1 )exogenous radicals
① Radiation
UV light, x-rays, gamma rays
② peroxides 와 반응하는 Chemical
Ozone and singlet oxygen
③ superoxide를 생성하는 물질
Quinones, nitroaromatics, bipyrimidiulium herbicides
④ Radical을 생성하는 물질
polyhalogenated alkanes, phenols, aminophenols
3) 특징
① 비고리 열린
Coffee
Coffee is reported to be among the most widely consumed beverages in the world.
For many people, coffee is a breakfast staple, providing a boost of energy to start the day.
Coffee is a complex chemical mixture reported to contain more than a thousand different chemicals.
Compounds in coffee may affect human health.
1. High blood pressure
Caffeine can cause a dramati
항 산화 물질의 특징
- free radical과 반응
- 항 산화 활성 물질의 황산화능
측정에 사용
산화억제
사람의 노화 – 세포의 산화
인삼, 녹차, 검정콩, 검정 깨
Polyphenol – 항산화활성 갖는 주된 물질
1) 안정화된 free radical의 특징을 가져서, dimerise가 일어나지 않는다.
2) 반응 후에