List Of Vitamins And Their Deficiency Diseases Pdf
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- DEFICIENCIES OF THE WATER-SOLUBLE VITAMINS
- Vitamin Deficiency Diseases PDF
Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency , whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder may be metabolic — as in a genetic defect for converting tryptophan to niacin — or from lifestyle choices that increase vitamin needs, such as smoking or drinking alcohol.
The tables below list the vitamins , what they do in the body their functions , and their sources in food. Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses.
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NCBI Bookshelf. The water-soluble vitamins include ascorbic acid vitamin C , thiamin, riboflavin, niacin, vitamin B 6 pyridoxine, pyridoxal, and pyridoxamine , folacin, vitamin B 12 , biotin, and pantothenic acid. Vitamin C is active in the body either as L-ascorbic acid or as dehydroascorbic acid. Its best-known function is as a cofactor for the enzyme required to hydroxylate prolyl and lysyl residues for the synthesis of connective tissue proteins. Since the beginning of the century, the amount of vitamin C in the food supply has increased, partly because of the greater supplies of citrus fruits and dark-green vegetables and partly because of the fortification of some foods. According to the U.
Vitamins are a group of substances that are needed for normal cell function, growth, and development. There are 13 essential vitamins. This means that these vitamins are required for the body to work properly. They are:. Each of the vitamins listed below has an important job in the body.
Written and peer-reviewed by physicians—but use at your own risk. Read our disclaimer. Vitamins are a group of chemically diverse organic compounds that an organism requires for normal metabolism. Apart from a few exceptions e. Vitamins are micronutrients that do not provide energy like macronutrients but instead have very specific biochemical roles. They can also enable cell signaling vitamin A and gene transcription vitamins A and E or function as hormones e.
DEFICIENCIES OF THE WATER-SOLUBLE VITAMINS
If you're like most kids, you've probably heard at least one parent say, "Don't forget to take your vitamin! Vitamins and minerals are substances that are found in foods we eat. Your body needs them to work properly, so you grow and develop just like you should. When it comes to vitamins, each one has a special role to play. For example:. There are two types of vitamins: fat soluble and water soluble. When you eat foods that contain fat-soluble vitamins, the vitamins are stored in the fat tissues in your body and in your liver.
Vitamin Deficiency Diseases PDF
Moreover, the Global Hunger Index Report ranked India 20th amongst leading countries with a serious hunger situation. These facts hint dire consequences for mortality rate, productivity and economic growth. Therefore, nutritional deficiency diseases have obtained an important place in various government competitive exams.
By definition, a nutrient is any substance that is absorbed and either provides you with energy or enables growth, repair or proper functioning of your body. There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.
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