented. In this study, we reviewed the physicochemical properties of OA group toxins, their various exposure routes (such as acute toxicity, genotoxicity, reproductive and developmental toxicity), and the relative toxicity factors associated with these toxins. We also performed a comparative assessment of the methods employed for toxin analysis across different countries. Furthermore, we aimed to conduct a broad review of human exposure cases and assess the international guideline for risk management of OA group toxins.

Evaluation of dietary quality using elderly nutrition quotient depending on the consumption of healthy functional foods (건강기능식품 섭취여부에 따른 노인영양지수 (NQ-E)를 활용한 식사의 질 평가)

  • Jieun Lee;Hyo-Jeong Hwang;Hye-Young Kim;Jung-Sug Lee
    • Journal of Nutrition and Health
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    • v.56 no.5
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    • pp.483-495
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    • 2023
  • Purpose: The purpose of this study was to determine whether the dietary quality of food consumed by the elderly is influenced by the consumption of healthy functional foods using Nutrition Quotients for the Elderly (NQ-E). Methods: The study subjects were 250 adults aged ≥ 65 living in Seoul or Gyeonggi-do. Those who had consumed healthy functional food for more than 2 weeks within the previous year were classified as healthy functional food consumers, and the quality of their meals was evaluated using the NQ-E. Statistical analysis was performed using SAS 9.4, and sex and age-associated differences were adjusted before comparing differences based on healthy functional food intake. Results: The average age of the study subjects was 70.8. The scores for each area and the Nutrition Quotient (NQ) score were as follows: balance 43.3 points, moderation 56.7 points, practice 65.7 points, and NQ 52.5 points. When comparing differences according to healthy functional food intake status, healthy functional food consumers had significantly higher balance and NQ scores than non-consumers. When considering each NQ item score, healthy functional food consumers had significantly higher scores than non-consumers for fruit, fish and seafood, eggs, nuts, and whole grain rice, and a higher score for effort to maintain a healthy diet. Conclusion: Dietary quality as assessed by Nutrition Quotients for the Elderly was better for healthy functional food consumers than non-consumers.