食品科学 ›› 2005, Vol. 26 ›› Issue (8): 434-436.

• 包装贮运 • 上一篇    下一篇

草莓冻藏过程中多酚氧化酶、过氧化物酶及维生素C的变化研究

 包海蓉, 王华博   

  1. 上海水产大学食品学院
  • 出版日期:2005-08-15 发布日期:2011-09-19

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

摘要: 本文研究速冻草莓在-12、-18、-40℃三种温度下十四周贮藏中可溶性多酚氧化酶(PolyphenolOxidase,简称PPO)、过氧化物酶(Peroxidase,简称POD)及维生素C的变化,结果表明:不同温度下冻藏的草莓维生素C含量均呈下降趋势;冻藏初期可溶性多酚氧化酶、过氧化物酶活性上升,后期显著下降。

关键词: 草莓, 冻藏, 多酚氧化酶, 过氧化物酶, 维生素C

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