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
Premium Iodine Vitamin C Titration
Benefits of Vitamin E In this article we will look at the benefits of vitamin E. Vitamin E is a fat soluble vitamin found in many foods‚ especially certain fats and oils. It is a powerful antioxidant that protects the body from damage caused by free radicals. Vitamin E has many other health benefits also. First of all‚ to fully understand the importance of the effect of vitamin E on free radicals‚ you must understand what a free radical is and what it can do to your body. A free radical is an
Premium Vitamin C Atherosclerosis Metabolism
vitamin C INTRODUCTION Vitamin C is a product that is usually found in many foods and produced by an abundance of chemical companies as dietary supplements. This vitamin is essential to the scurvy patients and used abundantly in cosmetic company due to its antioxidant properties. In the terms of its production‚ the fact that vitamin C has two totally and distinctly separate sides is still unknown to many people even doctors. The two sides consist of "L"-Ascorbic Acid‚ which is the (-) side‚ and
Premium Vitamin C Ascorbic acid Vitamin
potential of vitamin C to prevent and cure diseases such as cancer‚ flu and cold by using high amounts of vitamin C. First of all‚ Vitamin C‚ also known as ascorbic acid‚ is a molecule with complex characteristics despite its simple structure. It is an “elusive vitamin‚ very variable in concentration even in food groups (fruits and vegetables) that are recognised as good sources of the vitamin‚ very soluble in water and very sensitive to alkali‚ oxidation and heat” (Nobile & Woodhill‚ Vitamin C : the Mysterious
Premium Nutrition Vitamin Obesity
Laboratory exercise 3 : Quantitative analysis of vitamin C contained in a fruit juice Aim: To investigate the amount of vitamin C found in all kinds of fruit juice Introduction : Vitamin C is an antioxidant‚ along with vitamin E‚ beta-carotene‚ and many other plant-based nutrients. Antioxidants block some of the damage caused by free radicals‚ substances that damage DNA. The build-up of free radicals over time may contribute to the aging process and the development of health conditions such as
Premium Vitamin C Vitamin Fruit
THE VITAMIN C CONTENT OF FRUIT JUICE Aim: To investigate the vitamin C content of fruit juice.Hypothesis: I believe the more drops of fruit juice taken to decolourise DCPIP‚ the smaller the amount of vitamin C in that fruit juice. This is because DCPIP needed to be decolourised by ascorbic acid in fruit juice‚ so less concentration of ascorbic acids means that more ascorbic acids is needed to decolourised DCPIP. I believe that freshly squeezed orange is going to have the most Vitamin C content
Premium Vitamin C
of a solution containing vitamin C is required to be added to 1 cm3 of blue chemical to change its colour from blue to clear. The experiment users an new and old lemon‚ orange and blackcurrant juice‚ each with varying amounts of vitamin C content. Each experiment has independent and dependent variables. The solutions of soft drinks contain different levels of vitamin C (with old and new varieties) will be the independent variables in the experiment as the vitamin C content is unknown. The dependent
Premium Vitamin C Juice Vitamin
To compare the concentration of vitamin C in different brands of orange juice. Juice sample provided: 0.1% vitamin C solution‚ fresh orange juice‚ You C 1000 orange water. Aim of investigation: To compare and verify the amount of vitamin C in Mr. Juicy and You C 1000 orange juice. Introduction: Problem: To compare the concentration of vitamin C Hypothesis: Concentration of vitamin C in Mr. Juicy is about 0.02 % Concentration of vitamin C in You C 1000 orange water is about 0.1%
Premium Vitamin C Ascorbic acid Orange Juice
Vitamins‚ Nutrients‚ and Minerals Vitamins‚ nutrients‚ and minerals are all important substances that are required to lead a happy‚ healthy life. Firstly‚ vitamins are an organic compound required by the body in small amounts of metabolism‚ to protect health‚ and for proper growth of children. Vitamins also assist in the formation of hormones‚ blood cells‚ nervous systems chemicals‚ and genetic material. There are 13 well-identified vitamins. Some examples of the 13 well-identified
Premium Nutrition Vitamin C Vitamin
Vitamins In the early 20th century the discovery of vitamins began. Today there is a chance that there are some vitamins that are still undiscovered. The definition of vitamin is: one of several substances necessary for animal nutrition‚ and occurring in minute quantities in natural foods; numerous types have been distinguished‚ and designated by the letters of the alphabet. Each and every living animal needs vitamins to grow and be healthy. Since the human body can t produce
Premium Vitamin