منابع مشابه
Beta-carotene, carotenoids, and disease prevention in humans.
A growing body of literature exists regarding the effects of beta-carotene and other carotenoids on chronic diseases in humans. This article reviews and critically evaluates this literature and identifies areas for further research. This review is restricted to studies in humans, with a major emphasis on the most recent literature in the area of carotenoids and selected cancers. Effects of caro...
متن کاملBeta-carotene and lung cancer*
Does beta-carotene increase, rather than decrease, human lung cancer rates? A large body of observational epidemiologic study has demonstrated that individuals who eat more fruits and vegetables rich in carotenoids and/or who have higher levels of serum betacarotene have a lower risk of cancer, particularly lung cancer. This inverse relationship has been particularly strong in lung cancer patie...
متن کاملBeta-carotene: the controversy continues.
The three beta-carotene intervention trials: the Beta Carotene and Retinol Efficacy Trial (CARET), Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study (ATBC), and Physician's Health Study (PHS) have all pointed to a lack of effect of synthetic beta-carotene in decreasing cardiovascular disease or cancer risk in well-nourished populations. The potential contribution of beta-carotene suppleme...
متن کاملBeta-carotene accumulation in serum and skin13
The accumulation off3-carotene in serum and skin was evaluated in human volunteers. A single S I -mg dose of 3-carotene given in the absence of dietary fat resulted in no detectable change in serum /3-carotene. The same dose administered with 200 g fat increased serum /3-carotene 2.5-fold at 40 h. Similarly, administering a-carotene daily in three divided doses with meals raised the serum /3-ca...
متن کاملPostintervention effect of alpha tocopherol and beta carotene on different strokes: a 6-year follow-up of the Alpha Tocopherol, Beta Carotene Cancer Prevention Study.
BACKGROUND AND PURPOSE In the Alpha Tocopherol, Beta Carotene Cancer Prevention Study, alpha tocopherol supplementation decreased risk of cerebral infarction by 14% (95% CI, -25% to -1%), and beta carotene increased risk of intracerebral hemorrhage by 62% (95% CI, 10% to 132%). We report here the 6-year postintervention effects of alpha tocopherol and beta carotene supplementation on stroke and...
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ژورنال
عنوان ژورنال: Journal of Nutritional Science and Vitaminology
سال: 1992
ISSN: 0301-4800,1881-7742
DOI: 10.3177/jnsv.38.special_560