Journal of Plant Biotechnology

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Antioxidant and anti-inflammatory effects of seed ethanol extracts of Rubus coreanus miquel

복분자 종자 추출물의 항산화 및 항염증 효과

  • Hwang, Jin-Woo (Department of Medical Laboratory Science, College of Health Science, Dankook University) ;
  • Kang, Hyun (Department of Medical Laboratory Science, College of Health Science, Dankook University) ;
  • Lee, Sung-Gyu (Department of Medical Laboratory Science, College of Health Science, Dankook University)
  • 황진우 (단국대학교 보건복지대학 임상병리학과) ;
  • 강현 (단국대학교 보건복지대학 임상병리학과) ;
  • 이성규 (단국대학교 보건복지대학 임상병리학과)
  • Received : 2022.06.27
  • Accepted : 2022.06.28
  • Published : 2022.06.30
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Abstract

This study investigated the antioxidant and anti-inflammatory effects of seed ethanol extracts from Rubus coreanus Miquel (SERC). To investigate the antioxidant activity, total polyphenol and flavonoid content, ABTS and DPPH radical scavenging activity, and reducing power were measured. The total polyphenol and flavonoid contents in seed ethanol extracts of R. coreanus Miq. were 4.09 ㎍ gallic acid equivalents (GAE)/mg and 16.25 ㎍ quercetin equivalents (QE)/mg, respectively. DPPH and ABTS radical scavenging activity showed concentration-dependent scavenging activity, and the RC50 values of SERC were 26.68 ㎍/mL and 39.30 ㎍/mL, respectively. Moreover, the ferric reducing antioxidant power (FRAP) assay was performed to assess the reducing power, and SERC showed 0.61 ± 0.01 mM FeSO4 E/mg. To measure the anti-inflammatory effect, the cytotoxicity and nitric oxide (NO) production inhibitory efficacy in RAW 264.7 cells was confirmed. SERC showed a NO production inhibitory effect at 500 ㎍/mL without cytotoxicity. As a result of verifying the antioxidant and anti-inflammatory activity using SERC, its potential as an antioxidant and anti-inflammatory material was confirmed.

본 연구는 복분자 종자 에탄올 추출물의 항산화 및 항염증 활성 검증하였다. 항산화 활성을 알아보기 위하여 총 폴리페놀 및 플라보노이드 함량, ABTS 및 DPPH 라디칼 소거능과 환원력을 측정하였다. 복분자 종자 에탄올 추출물의 총 폴리페놀 및 플라보노이드 함량은 각각 4.09 ㎍ GAE/mg와 16.25 ㎍ QE/mg이었다. DPPH와 ABTS 라디칼 소거능은 농도 의존적 소거능을 보였고, 복분자 종자 에탄올 추출물의 RC50 값은 각각 26.68, 39.30 ㎍/mL이였다. 게다가 환원력을 평가하기 위해 수행된 FRAP 분석에서 복분자 종자 추출물은 0.61 ± 0.01 mM FeSO4 E/mg의 효능을 보여주었다. 항염증 효과를 측정하기 위해 RAW 264.7 세포에서 세포독성과 산화질소(NO) 생성 억제 효능을 확인하였다. 확인 결과 500 ㎍/mL의 복분자 종자 추출물에서 세포 독성 없이 산화질소 생성 억제 효능을 확인할 수 있었다. 복분자 종자 추출물을 사용한 항산화 및 항염증 활성을 확인한 결과 항산화 및 항염증 물질로서의 가능성을 확인할 수 있었다.

Keywords

Acknowledgement

이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No. 2021R1F1A1063617).

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