为了明确不同包装方式对娃娃菜保鲜效果的影响，以娃娃菜为试材，采后放入4 ℃冷库，预冷24 h后装入泡沫箱（CK）、内装蓄冷剂的泡沫箱（T1）、温控箱（T2）、内装蓄冷剂的温控箱（T3）中贮藏，定期测定娃娃菜的生理指标、营养品质以及活性氧代谢相关指标等。结果表明，贮藏42 d时，T3组叶绿素、Vc和可溶性蛋白含量分别是0.016 mg/g、34.38 mg/100 g、1.34 mg/g，显著高于其他处理组（P<0.05）。另外，T3处理抑制了贮藏期间娃娃菜的呼吸强度和乙烯生成速率，推迟乙烯高峰的出现时间，延缓失重率的增加，抑制MDA和H2O2含量，使POD、SOD、CAT 活性保持在较高水平，PPO活性保持在较低水平，有效保持了娃娃菜的贮藏品质，并延长了贮藏期；对娃娃菜贮藏期间的指标进行聚类分析表明，内含蓄冷剂的温控箱包装更有利于娃娃菜的保鲜。综上，娃娃菜采后使用内含蓄冷剂的温控箱包装并置于4 ℃下存放，保鲜效果最佳，可为娃娃菜运输和贮藏提供新的思路。

In order to clarify the effects of different packaging methods on the fresh-keeping effect of baby cabbage, baby cabbage was taken as test material and put into 4 °C cold storage after harvest, after pre-cooling for 24 hours, and was stored in a foam box(CK), a foam box containing the refrigerant(T1) , a temperature-controlled box(T2) and a temperature-controlled box containing the refrigerant(T3), the physiological indexes, nutritional quality and active oxygen metabolism related indexes were measured regularly. The results showed that At 42 days of storage, the contents of chlorophyll, Vc and soluble protein in T3 group were 0.016 mg/g, 34.38 mg/100 g and 1.34 mg/g, respectively, which were significantly higher than those in other treatment groups (P<0.05). In addition, T3 treatment inhibited the respiration intensity and ethylene production rate during storage, postponed the time of ethylene peak, delayed the increase of weight loss rate, inhibited the contents of MDA and H2O2, and kept the activities of POD, SOD and CAT at a high level, PPO activity was kept at a low level, which effectively maintained the storage quality and extended the storage period of baby cabbage. The cluster analysis of indicators during the storage period of baby cabbage showed that the package of temperature-controlled box with inner refrigerant was more beneficial to the preservation of baby cabbage. To sum up, afterharvest baby cabbage, use a temperature-controlled box with inner refrigerant and store it at 4 ℃, which has the best fresh-keeping effect, and can provide a new idea for the transportation and storage of baby cabbage.

甘肃省科技计划重大项目（21ZD4NA016）