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Vitamin C Essay Examples

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Determination Of Vitamin C Content Of Tablet

ABSTRACT In this experiment, the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid, C6H8O6, is a reducing agent that reacts rapidly with…

Effect of Temperature on Content of Vitamin C

Introduction A daily intake of Vitamin C is essential for humans. Without it, the disease scurvy develops as sailors, explorers and people during the long winters in the Northern hemisphere found before the time of Captain Cook. The British Navy started giving sailors lime juice to prevent scurvy on long voyages in 1795. Vitamin C…

Vitamin C & DCPIP

Since the number of fruit juice required decolorizing the blue CDPIP solution in decreased in the order: Red pepper >kiwifruit >lemon >orange. Therefore, Red pepper contain the largest concentration of vitamin C, the second is kiwifruit , the third one is lemon and the lest one which contain the least concentration of vitamin C is…

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Biology Concept. Vitamin C Content in Various Fruit Juice

This experiment examined the effect of vitamin C content in fruit juice on DCPIP’s colour changes using acid-based titration method. A titration is a method of analysis that will allow us to determine the precise endpoint of a reaction and therefore the precise quantity of reactant in the titration flask. The objective of the experiment…

Vitamin C content of food

Aim:To compare the vitamin C content of different fruits using the decolourisation of DCPIP from blue to clear as the indicator. •You first need to estimate the volume of a known concentration of vitamin C solution required to decolourise 2 cm3 of DCPIP solution. •Then you need to determine the volume of fruit juice that…

Titration of Vitamin C

Purpose: The goal of this lab is to determine the concentration of vitamin C in juices and Real Lemon. A redox titration, involving an iodometric method, will be used to do the analysis. The samples will be classified by their Vitamin C content. Introduction: Although most mammals can synthesize vitamin C, or ascorbic acid (C6H8O6),…

Scurvy: Vitamin C and United Nations Children

Scurvy is perhaps the oldest known deficiency disease. However, its specific relationship to ascorbic acid was not recognized until the 20th century. It generally occurs between six and 18 months of age, but can start much earlier in pre-mature babies or those borne of mothers who lacked nutritious food during their later stages of pregnancies….

Papaya – Lemon Energy Drink

I. Problem What is the importance of energy drink to our lives? Why ____ is a good Energy Drink? II. Title: III. Rationale Energy drinks are beverages which contain legal stimulants, vitamins and minerals, including caffeine, guarana, taurine, various forms of ginseng, maltodextrin, carnitine and ginkgo biloba. Lemons have high energy content and rich in…

Quantitative analysis of vitamin C in food products

There is growing evidence that Vitamin C serves as a potent antioxidant in vitro. There are many functions that Vitamin C has in the body among which is the capacity to improve the immunity system such that a person is more able to fight off colds and flus. Pre-Lab: List five other functions of Vitamin…

DCP
Use appropriate chemical tests

P5 – Use appropriate chemical tests to identify different dietary nutrients Minerals Biochemical test Positive results Why are they needed and the implications without them Starch The easiest way to test for starch is by adding an Iodine or potassium iodide solution. This is commonly used on bread. The iodine or potassium iodide solution will…

Various factors

Slowly add the juice a little at a time until the DCPIP turns a permanent straw colour. 4. Make sure 1oml is used at all times as to keep it a fair test at all times. 5. Repeat experiment 5 times on each of the 4 different Juices chosen and take an average one completed….

Quantitative Analysis of Vitamin C in Food Products

There is growing evidence that Vitamin C serves as a potent antioxidant in vitro. There are many functions that Vitamin C has in the body among which is the capacity to improve the immunity system such that a person is more able to fight off colds and flus. Pre-Lab: List five other functions of Vitamin…

IB Chemistry Lab Design – compare the effect of temperature on the concentrations of Vitamin C and Vitamin A in solution

Research Question: To compare the effect of temperature on the concentrations of Vitamin C and Vitamin A in solution. Background Information: Many researchers claim that the vitamin content in the food we eat decreases as we cook the food, since it is being exposed to high temperatures. This really intrigued me since cooking is one…

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