Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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In vitro correlation between anti-inflammatory and anti-oxidant effects of stone and seed of peaches cultivars

복숭아 품종별 핵과 종자의 항염증 및 항산화 효과간의 상관관계

  • Jung, Kyung-Mi (Cheongdo Peach Research Institute, GyeongSangBuk-Do Agricultural Technology Administration) ;
  • Bae, Seung-hwa (Department of Predictive Toxicology, Korea Institute of Toxicology)
  • 정경미 (경상북도 농업기술원 청도복숭아연구소) ;
  • 백승화 (안전성평가연구소 예측독성본부 시스템독성연구센터)
  • Received : 2017.11.20
  • Accepted : 2018.02.09
  • Published : 2018.02.28
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Abstract

Peach seeds contain a large amount of phenolic components and exhibit excellent physiological effects in various diseases. We examined the antioxidant effects of stone and seed of three peach cultivars (Miwhang, MH; Kanoiwa hakuto, KH; and Cheonhong, CH) by 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay, ferric reducing activity of plasma (FRAP) assay, and cupric ion reducing antioxidant capacity (CUPRAC) reduction. The results showed that the stone extracts of CH had higher levels of total phenols and flavonoids than those of the other cultivars do, and the stone extracts of KH and CH have the potential to reduce DPPH, FRAP, and CUPRAC activities. In addition, we found that KH, MH, and CH stone extracts decreased nitric oxide generation in RAW 264.7 and BV2 cells. The total phenol and flavonoid contents had no significant correlation with anti-oxidant activities. On the other hand, the anti-inflammatory activity had a low linear correlation with anti-oxidant activities and total phenol and flavonoid contents. The present results suggest that the correlation between antioxidant and anti-inflammatory effects of stone and seed, and the appropriate combination of the stone and seed extracts could be used as an anti-inflammatory treatment and prevention material, respectively.

본 연구에서는 현재 재배되고 있는 복숭아 품종 중 미황, 가납암백도 및 천홍의 핵과 종자를 이용하여 항산화 및 항염증 활성에 관한 연구를 하였다. 총 phenol 및 flavonoid 함량은 3품종 모두 종자에 비해 핵에서 월등히 높았으며, 품종간에는 천홍의 핵에서 가장 높은 함량을 나타내었다. DPPH radical 소거능과 FRAP 및 CUPRAC에 의한 항산화 활성은 3품종 모두 종자에 비해 핵에서 활성이 높았고, DPPH radical 소거활성은 가납암백도와 천홍, FRAP 활성은 천홍, CUPRAC 활성은 가납암백도에서 유의성 있게 높았다. NO 생성 억제 효과는 RAW 264.7 세포의 경우 핵 추출물에서 가납암백도 74%, 미황 70%, 천홍 58%이며, BV2 세포의 경우 미황 90%, 가납암백도 78%, 천홍 65%로 각각 염증 반응을 감소시켰다. 복숭아 3품종 핵과 종자의 총 phenol 함량과 총 flavonoid 함량은 높은 상관 관계를 나타내었고, 항산화 활성간의 상관성은 모두 유의적인 관계가 확인되었으나, 항염 활성과 항산화 활성, 항염 활성과 총 phenol 및 flavonoid 함량간은 낮은 상관관계를 나타내었다.

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