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Physiological Activities of Hot Water Extract from Pine Bud (Pinus densiflora)

솔순 열수 추출물의 생리활성

  • 조은경 (신라대학교 바이오식품소재학과) ;
  • 정보림 (신라대학교 식품영양학과) ;
  • 최영주 (신라대학교 식품영양학과)
  • Received : 2010.07.27
  • Accepted : 2010.10.01
  • Published : 2010.11.30

Abstract

This research was performed to determine the antioxidant activity, nitrite scavenging activity, and its inhibitory activity on angiotensin converting enzyme (ACE), xanthine oxidase, $\alpha$-glucosidase, and elastase of hot water extract from pine bud (WPB). Antioxidant activity of WPB was measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity and superoxide dismutase (SOD)-like activity. DPPH radical scavenging activity and SOD-like activity of WPB were remarkably increased in a dose-dependent manner, and were about 71.4 and 85.4% at 2 mg/mL, respectively. The xanthine oxidase and ACE inhibitory activities were about 70.9 and 51.9% at 2 mg/mL of WPB, respectively. Nitrite scavenging activity of WPB was about 59.1, 53.8, and 39.5% on pH 1.2, 3.0, and 6.0 at 2 mg/mL, respectively. The WPB also showed elastase and $\alpha$-glucosidase inhibitory effects. These results revealed that pine bud have strong antioxidant activity and positive effects on the inhibition of xanthine oxidase, ACE, and elastase.

본 연구에서는 솔순의 기능성을 규명하기 위해 열수 추출물을 대상으로 여러 생리활성과 아질산염 소거작용에 대하여 분석하였다. 우선, 솔순의 항산화 활성을 측정하기 위하여 DPPH, SOD 유사활성, XO 저해활성을 측정하였다. 그결과 DPPH법을 통해 측정한 솔순의 항산화력은 2 mg/mL에서 71.4%의 radical 소거능을 나타내었으며, SOD 유사활성은 2 mg/mL 농도에서 85.4%로 비교적 높은 활성을 나타내었다. Xanthine oxidase 저해활성 측정 실험에서는 2 mg/mL에서 70.9%의 높은 저해활성을 나타내었다. 솔순 열수추출물의 아질산염 소거능 측정 실험에서는 pH 1.2와 3.0에서 53~59%, pH 6.0에서 40%의 소거능을 나타내었다. 항고 혈압 측정실험에서는 시판되는 항고혈압제 captopril과 비교분석 하였는데, 0.1 mg/mL에서 93.0%였고 같은 농도의 솔순 열수 추출물은 14.6%의 낮은 저해율을 나타냈다. 하지만, 1 mg/mL에서 44.7%의 저해율을 나타내어 솔순 열수 추출물의 비교적 양호한 저해활성을 보였다. 혈당강하능의 지표로 $\alpha$-glucosidase 활성 억제능을 분석한 결과 솔순 열수 추출물 3 mg/mL의 농도에서 43.3%의 저해활성을 나타냈으며, 주름 예방 효과의 지표로 elastase 활성 억제능을 측정한 결과 10 mg/mL의 농도에서 59.6%의 저해능을 보였다. 이상의 결과들은 솔순 열수 추출물의 우수한 생리활성을 증명하고 있는 것으로 천연의 건강 및 미용 소재로써 그 활용도가 높을 것으로 판단된다.

Keywords

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