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 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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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 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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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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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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Professor Caruth English 102 6 July 2015 “What We Talk About When We Talk About Love” – Unit 2 Essay Love is an emotion many claim to experience‚ and who’s to say they haven’t. “What We Talk About When We Talk About Love” is a short story written by Raymond Carver that emphasizes on the theme of love. A group of friends‚ that happen to be two couples‚ are sitting around a table having a drink when the conversations brings up the idea of love. Nick‚ the narrator and Laura are a couple‚ and Mel and Terri
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PULLOUT Worksheets SOLUTIONS Science Class Solutions can be downloaded from our Website www.OswaalBooks.com 6 OSWAAL BOOKS “Oswaal House” 1/11‚ Sahitya Kunj‚ M.G. Road‚ AGRA-282002 Ph.: 0562-2857671‚ 2527781‚ Fax : 0562-2854582‚ 2527784 email : contact@oswaalbooks.com‚ website : www.OswaalBooks.com CONTENTS 1. Food Where Does it Come From? Ø 1&2 Worksheets 2. Components of Food 1 3 5 7 10 13 15 17 19 21 24 27 29 32 34 37 - 2 4 6 9 12 14 16 18 20 23 26 28 31 33 36 39
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Introduction I am going to analyze on Raymond Loewy’s Design. First of all‚ design background of Ray Loewy will be introduced. Secondly‚ some example will be selected from his designed area: Brand Image – Lucky Strike‚ Car‚ Greyhound and Product Design – Furniture. Finally‚ I will further analyze on each areas‚ on the shape‚ structure and comparisons of his influence in the past and today. Background Raymond Loewy (1893 - 1986) He was born in France in 1893 and immigrated to the United States
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Background Info One of the UK’s most respected chefs‚ Raymond Blanc was born in a tiny rural village in Besancon‚ in eastern France. While his two sisters were taught to cook by the inspirational Maman Blanc‚ his father taught Raymond and his two brothers to work in the garden and surrounding woods. His father gave him a calendar and foraging map for his 10th birthday‚ and what he collected his mother taught him to cook‚ filling her meals with fresh local and seasonal flavours. Raymond’s
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