Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Research Trends of Microplastic in Food via Centrality Analysis Method

중심성 분석을 이용한 식품 미세플라스틱의 최근 연구동향

  • Cho, Sung-Yong (Forces Support Systems Center, Quality Management Bureau, Defense Agency for Technology and Quality (DTaQ)) ;
  • Byun, Ki-sik (Forces Support Systems Center, Quality Management Bureau, Defense Agency for Technology and Quality (DTaQ))
  • 조성용 (국방기술품질원 품질경영본부 전투물자센터) ;
  • 변기식 (국방기술품질원 품질경영본부 전투물자센터)
  • Received : 2020.02.19
  • Accepted : 2020.05.08
  • Published : 2020.05.31
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Abstract

This study examined the research trends of "Microplastic in food" with a scholar databaseusing the centrality analysis method. The data was based on research papers published from 2011 to 2020, sorted by "microplastic" and "food". The centrality analysis methodology(Degree centrality, Closeness centrality, Betweenness centrality) was applied, followed by a keyword-based frequency occurrence analysis. The results suggested that more than 30% of the total keywords were related to "marine" and "pollution". Therefore, research on the effects of microplastic pollution on the ecosystem had mainly been conducted. On the other hand, only 6% of the keywords were related to "toxicity" and "ingestion". Hence,the number of studies on microplastic exposure caused by bioaccumulation or food are still insufficient. These results can be used to provide directions for future research, as well as provide basic data for political decision-making on the environmental hazards of microplastic.

본 연구에서는 식품 미세플라스틱에 대한 연구 동향을 파악하고자 최근 10년 동안 발표된 학술 문헌 데이터베이스를 바탕으로 네트워크 중심성 분석을 수행하였다. 연구에 사용된 데이터는 "미세플라스틱"과 "식품" 카테고리로 추출되는 2011 ~ 2020년 사이의 발표 논문을 대상으로 하였다. 분석 방법은 키워드 기반의 빈도수 출현 분석 및 중심성 분석(연결정도 중심성, 근접 중심성, 매개 중심성)을 적용하였다. 분석결과, 전체 키워드 중 "해양(marine)", "오염(pollution)" 키워드의 중심성 척도가 0.3 이상으로 나타났는데, 이는 발표된 논문의 30 % 이상이 미세플라스틱 오염이 생태계에 미치는 영향에 대한 연구로 현재 주로 연구되는 내용임을 확인할 수 있었다. 반면 "유독성(toxicity)", "섭취(ingestion)" 키워드는 중심성 척도가 0.06으로 단 6 %만이 식별되어 생물축적에 기인한 미세플라스틱 또는 식품 내 존재하는 미세플라스틱의 섭취로 인해 인체에 미치는 유해성 연구는 미흡한 것으로 확인하였다. 이번 연구결과가 식품 중 미세플라스틱의 유해성에 대한 연구의 방향성 예측과 더불어 식품 안전 기반 마련을 위한 정책적 의사결정을 위한 기초자료로써 활용되기를 기대한다.

Keywords

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