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Comparison of Two Methods for The Determination of Vitamin C (Ascorbic Acid) in Some Fruits

Author

Listed:
  • Isam Eldin H. Elgailani
  • Mohamed A. M. Gad- Elkareem
  • Elnoor A. A. Noh
  • Omer E. A. Adam
  • Ahmed M. A. Alghamdi

Abstract

The present research deals with the comparison of the two methods for the determination of vitamin C (ascorbic acid) content in some fruits namely apples, oranges, lemons, tangerines and grapes. The fruits were collected from local market in Baljurashi city. Vitamin C content of fresh fruit were determined by titrimetric and spectrophotometric methods using potassium permenganate as a chromogenic reagent. The absorbance is measured spectrophotometrically at 530 nm. The titrimetric method was carried out by an iodimetric back-titration. The results obtained from this study revealed that there is no significant difference between the two methods, but the spectroscophotometric method has been preferred to determine the amount of vitamin C than the titrimetric method.

Suggested Citation

  • Isam Eldin H. Elgailani & Mohamed A. M. Gad- Elkareem & Elnoor A. A. Noh & Omer E. A. Adam & Ahmed M. A. Alghamdi, 2017. "Comparison of Two Methods for The Determination of Vitamin C (Ascorbic Acid) in Some Fruits," American Journal of Chemistry, Online Science Publishing, vol. 2(1), pages 1-7.
    • Handle: RePEc:onl:amjoch:v:2:y:2017:i:1:p:1-7:id:359
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