Scientia Agricultura Sinica ›› 2010, Vol. 43 ›› Issue (22): 4694-4700 .doi: 10.3864/j.issn.0578-1752.2010.22.017

• STORAGE·FRESH-KEEPING·PROCESSING • Previous Articles     Next Articles

Effect of Chitosan/nano-SiOx Complex on Quality and Physiology of Fresh-Cut Bamboo Shoot

LUO Zi-sheng, ZHANG Li   

  1. (浙江大学食品科技系)
  • Received:2010-07-07 Revised:2010-08-14 Online:2010-11-15 Published:2010-11-15

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Abstract:

【Objective】 The effect of chitosan/nano-SiOx complex coating on shoot of bamboo (Phyllostachys vivax Mcclure. cv. Huapuj) was studied. 【Method】 Fresh-cut bamboo shoots were stored at (4±1)℃ for 8 days, and the effect of 1% chitosan/nano-SiOx coating on quality and physiology of fresh-cut bamboo shoots were then investigated. 【Result】 The results indicated that the respiration rate and ethylene production rate decreased while the activities of phenylalanine ammonia lyase (PAL), polyphenol oxidase (PPO) and peroxidase (POD) increased quickly and the accumulation of total phenolic compounds enhanced, thereby promoting the lightness (L) decrease and browning index (BI) increase. Chitosan/nano-SiOx complex coating not only reduced the respiratory rate and ethylene production rate, but also delayed the increase of activities of PAL, PPO and POD, maintained high L value and low level of BI. 【Conclusion】 Chitosan/nano-SiOx complex coating exhibits potential use for storage of fresh-cut bamboo shoots.

Key words: bamboo shoot, fresh-cut, chitosan/nano-SiOx complex, quality, physiology

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