Vitamins In the early 20th century the discovery of vitamins began. Today there is a chance that there are some vitamins that are still undiscovered. The definition of vitamin is: one of several substances necessary for animal nutrition‚ and occurring in minute quantities in natural foods; numerous types have been distinguished‚ and designated by the letters of the alphabet. Each and every living animal needs vitamins to grow and be healthy. Since the human body can t produce
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Mariam Haider Micronutrients Vitamins Written Task Design Brief; Foods are not ‘pure’ substances. Although referred to as protein foods‚ or carbohydrate foods‚ this only recognized the food to be high in a particular nutrient. In fact‚ foods are mixtures of different nutrients and other chemical substances such as toxins‚ pigments and additives. Protein‚ carbohydrates and fat are regarded as macronutrients due to the size of their molecules. These nutrients are needed in large quantities
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Vitamin Types Sources Functions Effects of Deficiency RDA Properties C(ascorbic acid) - Blackcurrants Rosehip Strawberries Oranges Lemons Cabbage Tomatoes Potatoes Apples Pears Acts as an antioxidant ‚ prevents heart disease and cancer. Formation of collegen which unites cells as blood vessels‚ helps develop bones and teeth‚ helps white blood cells in fighting infections‚ prevents scurvy‚ necessary for the assimilation of non haem iron in the intestine. Scurvy rare in
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Vitamin Name Deficiency effects’ Vitamin B1 thiamine Deficiency causes beriberi. Symptoms of this disease of the nervous system include weight loss‚ emotional disturbances‚ Wernicke’s encephalopathy (impaired sensory perception)‚ weakness and pain in the limbs‚ periods of irregular heartbeat‚ and edema (swelling of bodily tissues). Heart failure and death may occur in advanced cases. Chronic thiamine deficiency can also cause Korsakoff’s syndrome‚ an irreversible psychosis characterized by amnesia
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essential fatty acids are flax‚ canola oil‚ fish and soy. Vitamins Vitamin E improves circulation to all parts of the body. The scalp needs proper circulation in order for hair follicles to be stimulated. Vitamin E can be found in avocados‚ nuts‚ seeds‚ olive oil‚ wheat germ‚ dried beans‚ soybeans‚ and dark green leafy vegetables. The B vitamins which include Biotin‚ Vitamin B6‚ Vitamin B12‚ and Pantothenic Acid prevent hair loss. These vitamins can easily be incorporated by adding eggs‚ meat‚ poultry
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Vitamin A Retinoic acid‚ or Vitamin A‚ is an essential human nutrient referring to a family of similarly shaped molecules called the retinoids. Its discovery dates back to research done in 1906‚ which indicated that factors other than carbohydrates‚ proteins‚ and fats were necessary to keep cattle healthy. Vitamin A was independently discovered by Elmer McCollum at the University of Wisconsin-Madison‚ and Lafayette Mendel and Thomas Osborne at Yale University. It was named due to the fact that
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Vitamins Vitamin is defined as any of a group of organic substances essential in small quantities to normal metabolism‚ found in minute amounts in natural foodstuffs or sometimes produced synthetically (Dictionary.com‚ 2012). We need vitamins and minerals for our bodies to function properly. By eating a variety of foods‚ we can often supply our bodies with the necessary vitamins it needs‚ but in some cases it is necessary to take a vitamin supplement as well. By eating a good diet in conjunction
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VITAMINS Introduction Vitamins are organic food substances found only in living things‚ i.e. plants and animals. They are essential for our bodies to function properly‚ for growth‚ energy and for our general well-being. With very few exceptions the human body cannot manufacture or synthesize vitamins. They must be supplied in our diet or in man-made dietary supplements. Some people believe that vitamins can replace food‚ but that is incorrect. In fact‚ vitamins cannot be assimilated without also
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Vitamins Vitamins are vital organic nutrients essential to over all health and are needed for cells and fluids in the body. They are found in all the foods that we eat‚ and must be consumed in small quantities since our bodies cannot make them. They are also available in dietary supplements‚ but those are only suggested if necessary‚ like if the body is not getting enough vitamins from food. Even though vitamins do not supply energy as carbohydrates‚ fats and proteins do‚ they are vital because
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VITAMINS‚ THEIR TYPES AND USES Vitamins are vital nutrients‚ indispensable to perform various tasks within the human body in order to promote optimal health and prevent various diseases. How do Vitamins work? Although required in minimal quantities these vitamins cannot be synthesised by the human body. Hence‚ they rely on easily available animal and plant sources for replenishment. These vitamins in conjunction with other nutrients help break down proteins‚ thereby stabilising metabolism‚ enabling
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