FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (24): 436-439.doi: 10.7506/spkx1002-6630-201024095

• Packaging & Storage • Previous Articles     Next Articles

Effects of Ascorbic Acid and Chitosan Treatments on Physiological Changes of Fresh-cut Taro during Storage

HU Wei-rong,LIU Shun-zhi,HUANG Hui-juan,JIANG Yue-ling   

  1. School of Life Sciences, Guangzhou University, Guangzhou 510006, China
  • Received:2010-02-08 Revised:2010-11-15 Online:2010-12-25 Published:2010-12-29
  • Contact: HU Wei-rong E-mail:weironghu@163.com

Abstract:

The effects of ascorbic acid (0, 1.0, 5.0 g/L and 10.0 g/L) combined with 15.0 g/L chitosan coating on quality and browning of fresh-cut taros (Colocasia esculenta(L) Schott) during storage at 15 ℃ were evaluated. The results showed that chitosan coating alleviated the weight loss, the decline of starch content and browning process, and inhibited the activities of polyphenol oxidase (PPO), peroxidase (POD) and amylase. The treatment of 5.0 g/L ascorbic acid combined with chitosan coating was particularly effective in inhibiting enzymatic browning and maintaining the quality of fresh-cut taro.

Key words: taro, fresh-cut, ascorbic acid, chitosan, storage effect

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