Waxy maize tissue water content is high,after the harvest is still a vital activity extremely exuberant life,natural condition kept will produce a series of physiological and biochemical changes,quality drops quickly,shelf life is short.Through the research on Postharvest Physiological and biochemical changes,analysis of internal cause and external cause on Postharvest Physiological and biochemical effects,build a comprehensive effect of the system,the next step for the research demonstration of feasible efficient fresh waxy corn fresh technology and provide a theoretical basis and reference,final implementation industry appreciation synergism.The results showed that waxy maize production,there will be breathing peak,constant weight loss; low temperature preservation of useful and pleasant taste continuation; postharvest soluble sugar into starch conversion synthesis metabolism is still dominant,the sugar content is reduced greatly; postharvest amylose,amylopectin content in the first days after the peak,amylose amylopectin content changed little,slight decline; moisture content decreases.Low temperature can reduce water loss speed,bract existence can be accelerated water loss.
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