What type of fruit juice provides the most vitamin C? In my investigation I plan to find out how much vitamin C there is in orange juice‚ pineapple juice and tropical juice and then compare my results to find out which juice has the most vitamin C. The independent variable is the type of juice and the dependant variable is the volume of fruit juice needed to decolourise 1cm3 Of 1% DCPIP solution. DCPIP solution can be used to measure the amount of vitamin C in each juice as an antioxidant
Premium Vitamin C Juice Fruit
Vitamin c in fruit juice using dcpip titration Preparing the standard ascorbic acid solution 1. Weigh out accurately about 0.2 g ascorbic acid and make up to 1 L with distilled water. 2. Calculate the concentration of the ascorbic acid solution: C = n/V = m/M/V. Sample calculation: mass of ascorbic acid = 0.205 g C (ascorbic acid) = 0.205/176.12/1.00 = 0.00116 M Preparing the DCPIP solution Weigh out accurately approximately 0.24 g DCPIP (Mr = 268.1g/mol) and make up to 1 L with
Premium Ascorbic acid Acid Titration
of two students required: * vitamin C indicator solution * three 50 mL beakers or medicine cups * one 10 mL graduated cylinder * three disposable pipettes * one stirring rod * Sources of Vitamin C: freshly squeezed OJ‚ bottled OJ‚ frozen OJ‚ canned OJ * Optional: container for waste solutions and source of clean rinse water There are two different preparations (starch-iodine or indophenol) that may be used for the vitamin C indicator solution. Neither is more
Premium Starch Iodine Water
Lab Report: MEASUREMENT OF VITAMIN C Introduction Nutritional diseases were once the number one cause of death only a century ago‚ but rarely affect our lives today. The complete lack of vitamin C (ascorbic acid) characterized by dark purple spots on the skin and rotting gums‚ a disease called scurvy‚ took the lives of many sailors up until the mid 1800s when the prevention was discovered. Consequently‚ British sailors became referred to as ‘limeys’ because of their daily habit of eating
Premium Vitamin C Ascorbic acid Titration
Investigating the vitamin C content of fruit juices Vitamin C (ascorbic acid) is a water-soluble nutrient which is found in certain foods. It acts as an antioxidant (inhibits oxidation) in the body‚ helping to protect cells from the damage caused by free radicals. The body requires vitamin C in order to make collagen‚ a protein essential to help wounds heal. Vitamin C also improves the absorption of iron from plant-based foods and helps the immune system work properly to protect the body from disease
Premium
1 mole 1 mole 1 mole 1 mole Aim To analyze the Vitamin C from a rival company and compare with that of my company and find out the best value for the money spent by the consumer. Controlled Variable * Mass of the tablet and hereby vitamin C in rival company tablets * Consistency of components in the Vitamin C tablet * Concentration of NaOH Apparatus 1. Burette (50ml) 2. Conical flask (50ml) 3. Vitamin C tablet (1 tablet per one trial) 4. Sodium Hydroxide
Premium Vitamin C Mole
Investigating Vitamin C Background Vitamin C is found in green vegetables‚ fruits‚ and potatoes. It is essential for a healthy diet. The chemical name for vitamin C is ascorbic acid. Ascorbic acid is a good reducing agent and therefore it is easily oxidised. Methods for the detection of vitamin C involve titrating it against a solution of an oxidising agent. Where to start There are several oxidising agents that can be used and a commonly used one is 2‚6-dichlorophenol-indophenol or DCPIP
Premium Titration Vitamin C Chlorine
Why is Vitamin C good for you? Health The most well-known health benefit of blackcurrants is that they contain large amounts of Vitamin C. Vitamins are substances we need to enable our bodies to live‚ grow and reproduce normally. Vitamin C is an essential nutrient - it cannot be made by the human body and we must therefore eat foods which contain it (Bibliography Ref: 13). Because the body breaks down Vitamin C very quickly and does not store very much‚ we need to eat Vitamin C containing foods
Premium Vitamin C Blood Collagen
al.‚ 2006) What is vitamin C ? Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species. (Sebastian J. et.al.‚ 2003) Vitamin C is a water-soluble vitamin that is necessary for normal growth and development. It aids in collagen production and reduces fine lines & wrinkles. Collagen loss and disorganisation is part of the process of ageing‚ leading to skin sagging and wrinkle formation. On the other hands‚ vitamin C may include protection
Premium Collagen Scar Vitamin C
Vitamin Types Sources Functions Effects of Deficiency RDA Properties C(ascorbic acid) - Blackcurrants Rosehip Strawberries Oranges Lemons Cabbage Tomatoes Potatoes Apples Pears Acts as an antioxidant ‚ prevents heart disease and cancer. Formation of collegen which unites cells as blood vessels‚ helps develop bones and teeth‚ helps white blood cells in fighting infections‚ prevents scurvy‚ necessary for the assimilation of non haem iron in the intestine. Scurvy rare in
Premium Vitamin C Blood