Vitamin E Vitamin C and Carotenoids as Nutritional Antioxidants
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Oxidative Stress
- endogenous reactive oxygen species
; damage DNA, protein, carbohydrates, lipids --> 병유발
e.g., hydroxyl radical, superoxide anion radical, hydrogen peroxide, 1O2, hypochlorite, nitric oxide
radical, peroxynitrite
- a major site of production for reactive oxygen species
; respiratory chain --> superoxide radical anion 등이 생성됨
(antimicrobial defence, inflamation, photobiological reaction 등에 의해서도 생성됨)
- `Oxidative stress`는 prooxidant-antioxidant balance를 깸
; normal aerobic steady-state가 깨지면서 product에 damage !
- antioxidant 섭취가 불충분하면 oxidative stress 생길수도 있따
- 주요 prooxidant의 half life
hydroxyl radicals ; nanoseconds
peroxyl radicals, nitric oxide, peroxynitrite ; seconds
- oxydative stress 극복 기작
① prevention
② interception ; antioxidant agent 농도가 높아야 작동
③ repair
Oxidative Stress- endogenous reactive oxygen species ; damage DNA, protein... , Vitamin E Vitamin C and Carotenoids as Nutritional Antioxidants기타레포트 ,
; damage DNA, protein...
Oxidative Stress
,기타,레포트
- endogenous reactive oxygen species
순서
레포트/기타
Download : Vitamin E Vitamin C and Carotenoids as Nutritional Antioxidants.hwp( 31 )
설명
Vitamin E Vitamin C and Carotenoids as Nutritional Antioxidants
다.
