EXPERIMENT 1 DETERMINATION OF ASCORBIC ACID CONTENT IN VITAMIN C TABLETS INTRODUCTION To calculate the mass of the ascorbic acid and hence the mass percentage of ascorbic acid in the vitamin C tablet. PROCEDURES (Refer to Lab Manual) 1. Accurately weight vitamin C (effervescent type) in a 50 ml beaker. Add about 30 ml of deionised water to dissolve the vitamin C tablet. Once the tablet has dissolved completely‚ transfer the solution into a 250 ml volumetric flask via a plastic filter
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CODEX STAN 247 Page 1 of 19 CODEX GENERAL STANDARD FOR FRUIT JUICES AND NECTARS (CODEX STAN 247-2005) 1. SCOPE This Standard applies to all products as defined in Section 2.1 below. 2. 2.1 DESCRIPTION PRODUCT DEFINITION 2.1.1 Fruit Juice Fruit juice is the unfermented but fermentable liquid obtained from the edible part of sound‚ appropriately mature and fresh fruit or of fruit maintained in sound condition by suitable means including post harvest surface treatments applied in accordance with
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* Hypothesis The vitamin C content will be fewer in the cooked green pepper than the one hasn’t * Objective To investigate the effect of heating on the vitamin C content of green pepper. * Background (copy from the task sheet)and Biological principle * All fruits and vegetables contain a certain amount of vitamin C; also called ascorbic acid is a water-soluble vitamin that is necessary for normal growth and development. * the cooking process of green pepper will decrease the concentration
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life traits in fruit flies. The scientists‚ Seema Sisodia‚ Puja Verma and Bashisth Narayan Sing explain there research in “The Effect of Diet Quality and Associated Metabolic Changes in Adult Stress Response and Life-History Traits in Drosophila Ananassae” The D. ananassae used in the experiment are flies collected from fruit and vegetable india in October 2010. The purpose of the study was to observe the role of diet during stress response at cellular and metabolic levels in fruit flies. Before
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Date: 25 Nov‚ 2004 Objective: 1. To standardize sodium thiosulphate for titration use. 2. To find out the concentration of Vitamin C in the tablet. Theory: This experiment involves titration of redox reaction. Redox reaction means reduction and oxidation. In which oxidizing agent and reducing agent are mixed and oxidize/reduce each other. One losses electron(s) and increase in oxidation number when is oxidized‚ and vice versa. In order to find out concentration of the ascorbic acid in the tablet
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Berri Pure Fruit Juice Case Ágústa Hera Harðardóttir‚ Christian Washausen‚ Kerstin Fick‚ Michelle Won 1. Based on what you know from the case and given that the international expansion to Asia-Pacific is agreed upon‚ what decisions have to be made by the company and in what order? After analyzing the company’s external and internal environment in Taiwan‚ the business and mission for the particular market have to be defined. During the process Berri has to set its objectives for the market
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Is High Vitamin C all it claims to be? These days‚ there is much concern on our consumption of food drink‚ we’re told we do not intake the required daily level of fruit and veg‚ many manufactures claim to provide excellent levels of nutrients‚ This experiment will be carried out to see whether the vitamin c levels claimed by manufacturers are actually present in the drinks‚ this will be done by experimenting various drinks using blue DCPIP solution. The quantity of vitamin C in food and drink
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Chemicals Vitamin C tablet‚ (1) standard 0.0110 M potassium iodate (KIO3) solution‚ (100 cm3) standard 0.060 M sodium thiosulphate solution‚ (Na2S2O3‚ 160 cm3) 1 M potassium iodide solution‚ (KI‚ 20 cm3) 0.5 M H2SO4‚ (150 cm3) freshly prepared starch solution. Apparatus Titration apparatus Principle In this experiment you are required to determine the vitamin C content of a commercial tablet and compare this with the manufacturers specification. Vitamin C is ascorbic acid‚ which is rapidly and quantitatively
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Analysis of Commercial Vitamin C Tablets Aim: To employ iodometric titration to determine the content of vitamin C in commercial tablets using volumetric analysis and compares it with the manufacturersÂ’ specifications. Introduction Vitamin C is an essential substance for maintaining good health and it is proved to be the agent which prevents scurvy. Most animals can synthesize their own vitamin C‚ but some‚ such as human cannot. Owing to the increasing concern for oneÂ’s health
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Biology SL Internal Assessment What is the effect of heat on vitamin C concentrated in lemon juice? Introduction: “Vitamins are complex organic substances that are needed in very small amounts for many of the essential processes carried out in the body.” 1It is estimated and supported scientifically that only a few mg are filling the daily recommendation‚ which is essential for a healthy living. As most of vitamins cannot be produced by our bodies‚ we need to obtain them from
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