Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Chemical Constituents in Polygonum multiflorum Thunberg Root Based on Various Dry Methods

건조방법에 따른 적하수오(Polygonum multiflorum Thunberg)의 이화학적 성분

  • Oh, Junseok (Dongbu Eastern Herbal Medicine Agricultural Association Corporation) ;
  • Hong, Jae-Heoi (Dongbu Eastern Herbal Medicine Agricultural Association Corporation) ;
  • Park, Tae-Young (Dongbu Eastern Herbal Medicine Agricultural Association Corporation) ;
  • Yun, Kyeong-Won (Department of Oriental Medicine Resources, Sunchon Nat'l University) ;
  • Kang, Kyeong-Yun (Suncheon Research Center for Natural Medicines) ;
  • Jin, Seong-Woo (Jangheung Research Institute for Mushroom Industry) ;
  • Kim, Kyung-Je (Jangheung Research Institute for Mushroom Industry) ;
  • Ban, Seung-Eon (Jangheung Research Institute for Mushroom Industry) ;
  • Im, Seung-bin (Jangheung Research Institute for Mushroom Industry) ;
  • Koh, Young-Woo (Jangheung Research Institute for Mushroom Industry) ;
  • Seo, Kyoung-Sun (Jangheung Research Institute for Mushroom Industry)
  • 오준석 (동부생약영농조합법인) ;
  • 홍재희 (동부생약영농조합법인) ;
  • 박태영 (동부생약영농조합법인) ;
  • 윤경원 (순천대학교 한약자원개발학과) ;
  • 강경윤 (순천천연물의약소재개발연구센터) ;
  • 진성우 ((재)장흥군버섯산업연구원) ;
  • 김경제 ((재)장흥군버섯산업연구원) ;
  • 반승언 ((재)장흥군버섯산업연구원) ;
  • 임승빈 ((재)장흥군버섯산업연구원) ;
  • 고영우 ((재)장흥군버섯산업연구원) ;
  • 서경순 ((재)장흥군버섯산업연구원)
  • Received : 2018.01.11
  • Accepted : 2018.05.31
  • Published : 2018.08.31
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Abstract

This study was performed to analysis of chemical constituent in Polygonum multiflorum root (PMR) by different dry methods (hot-air dry, shade dry, and freeze dry). The results are summarized as followings; major free sugar were detected fructose, glucose, and sucrose in dried PMR based on various dry methods. The highest content of free sugars was found in freeze dried PMR. The four organic acids were detected in dried PMR by HPLC analysis. The content of oxalic acid in shade dried PMR was higher than the dried PMR by different dry methods. The content of total amino acid and essential amino acids were high in the orders of freeze drying > shade drying > hot-air drying. The potassium and magnesium levels of freeze dried PMR was significantly higher than the other drying method of PMR. Whereas the calcium and sodium levels were higher in hot-air dried PMR. The major fatty acids were determined the linoleic acid in PMR by different dry methods.

본 연구는 생산과 수요가 늘고 있는 마디풀과 하수오의 최적 건조방법 구명을 통한 식품소재화 및 산업화를 목적으로 수행하였다. 하수오의 최적 건조방법을 구명하기 위해 열풍건조, 음건 및 동결건조 적하수오의 일반성분, 유리당, 아미노산 및 지방산 등을 비교분석하였다. 건물량을 기준으로 건조방법에 따른 적하수오의 일반성분 함량을 비교 하였을 때, 수분함량은 동결건조 적하수오가 유의적으로 낮게 나타났다. 유리당 분석에서 총 유리당 함량은 동결건조 적하수오에서 높게 나타났으며, fructose, glucose 및 sucrose의 함량 역시 동결건조 적하수오, 음건 적하수오, 열풍건조 적하수오 순으로 높게 나타났다. 유기산은 총 5종이 검출되었으며, oxalic acid가 가장 높게 나타났다. 적하수오의 주요 구성 아미노산은 arginine, glutamic acid, proline, serine, lysine 등이며, 총아미노산 함량, 필수아미노산 함량은 모두 동결건조 적하수오에서 높게 나타났다. 총 구성 아미노산 중 필수아미노산 함량 비율은 음건 적하수오에서 높게 나타났다. 유리 아미노산은 세가지 건조방법 모두에서 arginine과 proline이 함량이 높게 나타났으며, 총아미노산 함량, 필수아미노산 함량 및 총 구성 아미노산 중 필수아미노산 함량 비율은 모두 동결건조 적하수가 가장 높게 나타났다. 적하수오의 무기성분은 총4종이 검출되었으며, potassium이 가장 많았으며, sodium이 가장 낮게 나타났다. 적하수오에서 지방산은 포화지방산인 palmitic acid 1종과 불포화지방산인 oleic acid와 linoleic acid 2종이 검출되었다. 이상의 결과로 볼 때 하수오의 유용성분 손실이 가장 적은 건조방법은 동결건조로 생각되며, 산업적인 측면에서 비용을 고려한 건조방법은 건조온도를 조절한 열품건조 방법의 고안이 필요할 것으로 생각된다.

Keywords

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