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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Vitamin & Mineral Project Sundria Carroll February 22nd‚ 2011 Diet 1310 650 Brenda Speight‚ Instructor Vitamin K Vitamins are a group of organic substances essential in small quantities to normal metabolism‚ found in minute amounts in natural foods or sometimes produced synthetically. Vitamins help our bodies metabolize nutrients and grow cells. They come in two forms: those tat dissolve in water (vitamins B & C) and those that are absorbed and stored in fat (vitamins A‚ D‚ E
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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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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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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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1. Vitamins are good for everyone’s health. Discuss A vitamin is an organic compound required by an organism as a vital nutrient in limited amounts. An organic chemical compound is called a vitamin when it cannot be produced in sufficient quantities by an organism‚ and must be obtained from the diet. (Vitamin) Some of the most important vitamins and most commonly used which are good for everyone’s health are Vitamin A‚ Vitamin B1‚ Vitamin B2‚ Vitamin B6‚ Vitamin C‚ Vitamin E and Niacin (B3). Vitamin
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OBJECTIVE To investigate the vitamin C content of different fruit juices. To identify which fruit juices has higher vitamin C content and the lowest vitamin C content. To determine the standard curve of vitamin C based on percentage of vitamin C. To differentiate between fresh juices and carton juices. To consider the reliability and validity of the results. PROBLEM STATEMENT Which type of fruit juices has the most vitamin C content? HYPOTHESIS The smaller the amount of the fruit juices
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Vitamin A Overview Vitamin A is a vitamin. It can be found in many fruits‚ vegetables‚ eggs‚ whole milk‚ butter‚ fortified margarine‚ meat‚ and oily saltwater fish. It can also be made in a laboratory. Uses treatment and prevention of vitamin A deficiency. Vitamin A deficiency can occur in people with protein deficiency‚ diabetes‚ over-active thyroid‚ fever‚ liver disease‚ cystic fibrosis‚ or an inherited disorder called abetalipoproteinemia. Diseases i. Night Blindness: In the early stages
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