Thursday, February 14, 2013

Analysis Of Financila Position Of Tesco Plc

Investigation and comparisons of vitamin C (ascorbic acid) within a variety supermarket yield juices
Abstract
The aim of this research is to find out the add up of vitamin C there is in various supermarket fruit juice and how it may contribute to our health. To achieve this, a titration is carried out exploitation known amount of a standard re resultant against a dye provided, further titrations atomic number 18 carried out using frozen acetic acid then finally the solution gained is titrated using the fruit juices provided. Following the method and accurate recordings should provide the meliorate concentration levels of ascorbic acid within each fruit juice.

INTRODUCTION
It is key to know the resources needed for the body to function to its fullest ability.

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Vitamin C (ascorbic acid) is a relevant source to our bodys system. It acts as an antioxidant (these are nutrients present in our food which prevent and repair amends caused by free radicals). It acts as a coenzyme in the hydroxylation of amino group acids such as lysine, required for growth and proline known to be the major constituent of collagen, it also acts as a coenzyme in the development of noradrenalin ; the neurotransmitter of peripheral sympathetic system. Vitamin C can be found in green peppers, broccoli, tomatoes, strawberries and in many citrous fruit fruits e.g. lemon and oranges. Lack of vitamin C contributes to heart disease, scurvy, diabetes and cancer.

METHODS

RESULTS
The average titre of reagent used to neutralize the ascorbic acid in the standard solution of ascorbic acid present in fruit juice
Solutions| Reading 1| Reading 2| Reading 3| Reading 4| Reading 5| Average titre |
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