Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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Organic Residues Analysis of Oil Bottle of Goryeo Dynasty Excavated from the Soejeoul Site, Geumneung-dong, Chungju

충주 금릉동 쇠저울유적 출토 고려시대 유병의 유기물 분석

  • Yun, Eun Young (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Kim, Suyeon (Conservation Science Division, National Research Institute of Cultural Heritage)
  • 윤은영 (국립문화재연구소 보존과학연구실) ;
  • 김수연 (국립문화재연구소 보존과학연구실)
  • Received : 2021.10.01
  • Accepted : 2021.11.02
  • Published : 2021.12.20
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Abstract

Organic residues are substances derived from diverse natural sources. Recent scientific analysis of organic residues has yielded important information in restoring the lifestyles of ancient peoples. In this study, the organic material contained within the celadon oil bottle of the Goryeo dynasty, excavated from the Soejoul site in Geumneung-dong, Chungju, was analyzed using Fourier-transform infrared spectroscopy (FT-IR) and gas chromatograph-mass spectrometer (GC-MS). The results showed that the organic materials in the bottle were plant-derived oils. In particular, polyunsaturated fatty acids and phytosterols were detected using GC-MS analysis. Sesamin components were also identified. Sesamin, which is a characteristic component of sesame seeds, is a lignan and an antioxidant. As the organic residues in the oil bottle were derived from sesame seeds, it is presumed that sesame oil was stored in the bottle.

유기잔존물(organic residues)은 동물이나 식물에서 유래된 생체분자(biomolecule)의 일부분으로 최근 과학적 분석을 통해 옛사람들의 생활모습 복원에 중요한 정보를 제공하고 있다. 본 연구에서는 충주 금릉동 쇠저울유적에서 출토된 고려시대 청자 유병의 내부 유기물을 규명하고자 과학적 분석을 수행하였다. 적외선 분광기(FT-IR)와 기체 크로마토그래프-질량 분석기(GC-MS)를 이용하여 분석한 결과 유병 내 유기물은 식물에서 유래된 기름(oil)으로 확인되었다. 특히 GC-MS 분석 결과에서 다가 불포화 지방산과 식물성 스테롤이 검출되었고 참깨 종자에서 확인되는 세사민(sesamin) 성분이 검출되었다. 세사민은 리그난(lignan) 계열의 항산화물질로 참깨의 특성 성분이다. 따라서 고려시대 유병 내부에 담겨 있던 유기물은 참깨와 관련된 물질로, 참깨유가 보관되었던 것으로 추정되었다.

Keywords

Acknowledgement

본 논문은 국립문화재연구소(RNICH-2105-A53F-1)의 지원을 받아 수행되었으며, (재)중앙문화재연구원이 발간한 『충주 동부외곽 순환도로(금릉공원) 개설구간 내 충주금릉동(忠州金陵洞) 쇠저울유적(遺蹟)』에 수록된 저자의 「충주 금릉동 쇠저울유적 출토 유기물 분석결과」 약보고서를 바탕으로 재구성하였다. 연구의 기반이 되는 시료 관련 자료를 협조해주신 (재)중앙문화재연구원에 감사드린다.

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