Journal of Plant Biotechnology

  • Volume 50
  • /
  • Pages.200-206
  • /
  • 2023
  • /
  • 1229-2818(pISSN)
  • /
  • 2384-1397(eISSN)
The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Physiological activity of extracts from softwood needles and cones

침엽수 잎과 구과 추출물의 생리활성

  • Sodam Kang (Major in Plant Resource and Environment College of Agriculture and Life Science, Jeju National University) ;
  • Sang Hwi Im (Major in Plant Resource and Environment College of Agriculture and Life Science, Jeju National University) ;
  • Ju-Sung Kim (Major in Plant Resource and Environment College of Agriculture and Life Science, Jeju National University)
  • 강소담 (제주대학교 식물자원환경전공) ;
  • 임상휘 (제주대학교 식물자원환경전공) ;
  • 김주성 (제주대학교 식물자원환경전공)
  • Received : 2023.10.24
  • Accepted : 2023.10.25
  • Published : 2023.11.07
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Abstract

Although softwoods are widely distributed in Korea and used in various industries, studies are limited and comparative research on softwoods has been overlooked. Therefore, in this study, the physiological activity of four species of softwoods found in Korea was quantified. Needles and cones of Pinus densiflora, Chamaecyparis obtusa, Cryptomeria japonica, and Abies koreana were collected, and material was extracted using 70% methanol. We quantified the following physiological traits: total phenol and flavonoid content, antioxidant activity (DPPH, TEAC, FRAP), and inhibitory activity of the enzymes α-glucosidase, elastase, and tyrosinase. Total phenol and flavonoid contents and antioxidant activities were high in Chamaecyparis obtusa and Cryptomeria japonica, and α-glucosidase inhibition activity was highest in the leaves of Chamaecyparis obtusa. Elastase inhibitory activity was high in the leaves and cones of Pinus densiflora and the cones of Abies koreana, and tyrosinase inhibitory activity was highest in the leaves of Pinus densiflora. In Korea, softwoods are planted extensively on roadsides and as windbreaks, and they are highly competitive in supplying raw materials since they are pruned every year. Based on the results of this study, softwoods are considered suitable for use in healthcare products, diabetes products, wrinkles, and whitening cosmetics.

침엽수는 국내에 널리 분포되어 있고 산업계에서 다양한 방법으로 이용하고 있다. 하지만 대부분의 연구는 한정적으로 진행되었으며 침엽수 간의 비교 분석에 대한 연구는 상대적으로 소홀히 다루어져 왔다. 이에 본 연구에서는 국내에 분포하는 침엽수 4종을 선정한 후 생리활성을 측정하여 침엽수 간의 효능을 비교하였다. 실험에 앞서 소나무, 편백나무, 삼나무, 구상나무의 잎과 구과를 채취하였고 70% 메탄올로 추출하였다. 실험은 총 페놀 및 플라보노이드 함량, 항산화 활성(DPPH, TEAC, FRAP), α-glucosidase, elastase, tyrosinase 효소 저해 활성을 진행하였다. 총 페놀 및 플라보노이드 함량, 항산화 활성에서는 편백나무와 삼나무에서 높게 측정되었다. α-Glucosidase 저해활성에서는 편백나무 잎의 활성이 가장 높아 항당뇨 제품으로의 활용성이 높은 것으로 확인되었다. Elastase 저해활성에서는 소나무 잎과 구과, 구상나무구과에서 높게 나타나 주름개선 화장품으로의 이용 가능성을 확인하였고, 미백실험인 tyrosinase 저해활성에서는 소나무 잎에서 활성이 가장 높게 측정되었다. 우리나라는 침엽수를 가로수와 방풍림 조성 등의 목적으로 대량 식재하고 있고, 매년 가지치기 작업을 해주기 때문에 원료 수급에 있어서 경쟁력이 높은 편이다. 그렇기 때문에 본 실험 결과를 기반으로 헬스케어 제품, 당뇨 제품, 주름 및 미백 화장품 등으로 개발하기에 적합할 것으로 판단된다.

Keywords

Acknowledgement

본 논문은 2023학년도 제주대학교 교원성과지원사업에 의하여 연구되었습니다.

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