Monday, May 19, 2008
Student Union Building, Upper (Queensborough Community College)
317

Analysis of Vitamin "C" in Fruits and Vegetableas

Rana Said1, Syamala Ranganathan2, and Pedro Irigoyen2. (1) Queens Borough community college, New York, NY, (2) Queensborough community college, Bayside, NY

Abstract:

Vitamin C is found in many vegetables and fruit. Its deficiency in the diet causes survy, a fact known very early in history. Various fruits and vegetables can give the daily recommended dose of vitamin C. In this experiment vitamin C is extracted from different fruits and vegetables. These juices are analyzed with

via High Pressure Liquid Chromatography (HPLC). The reverse phase C-18 column is used. UV absorption is used to monitor the Vitamin C content. Since ascorbic acid is stable in acidic pH range a buffer prepared from disodium hydrogen phosphate is used.