합성항산화제와 사망률

소개글

생화학- 합성항산화제와 사망률

목차

Vitamin
Free radical and antioxidants
Vitamin A, C & E
Market scale of Vitamin Supplements
Copenhagen shock (Paper review)
Opinion of Copenhagen shock
Conclusion
References

본문내용

History of vitamins
Vitamin B1 was discovered by
Christian Eijkman in the early 1900s.
Sir Frederik Hopkins identified essential materials to survive.
Vita (생명) + Amine (유기물)
= Vitamine -> Vitamin
Free Radical Formation and damage
[Free unpaired electron]
Generally from oxygen obtaining one or more unpaired electron, forming free radical.
Then affects cells or lipids around it.
In return, those cells or lipids become a free radical which then affect other neighboring cells.
This continues until free radical is stopped.
Caused by air pollution, radiation, cigarette smoke.
Anti-oxidants
An Agent that prevents or inhibits oxidation.
Antioxidants are substances that may protect cells from the damaging effects of oxygen radicals, highly reactive chemicals that play a part in atherosclerosis, some forms of cancer.

참고 자료

Mortality in Randomized Trials of Antioxidant Supplements for Primary and Secondary Prevention : Systematic Review and Meta-analysis / Goran Bjelakovic, MD, DrMedSci / JAMA (The Journal of the American Medical Association)
http://weightoftheevidence.blogspot.com/2007/03/antioxidant-supplements-dangerous.html
http://inventors.about.com/library/inventors/bl_vitamins.htm
http://weekly.chosun.com/site/data/html_dir/2007/05/04/2007050400866.html
http://www.nutraingredients-usa.com/news/ng.asp?id=74582-antioxidants-meta-analysis-mortality