12.07.2015 Views

Food and nutrition.pdf

Food and nutrition.pdf

Food and nutrition.pdf

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Nutrients 63Vitamin 8 5(Pantothenic Acid)Vitamin Bs is known in other forms - Calcium Pantothenate <strong>and</strong>PanthenoL The RDA for adults is 7 milligrams.It is necessary for the utilization of other nutrients <strong>and</strong> maintainingnormal growth <strong>and</strong> development of the nervous system, as well as forthe metabolism of fat <strong>and</strong> sugars.The best natural sources are fish, whole grains, wheat germ, greenvegetables <strong>and</strong> brewers yeast.There are few known toxic effects, but very large doses have beenknown to produce lack of co-ordination in movement <strong>and</strong> impairment ofsensation. It is destroyed by heat, caffeine <strong>and</strong> alcohoLVitamin 8 6(Pyridoxine)B6 has three metabolic forms pyridoxine, pyridoxal <strong>and</strong>pyridoxamine. The RDA for adults is 2.0 milligrams.It is essential in amino acid metabolism, is required for the absorptionof B12 <strong>and</strong> for the production of antibodies <strong>and</strong> red blood cells.The best natural sources are bananas, brewer's yeast, wheat germ,green <strong>and</strong> red peppers, nuts, molasses <strong>and</strong> eggs.Intake should be increased with diets high in protein. Daily doses ofover 500 mg should be avoided. Doses over 2 g can lead to neurologicaldisorders. <strong>Food</strong> processing techniques, canning <strong>and</strong> alcohol can depletevitamin B 6•Vitamin 8 '2(Cyancobalimin, Cobalamin)B12 contains mineral elements - cobalt. The RDA for adults is 2.0micrograms.Cobalamins are necessary for protein <strong>and</strong> fatty acid metabolism <strong>and</strong>the production of red blood cells. It maintains a healthy nervous system<strong>and</strong> improves concentration <strong>and</strong> memory.The best natural sources are clams, oysters, beef, eggs <strong>and</strong> dairyproducts.It is not found in many plant products except certain soya products,tempeh <strong>and</strong> sea vegetables. If you are a strict vegetarian you will need totake B12 supplements. Although, people who have diets high in proteinneed more B 12. A deficiency can cause pernicious anemia.B12 is not easily absorbed <strong>and</strong> needs to be combined with calcium forproper absorption. It is destroyed by sunlight, alcohc.l <strong>and</strong> sleeping pills.There have been no reports of B12 toxicity.Vitamin 8 '5(Pangamic Acid, Pangamate, Calcium Pangamate)Pangamic acid has not had much research done on it in the USA, but.I

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!