... D.; and Sporn, M.B. 1981. Can dietary beta-carotene materially reduce human cancer rates? Nature 290(5803): ... test to monitor the effect of vitamin A, beta-carotene and canthaxanthin on the buccal mucosa of betel ...

... grams daily), 150,000 International Units (I.U.) beta-carotene daily and 20 grams daily of AL-721, ... low magnesium levels, 31 percent were deficient in beta-carotene, 50 per- cent had low choline levels and ...

... doses of antioxidants — ^vitamins C and E and beta-carotene — and zinc on the incidence and progression of ... to determine whether antioxidants (vitamin C, E, and beta-carotene) and zinc can prevent the development or retard ...

... to edible fats which contain substantial amounts of beta-carotene or vitamin A, destruction of which may be ... is added, while the coloring of margarine with beta- carotene will enhance its vitamin A activity. ii) Enhancement ...

... died without it. The disappearance of alpha and beta carotene from the blood plasma of the deprived subjects ...

... was a placebo- controlled trial of aspirin and beta carotene in the primary prevention of cardiovascular disease and ...

... the lack of protective substances like retinol and beta-carotene. Confounding is suggested by findings that the inverse ...

... level and the intake of vitamin E and beta carotene. To increase the probability of detecting an effect ...

... green and yellow vegetables is the content of beta-carotene in spinach, carrots, beet greens and other colored ...

... diet. cigarette smoking. and alcohol consumption to plasma beta- carotene and alpha-tocopherol levels. American Journal of Epidemiology ...