Sentences with phrase «dietary vitamin a.»
Not exact matches
Rice is the major dietary staple for almost half of humanity, but white rice grains lack vitamin A. Research scientists Ingo Potrykus and Peter Beyer and their teams developed a rice variety whose grains accumulate β - carotene.
http://science.sciencemag.org/
Office of Dietary Supplements — Vitamin A.» NIH Office of Dietary Supplements, U.S. Department of Health and Human Services, ods.od.nih.gov / factsheets / VitaminA - HealthProfessional /
Acai berries are low in sugar, but contain excellent amounts of iron, calcium and vitamin A. Acai berries also contain healthy levels of dietary fiber keep the system functioning smoothly.
21Other foods like meat, butter, eggs and milk only contribute a small portion (less than 20 percent) of dietary preformed vitamin A. 21 We would agree that liver makes a unique contribution to the diet — that of easily satisfying vitamin A needs.
As Masterjohn explains, «The utilization of protein requires vitamin A. Several animal studies have shown that liver reserves of vitamin A are depleted by a high dietary intake of protein, while vitamin A increases in non-liver tissues.
In addition, adequate intake of dietary fat and zinc is necessary for the absorption and utilization of vitamin A.
For example, studies in rats, turkeys, and chickens have demonstrated that vitamin A both decreases the toxicity of and increases the dietary need for vitamin D, while vitamin D both reduces the toxicity of and increases the dietary need for vitamin A. 6
It's also known that hyalouronic acid levels increase in the presence of retinoic acid, a topical form of vitamin A. Ensure that your dietary vitamin A levels are sufficient.
It is also a great source of carotenoids; a pre-curser to vitamin A. Dietary fiber, potassium, and vitamin B1 round out this nutritional powerhouse.
9:18 a.m. On the other side of the world, similar issues are simmering around «golden rice» — a yellow variant of this keystone grain containing a gene that adds beta - carotene, the main dietary source of vitamin A. Read or listen to Dan Charles's recent NPR report to get caught up.