FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (6): 64-69.

Previous Articles     Next Articles

Optimization of Evaluation Methods for Activities of Natural Antioxidants in vitro

 ZHAO  Yan-Hong, LI  Jian-Ke, LI  Guo-Xiu   

  1. Department of Food Engineering, Shaanxi Normal University
  • Online:2008-06-15 Published:2011-08-26

Abstract: With standard ascorbic acid (vitamin C) and tea polyphenols as test objects, some methods for detecting commonly used natural antioxidant activity in vitro were evaluated in this study. An evaluation method system for natural antioxidant activity in vitro was optimized with practicable feasibility, good stability, high precision and excellent reproducibility. Then the antioxidant activities of pomegranate polyphenols were detected by this method system, and satisfying results are obtained.

Key words: antioxidant activity, free radical, spectrophotometry