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柑桔果实贮藏中存在的问题,主要有腐烂、失重、枯水和风味劣变四大项,其中腐烂和失重直接导致经济上的损失。采用2,4—D 处理,使柑桔果实腐烂率下降,贮藏期延长,如甜橙果实在通风库中贮藏五个月,腐烂率一般可控制在5—15%。但由于贮藏期的相对延长,在通风库中贮藏的果实失重显得比较突出了,甜橙贮藏五个月,果实的失重率一般15—20%。在结构较差,湿度偏低的库房内贮藏,失重率有的达20%以上,同时果实易萎缩,商品外观下降。旧的矛盾解决了,新的矛盾又出现了。为进一步解决通风贮藏中的失重问题,我们于1966年开始进行柑桔薄膜包装贮藏试验。
There are four main problems in the storage of citrus fruits, including decay, weight loss, low water quality and flavor deterioration. The decay and weight loss directly lead to economic losses. With 2,4-D treatment, the decay rate of citrus fruit declines and the storage period prolongs. For example, when the orange fruits are stored in the aeration store for five months, the decay rate can be generally controlled at 5-15%. However, due to the relatively prolonged storage period, the weight loss of fruits stored in the aeration tank is conspicuous. When the oranges are stored for five months, the weight loss rate of the fruits is generally 15-20%. In the poor structure, low humidity storage in the warehouse, weight loss rate of up to 20% or more, while the fruit is easy to shrink, the appearance of goods down. The old contradictions have been solved and new contradictions have emerged. In order to further solve the problem of weightlessness during ventilation and storage, we started the citrus film packaging and storage test in 1966.