Degradation kinetics of α-tocopherol in hydrophilic gels

  • Lucero M
  • Vigo J
  • León M
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Abstract

The present work studies the degradation kinetics of α-tocopherol in hydrophilic gels incorporating vitamin C as antioxidant. HPLC was used to detect the amounts of α-tocopheroI remaining and to validate the analytical and extraction techniques. The results indicate that α-tocopherol undergoes degradation by oxidation of the hydroxyl group, and that this is reduced by the presence of the antioxidant.

Author-supplied keywords

  • -Tocopherol
  • Antioxidant
  • Ascorbic acid
  • Carbomer®940
  • Oxidation

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