Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Inhibitory Effects of Maesaengi (Capsosiphon fulvescens) Extracts on Angiotensin Converting Enzyme and α-Glucosidase

매생이 추출물의 angiotensin converting enzyme 및 α-glucosidase 활성 저해 효과

  • Cho, Eun-Kyung (Department of Food and Nutrition, College of Medical Life Sciences, Silla University) ;
  • Yoo, Seul-Ki (Department of Food and Nutrition, College of Medical Life Sciences, Silla University) ;
  • Choi, Young-Ju (Department of Food and Nutrition, College of Medical Life Sciences, Silla University)
  • 조은경 (신라대학교 의생명과학대학 식품영양학과) ;
  • 유슬기 (신라대학교 의생명과학대학 식품영양학과) ;
  • 최영주 (신라대학교 의생명과학대학 식품영양학과)
  • Received : 2011.03.15
  • Accepted : 2011.05.17
  • Published : 2011.06.30
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Abstract

Physiological activities of hot water (MHW) and 80% ethanol (MEH) extracts from Maesaengi (Capsosiphon fulvescens) were investigated in this study. For the evaluation of antioxidant activities for MHW and MEH, 2,2-diphenyl-1-pic-rylhydrazyl (DPPH) radical scavenging activity and superoxide dismutase (SOD)-like activity were measured. DPPH radical scavenging activity and SOD-like activity of MHW, and MEH were increased weekly in a dose-dependent manner, and were about 10.8, 13.8, 62.4, and 27.1% at 10 mg/ml, respectively. The angiotensin converting enzyme (ACE) inhibitory activities of MHW and MEH were about 5.9% and 49.7% at 1 mg/ml, respectively. The ${\alpha}$-glucosidase inhibitory effect of MHW and MEH were about 1.4% and 67.3% at 1 mg/ml, respectively. To determine the influence of MHW and MEH on alcohol metabolizing activity, the generating activities of reduced-nicotinamide adenine dinucleotide (NADH) by alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) were measured. Facilitating rates of ADH activity by MHW and MEH were increased weekly in a dose-dependent manner and ALDH activities were not detected. Elastase inhibitory activities of MHW and MEH were 75.9% and 51.2% at 10 mg/ml, respectively.

해조류 매생이의 기능성을 증명하기 위하여 열수 또는 에탄올 추출하여 여러 가지 생리활성에 대하여 조사하였다. 우선, 매생이 열수와 에탄올 추출물의 항산화능을 조사하기 위하여 DPPH radical 소거능, SOD 유사활성을 측정하였다. 그 결과, 매생이 열수와 에탄올 추출물의 농도가 증가함에도 불구하고 낮은 증가율을 보였는데, 10 mg/ml에서 DPPH radical 소거능은 각각 10.8, 62.4%, SOD 유사활성은 각각 13.8, 27.1%로 나타났다. 항고혈압 활성 측정에서는 1 mg/ml의 매생이 열수와 에탄올 추출물이 각각 5.9, 49.7%의 활성을 보여 비교적 높은 효능이 매생이 에탄올 추출물에서 나타났다. 매생이 열수와 에탄올 추출물의 혈당 강하 효과는 ${\alpha}$-glucosidase 저해능 분석으로 측정하였는데, 1 mg/ml 농도의 매생이 열수와 에탄올 추출물은 각각 1.4, 67.3%로써 비교적 높은 효능을 매생이 에탄올 추출물에서 보였다. 매생이의 숙취해소 효능은 ADH와 ALDH 활성증진에 매생이 열수와 에탄올 추출물이 미치는 영향을 조사함으로써 증명하고자 하였다. 그 결과, 매생이 열수와 에탄올 추출물의 농도가 증가함에도 불구하고 알콜 분해능 증가율이 낮게 나타났으며, 심지어 acetaldehyde 분해능은 관찰되지 않았다. Elastase 억제 효능 분석에서는 매생이 열수와 에탄올 추출물 10 mg/ml에서 각각 75.9, 51.2%로 나타났다.

Keywords

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