Essays Tagged: "Ascorbic acid"

Vitamin C

Got an A AIntroductionWhat is Vitamin C?Vitamin C also known as Ascorbic acid is one of the compounds that is necessary for the growth, health, and build of the ske ... s of vitamin C (3).In this lab the three foods researched were fruits and vegetables that contained Ascorbic acid. In vegetarians a link between low blood pressure and their intakes of vitamin C in th ... ake of vitamin C did not have a lower risk of getting breast cancer than those with a low intake of Ascorbic acid yet it might reduce the risk of skin cancer caused by ultraviolet radiation reaching s ...

(3 pages) 90 1 4.0 Jan/1996

Subjects: Science Essays > Chemistry

How light intensity effects vitamin C?

IntroductionAscorbic acid, commonly known as Vitamin C, is important to the human diet. It helps the body form c ...

(4 pages) 44 0 3.0 Nov/2003

Subjects: Science Essays > Chemistry

Vit c experiment

class data, showing the average titration in ml and amount of Vitamin C. in mg/ml.Class averages Of Ascorbic Acid.2.Compare and contrast the results you obtained for part A. Which drink contained the ... e to figures claimed on any packaging?) Comment on your results.The drinks that contained the least Ascorbic Acid were the orange squash and the Standard Solution.Pie Chart representing class results ...

(2 pages) 46 0 5.0 Jan/2004

Subjects: Science Essays > Biology

Vitamin C-Health effects

Although vitamin C (ascorbic acid) is one of the most popular vitamin supplements in the US, it is also one of the most ...

(1 pages) 49 0 0.0 Mar/2004

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

Titration of vitamin c

ssified by their Vitamin C content.Introduction: Although most mammals can synthesize vitamin C, or ascorbic acid (C6H8O6), from sugars, man must ingest considerable quantities of this substance. The ... antities of this substance. The National Academy of Sciences recommends the consumption of 60 mg of ascorbic acid per day. Vitamin C deficiency, which typically causes abnormalities in bones and teeth ...

(2 pages) 63 0 5.0 May/2004

Subjects: Science Essays

Analysis of Commercial Vitamin C Tablets. (Ascorbic acid content in one tablet)

ease in oxidation number when is oxidized, and vice versa.In order to find out concentration of the ascorbic acid in the tablet, a redox reaction of it with iodine was done. While iodine is an oxidizi ... While iodine is an oxidizing agent and ascorbic acid is a reducing agent. The reaction forms dehydroascorbic acid and iodide.Ascorbic acid + I2 -> dehydroascorbic acid + 2 H+ + 2 I-However, Iodine ...

(5 pages) 62 1 3.0 Dec/2004

Subjects: Science Essays > Chemistry

Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.

xperiment 7 : Analysis of commercial vitamin C tabletTitle: Determination of the vitamin C content (ascorbic acid) of a commercial vitamin C tablet and compare the result with the value specified by t ... t, we have to determine the vitamin C content of a commercial vitamin C tablet which is the mass of ascorbic acid in the tablet. As iodine is a weak oxidizing agent used mainly for the determination o ...

(10 pages) 39 0 0.0 Jan/2005

Subjects: Science Essays > Chemistry

Vitamin C Amount Estimation.

Vitamin C (ascorbic acid) is a very important vitamin to the body. Vitamin C promotes healthy teeth and gums, h ... d that we get the word, vitamin. When vitamin C was finally isolated in 1925, it was given the name ascorbic acid because ascorbic means "no scurvy".2 Vitamin C has many functions in the body. One of ... radicals, which can cause the aging of skin and damage to different cells around the body. Indeed, ascorbic acid (vitamin C) is commonly added to processed food as an antioxidant. 3 In some roles, vi ...

(19 pages) 53 1 3.7 Dec/2005

Subjects: Science Essays > Chemistry

Vitamin C

Vitamin C is a water-soluble vitamin, and is also know n as Ascorbic Acid. It was first isolated in 1928 by the Hungarian biochemist and Nobel prize winner, Dr. ...

(3 pages) 68 2 3.5 Jun/2006

Subjects: Science Essays > Biology

What does boiling do to vegetables?

. The loss of vitamins is due to the fact that when heated, the cell membranes burst, releasing the ascorbic acid. Vitamin C, the most reactive reducing agent known to occur naturally in living tissue ... o a 250 ml Erlenmeyer flask. Add 10 oxalic acid solution plus 1 ml 1N HCl. Titrate to determine the ascorbic acid concentration.

(2 pages) 14 0 4.0 Aug/2006

Subjects: Science Essays > Biology > Plant Biology

BIOLOGY: NON INFECTIOUS DISEASES

lysyl hydroxylase (catalyse the reaction to produce hydroxyproline and hydroxylysine) which require ascorbic acid(vitamin C) to function.Treatment:Fruits and Vegetables:Treatment for scurvy is quite b ... as some pickled vegetables.Supplements:There are also supplements that are very high in Vitamin C (ascorbic Acid) and are extremely effective in the treatment and cure of scurvy. As these supplements ...

(6 pages) 1118 0 0.0 Oct/2008

Subjects: Science Essays > Biology

Vitamin C Lab

re organic substances, which mean that they are made by plants or animals. Vitamin C, also known as ascorbic acid, is a water-soluble vitamin. It is necessary for normal growth and development. The bo ... inding percent of vitamin C each fruit contains with recommended daily vitamin C intake.Lime:1.3 mg ascorbic acid (250 mL)/60mg *100= 542 %Orange: 1.02 mg ascorbic acid (250 mL)/60mg *100= 425 %Mango: ...

(3 pages) 3482 0 0.0 Oct/2009

Subjects: Science Essays > Biology

Blanching and Browning of Apples

most effective treatments for deactivating the polyphenol oxidase enzymes in the apple were: 0.2% L-ascorbic acid for 3 minutes (v); 0.3% Na metabisulphite for 3 minutes (vi); 1% Citric Acid for 3 min ... hey probably were, but other enzymes had already starting working their enzymatic browning.v.0.2% L-ascorbic acid, 3 mins –The colour development time of this treatment was 1 minutes and 30 secon ...

(6 pages) 4770 0 5.0 Oct/2009

Subjects: Science Essays > Microbiology

The Effect of Three Conventional Cooking Methods on Vitamin C in Spinach

ntional cooking methods have on vitamin C levels. By cutting and heating, precious vitamins such as ascorbic acid (vitamin C) can be lost (National Health and Medical Research Council, 2006). Vitamin ... s 35-40mg/day (National Health and Medical Research Council, 2006).Vitamin C is also referred to as ascorbic acid as it is the generic descriptor for compounds which display the same activity as ascor ...

(14 pages) 0 0 0.0 May/2013

Subjects: Science Essays > Chemistry