不同包装材料对黑仙子1号小冬瓜耐贮性的影响

Storability effects of different packaging materials on small wax gourd of Heixianzi 1

【目的】探讨不同包装材料对黑仙子1号小冬瓜耐贮性的影响,为小冬瓜贮藏保鲜提供参考依据。【方法】黑仙子1号小冬瓜在秋季栽培,果实老熟后进行冬季贮藏。设置保鲜膜、葡萄糖纸、报纸和黑色塑料袋4种材料包装处理和1个常规贮藏对照,随后每隔15 d测定果实的维生素C（Vc）、可溶性糖、可溶性固形物、可溶性蛋白、水分和可滴定酸含量6个营养品质性状,共贮藏90 d,分析黑仙子1号小冬瓜使用不同包装材料的耐贮性。【结果】秋季栽培的黑仙子1号小冬瓜在11月下旬至12月上旬采收后的老瓜耐贮藏性较好,常规贮藏30-45 d除Vc含量有较大幅度下降外,其他营养品质含量变化不大;包装处理的小冬瓜贮藏后的营养物质含量均高于对照,尤以保鲜膜包装处理的小冬瓜营养物质含量最高,其在贮藏15、30、45和90 d后的Vc含量分别为44.79、24.13、16.31和0.17 mg/100 g。【结论】包装处理可提高黑仙子1号小冬瓜的耐贮性,其中保鲜膜是小冬瓜贮藏保鲜的最佳材料。

【Objective】Storability effects of different packaging materials on small wax gourd of Heixianzi 1 were discussed to provide references for fresh-keeping of small wax gourd. 【Method 】Small wax gourds of Heixianzi 1 were planted in autumn and their mature fruits were stored in winter in this experiment. The fruits were packaged with parafilm, grape wrapper, newspaper and black plastic with no package as the control. The small wax gourds were stored for 90 days at ambient temperature. During storage, six nutritional qualities including vitamin C, soluble sugar,soluble solid, soluble protein, water and titratable acid were determined every 15 days. And then the storability effects of different packaging materials on small wax gourd of Heixianzi 1 were analyzed. 【Result 】The mature fruits of small wax gourd of Heixianzi 1 harvested from the end of November to the beginning of December performed well during storage. The nutritional qualities of mature fruits changed little except vitamin C during conventional storage for 30-45 days. Nutritional qualities were higher in bagging treatments than in the control. Packed with parafilm, fruits＇ nutritional qualities were higher than other materials. Vitamin C in fruits packed with parafilm was the highest in each storage stage. Stored for 15,30,45 and 90 days, the content of vitamin C was 44.79,24.13,16.31 and 0.17 mg/100 g, respectively. 【Conclusion】Packaging can improve the storability of small wax gourd of Heixianzi 1. Fruits packed with parafilm have better storability effect than other materials.