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베리류 에탄올 추출물의 항산화 활성
Antioxidant Activities of Various Berries Ethanolic Extract 원문보기

韓國藥用作物學會誌 = Korean journal of medicinal crop science, v.23 no.1, 2015년, pp.49 - 56  

이화 ((주)벤스랩 중앙연구소) ,  정종문 (수원대학교 생명과학과)

Abstract AI-Helper 아이콘AI-Helper

Edible berries are rich in anthocyanins and phenolic acids, compounds that possess antioxidant, anti-inflammatory, and other biological activities. Antioxidant and anti-inflammatory activities of five berries including acaiberry (Euterpe oleracea Mart.), Aronia/black chokeberry (Aronia melanocarpa),...

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문제 정의

  • 7)에 베리의 에탄올 추출물을 처리하여 nitric oxide 생성에 대한 저해 활성을 측정하였다. 이들 베리류의 항산화 및 항염증활성의 비교분석을 통하여 생리활성이 강한 베리의 우수성을 제시하고자 하였다.

가설 설정

  • 2) Quercetin equivalent ㎎/g dry weight.
  • 3) Cyanidin-3-glucoside equivalent ㎎/g dry weight.
본문요약 정보가 도움이 되었나요?

질의응답

핵심어 질문 논문에서 추출한 답변
자유라디칼에 의해 유발된 산화적 스트레스는 무엇에 관여하는가? 산화적 스트레스는 방사선 조사, 화학반응, 산화환원반응에 의해 생성된 자유라디칼에 의해 유발되며 세포나 조직에서암, 동맥경화, 당뇨병, 간경변, 단백질 산화, DNA 손상 및 지질의 과산화를 일으키는 주범이다 (Halliwell and Gutteridge, 2003). 자유라디칼에 의해 유발된 산화적 스트레스는 lipopolysaccharide (LPS)로 유도된 염증 반응계에서 reactive oxygen species (ROS)의 조절에 관여 (Park et al., 2010)하는데 식품에 함유되어 있는 비타민C, 토코페롤, 카로티노이드, 페놀화합물, 플라보노이드와 같은 항산화물질들은 자유라디칼에 의한 산화적 손상을 예방할 뿐만 아니라 (Niki et al., 1994), 면역 반응계에서 pro-inflammatory 활성제의 활성을 저해 (Park et al., 2010)하여 인체를 다양한 질병으로부터 보호한다.
총 페놀화합물 함량은 어떻게 측정하였는가? 베리류 총 페놀화합물 함량을 Gutfinger (1981)의 방법을 변형하여 측정하였다. 시료 100 μL에 50% Folin-Ciocalteu’s 시약 100 μL를 가하고 200 μL의 10% 탄산나트륨 (Na 2 CO 3 ) 용액을 첨가하여 혼합하였다. 이 혼합액에 800 μL의 증류수를 가하여 상온에서 25분 동안 반응시킨 후 725 ㎚ 에서 흡광도를 측정하였다. 베리류에 풍부하게 함유되어 있는 페놀산으로 알려져(Taruscio et al., 2004) 있는 클로로겐산 (25, 50, 75, 100, 250, 500 ㎍/mL)을 표준품으로 사용하였으며 총 페놀화 합물의 함량은 ㎎ chlorogenic acid equivalent (CAE)/ g dry weight 으로 나타내었다.
산화적 스트레스는 무엇에 의해 유발되는가? 산화적 스트레스는 방사선 조사, 화학반응, 산화환원반응에 의해 생성된 자유라디칼에 의해 유발되며 세포나 조직에서암, 동맥경화, 당뇨병, 간경변, 단백질 산화, DNA 손상 및 지질의 과산화를 일으키는 주범이다 (Halliwell and Gutteridge, 2003). 자유라디칼에 의해 유발된 산화적 스트레스는 lipopolysaccharide (LPS)로 유도된 염증 반응계에서 reactive oxygen species (ROS)의 조절에 관여 (Park et al.
질의응답 정보가 도움이 되었나요?

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