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Vitamins

TermDefinition
Nutrition The absorption of nutrients from food.
Vitamins Organic compounds required in very small quantities but that play an essential role in specific metabolic pathways.
Fat-soluble vitamins Vitamins A, D3, K, and E. These vitamins are absorbed primarily from the digestive tract. Vegetables are potential sources of fat-soluble vitamins.
Avitaminosis Vitamin deficiency disease. Rarely results in the dietary insufficiency of fat-soluble vitamins.
Hypervitaminosis Having too much of a vitamin causes this. Occurs when dietary intake exceeds the body's ability to store, utilize, or excrete a particular vitamin. Most commonly involves one of the fat soluble vitamins.
Water-soluble vitamins B vitamins and vitamin C. Most are components of coenzymes. B vitamins are found in meat, eggs, and dairy products, and vitamin C is found in citrus fruits.
Intrinsic factor A glycoprotein, secreted by the parietal of the stomach, that facilitates the intestinal absorption of vitamin B12.
Identify the two classes of vitamins. Fat-soluble vitamins and water-soluble vitamins.
If vitamins do not provide a source of energy, what is their role in nutrition? Vitamins play an important role in metabolic pathways by serving as coenzymes.
B1 Thiamine
B2 Riboflavin
B3 Niacin
B5 Pantothenic acid
B6 Pyridoxine
B9 Folic acid
B12 Cobalamin
B7 Biotin
C Ascorbic acid
Created by: millerjn1
 

 



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