FOOD SCIENCE ›› 2013, Vol. 34 ›› Issue (11): 305-310.doi: 10.7506/spkx1002-6630-201311065

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Influence of Postharvest Chitosan Treatment on the Morphosis in Fruit-pathogen Interaction

ZHANG Lu,ZENG Kai-fang   

  1. 1. College of Food Science, Southwest University, Chongqing 400716, China;2. National Food Science and Engineering Experimental Teaching Center, Southwest University, Chongqing 400716, China
  • Received:2012-11-13 Revised:2013-04-13 Online:2013-06-15 Published:2013-06-03

Abstract:

Chitosan, the only natural basic polysaccharide, is widely applied in postharvest preservation of fruit due to many
special properties and physiological functions. Chitosan has been used in the control of postharvest diseases of fruits and
vegetables, for the interaction of chitosan, fruit and pathogens. Chitosan affects the interactions of fruit-pathogen at the level
of morphology, physiology and biochemistry. Morphological changes in the structure can directly reflect the interactions
among chitosan, fruit and pathogens, which will be helpful for the physiological and biochemical study. This paper reviews
the effects of chitosan treatment on morphology changes of fruit tissue invaded by pathogens and on the fruit peel structure
and material composition change so as to reveal the mechanism of chitosan treatment in postharvest disease control and
provide a theoretical basis to further research and application.

Key words: chitosan, pathogen, fruit, interaction, morphology

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