以玫瑰香葡萄为试材,通过对不同处理方式的果实在贮藏期间品质和生理生化指标的变化规律分析,探讨冰温贮藏结合CT-2保鲜剂处理对果实的保鲜效果。结果表明:冰温贮藏结合CT-2保鲜剂处理减轻了葡萄贮藏过程中的失重率、落粒率和腐烂率,降低了葡萄在贮藏过程中可溶性固形物、可滴定酸、Vc含量的损失,较好地保持了葡萄的品质;减缓了丙二醛含量的增长速度,有效延缓了葡萄在贮藏过程中的衰老进程;POD、SOD活性较单纯冰温贮藏有所增加,减少自由基的积累,从而延长了贮藏时间。

The storage effect of Muscat hamburg Grapes under the treatment of controlled freezing point storage combined with CT-2 preservative was discussed by analyzing fruit quality and physiological and biochemical indexes at different treatments during storage.The result showed that controlled freezing point storage combined with CT-2 preservative could slow down weight loss rate,fruit fallen rate and decay rate.It also reduced total soluble solids,titratable acidity and the loss of Vc.The quality of grapes was maintained,the growth speed of MDA was slowed down and the aging process was delayed effectively.Its POD and SOD activity increased compared to the controlled freezing point storage method,and the accumulation of free radicals was reduced.Therefore the storage time was prolonged.