FOOD SCIENCE ›› 2005, Vol. 26 ›› Issue (8): 434-436.

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Changes of Polyphenol Oxidase, Peroxidase Activities and Vitamin C of Strawberry during Frozen Storage

 BAO  Hai-Rong, WANG  Hua-Bo   

  1. College of Food Science, Shanghai Fisheries University
  • Online:2005-08-15 Published:2011-09-19

Abstract: The changes of soluble polyphenol oxidase (PPO), peroxidase (POD) and vitamin C content of frozen strawberry inf ourteenw eeks’s toragew ere studieda ts toraget emperatureso f- 12,-18and-40℃. Ther esultsi ndicatet hatt hec ontento f vitamin C is showing a tendency to decrease, soluble polyphenol oxidase (PPO) and peroxidase (POD) activities increase at the early stage ands ignificantlyd ecreasel ate.

Key words: strawberry, frozen storage, polyphenol oxidase, peroxidase, vitamin C