"Benefits of vitamins and minerals" Essays and Research Papers

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    Vitamin B1

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    VITAMIN B1 VERSION 1.0 What is it? Vitamin B1 is a water-soluble vitamin also referred to as thiamine. It is part of the B complex group and essential for normal metabolism‚ cardiovascular and nervous system health. Why you may need vitamin B1 Cataracts - a high dietary intake of thiamine is associated with a reduced risk of cataracts. Mouth ulcers – low blood levels have been found in people with recurrent mouth ulcers. Insect repellent – vitamin B1 is a popular natural insect repellent

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    Mineral and Water Function Amber Means SCI/241 July 7th‚ 2013 Tina Sills Mineral and Water Function Minerals and water are essential to health and bodily functions. Minerals are essential to body structure and to muscle functions‚ fluid balance and nerve functioning. Water is involved in every function of the body. It transports nutrients and waste products and is necessary for digestive‚ absorption‚ circulatory and excretory functions. Water also maintains proper body temperature and prevents

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    Vitamin C

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    differences of percentage of vitamin C (ascorbic acid ) between the fresh orange juice and artificial orange juice (Sunkist). Problem statement : Does have different types of fruit juice contain similar amount of vitamin c ? Objevtive: To analyse the concentration and percentage of different food sample by using titration method and state whether the percentage and concentration of vitamin C. Methodology: Theory : DCPIP can also be used as an indicator for Vitamin C. If vitamin C‚ which is a good reducing

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    vITAMIN c

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    experiment 1 Analysis of Commercial Vitamin C Tablets Objective To employ titration technique to determine the content of vitamin C in commercial tablets using volumetric analysis and compare it with the manufacturers’ specifications. Introduction Deficiency of essential antioxidant Vitamin C in human will lead to scurvy. In this experiment‚ the vitamin C content of commercial tablets is determined and then compared with the manufacturers’ specifications. Vitamin C‚ ascorbic acid C6H8O6‚ reacts

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    Vitamin C

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    Estimating the Vitamin C Concentration in Fruit Juices: A Redox Titration Prelab Assignment – Please turn your answers in on GaView prior to lab 1. How will you prepare a .02% (m/v) NBS solution? Calculations should be in your notebook before arriving to lab. 2. Provide the structure of vitamin C in its reduced form (ascorbic acid)‚ its ionized form (ascorbate ion- this is at equilibrium with reduced form when dissolved)‚ and its oxidized form (dehydroascorbate). 3. Why do you

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    Essay for Vitamins

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    take vitamin supplements ? I do not think we should take vitamin supplements as studies have shown that vitamins from supplements do not act on the body as the same way as vitamins from food‚ we can get what we need from a balanced diet. Fruit and veg which are high in vitamins also supply fibre which is necessary for health and often lacking in diets relying on supplements . Vitamins can have toxic effects‚ some may need vitamins but more vitamins is not necessarly better for example‚ vitamin A stores

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    Vitamin C

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    Vitamin C –A Natural Antioxidant Concept: Vitamin C (ascorbic acid) is an antioxidant. The amount of vitamin C content in food can be found out by titrating with an oxidising agent‚ e.g. iodine. In the reaction‚ vitamin C is oxidised‚ while iodine is reduced to iodide ions. The endpoint is determined by the formation of blue-black starch-iodine complex when all vitamin C is oxidised and excess iodine is free to react with the starch solution added as indicator. Introduction Vitamin C is an

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    Vitamin C

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    CHEMISTRY 221 LABORATORY�QUANTITATIVE ANALYSIS EXPERIMENT:  DETERMINATION OF ASCORBIC ACID IN VITAMIN C TABLETS THEORY: Ascorbic acid‚ C6H8O6‚ MM =  176.13‚ can be oxidized to form dehydroascorbic acid by bromine via the following reaction: The bromine or iodine used in the titration is generated by adding an excess amount of KBr or KI to an acidified solution of the sample according to the following reaction:   BrO3-  +   5 Br-   +   6 H+    3 Br2  +   3 H2O IO3-  +   5 I-   +   6 H+   

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    Vitamin E

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    Vitamin E is a fat-soluble vitamin found in vegetable oil‚ nuts‚ leafy green vegetables and whole-wheat flour. Vitamin E is an antitoxin that protects your cells against the potentially damaging byproducts of your body’s metabolism. The daily amount of Vitamin E that should taken by a healthy adult is 15 mg or 22 IU (International Units). Vitamin E does many good things for our body. It promotes normal growth and development in younger individuals. It acts as an anti-blood clotting agent

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    Vitamin C

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    of orange juices‚ and we also used 0.1% of vitamin C solution. The aim of our experiment was to see how much DCPIP was needed to be added to make the orange juices turn back to the orange colour and the DCPIP to decolourise once the 0.1% of vitamin C was added. DCPIP is a blue dye in its non-reduced form; it becomes colourless when it gains electrons. Vitamin C is an anti – oxidant‚ this is found mainly in fresh fruit and vegetables. The main use of Vitamin C is that it neutralises free radicals‚ which

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