Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Anti-inflammatory, Anti-bacterial and Anti-oxidant Activities for Subcritical Extract of Chamaecyparis obtusa

편백 잎 아임계 수 추출물의 항염, 항균 및 항산화 활성

  • Received : 2024.02.23
  • Accepted : 2024.05.02
  • Published : 2024.06.30
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Abstract

In this study, the anti-inflammatory, anti-bacterial and anti-oxidative activities of subcritical water extract from Chamaecyparis obtusa leaves was compared with hot water extract. The yield of subcritical water extract (165℃ and 180℃, 80 bar) was 39.4~48.5%, higher than 31.5% of hot water extract. In the anti-inflammatory tests using lipopolysaccaride (LPS)-induced RAW264.7 macrophages, the subcritical water extract concentration-dependently inhibited production of nitric oxide (NO) without causing cell toxicity. Upon the anti-bacterial studies using Cutibacterium acnes and Staphylococcus epidermidis, subcritical water extract showed the stronger activity than hot water extract. In addition, DPPH and ABTS cation radical scavenging activity experiments showed that the radical scavenging activity of subcritical water extract was similar to that of hot water extract. Moreover, in the study of cell protection effect using HaCaT keratinocytes damaged by hydrogen peroxide (H2O2), the subcritical water extract (165℃, 80 bar) indicated protective effect against oxidative stress. These results suggested that the subcritical water extract of C. obtusa leaves as natural ingredients could be used as anti-inflammatory, anti-bacterial and anti-oxidative ingredients in cosmetic formulations.

본 연구에서는 편백나무(Chamaecyparis obtusa) 잎 아임계 수 추출물의 항염, 항균 및 항산화 효능을 열수 추출물과 비교 분석하였다. 아임계 수 추출물 중 165℃ 이상의 조건으로 추출한 아임계 수 추출물의 수율이 39.4~48.5%로 열수 추출물(31.5%) 보다 높게 나타났다. Lipopolysaccaride (LPS)로 자극된 RAW 264.7 대식세포를 이용한 nitric oxide (NO) 생성 억제 활성 실험 결과, 아임계 수 추출물이 세포 독성 없이 농도 의존적으로 NO의 생성을 저해시키는 효과가 우수함을 확인하였다. 또한 Cutibacterium acnes 및 Staphylococcus epidermidis를 이용한 항균 활성 실험 결과, 아임계 수 추출물이 열수 추출물보다 효능이 우수하게 나타났다. DPPH 및 ABTS 양이온 라디칼 소거 활성 실험 결과, 아임계 수 추출물의 라디칼 소거능이 열수 추출물과 유사하게 나타났으며, 아임계 수 추출물(165℃, 80 bar)은 과산화수소(H2O2)로 유도된 세포 손상에 대한 세포보호 효과를 보였다. 이상의 연구 결과를 바탕으로 편백나무 잎 아임계 수추출물은 항염, 항균 및 항산화 효과를 갖는 천연 화장품 소재로써 활용 가능할 것이라 사료된다.

Keywords

Acknowledgement

본 연구는 중소벤처기업부와 중소기업기술정보진흥원의 "지역특화산업육성+(R&D, S3270326)" 사업의 지원을 받아 수행된 연구결과임.

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