为探究不同振动频率对蒜薹贮藏品质的影响，试验通过将蒜薹置于振动试验台并进行4种不同频率的振动处理。实验比较各种处理方式下蒜薹在20 ℃条件贮藏16 d时的呼吸速率、可溶性固形物、相对电导率、过氧化物酶、超氧化物歧化酶酶、过氧化氢酶和丙二醛含量的变化情况。研究结果表明：振动处理使得蒜薹在贮藏期间的品质不断下降。其中，振动频率最低的处理组2（100 Hz）在贮藏到第16 d时，相较于未经振动处理的蒜薹，呼吸速率上升了2.03倍，可溶性固形物含量为对照组的89.66%，过氧化物酶（POD）含量为对照组的1.88倍，超氧化物歧化酶酶含量上升了1.33倍，过氧化氢酶活性上升了1.88倍，丙二醛（MDA）含量上升了1.07倍，电导率提高了1.09倍。研究还表明蒜薹对振动影响的忍耐程度各不相同，其品质下降的速度为：处理组2（100 Hz）>处理组3（50 Hz）>处理组4（2 Hz）>未处理组。其中，振动频率最高的处理组2（100 Hz）使得蒜薹的品质严重下降（p< 0.05）。

In order to explore the effects of different vibration frequencies often encountered during road transport on the storage quality of garlic shoot, the garlic shoots were placed on the vibration test bench and subjected to treatments with four different vibration frequencies. Comparisons were made on the changes in respiratory rate, hardness, relative conductivity, peroxidase activity, superoxide dismutase activity, catalase activity, and malondialdehyde content of the garlic shoots that have been treated at the four vibration frequencies and then stored at 20 ℃. The obtained results showed that the vibration treatment caused an decrease in the storage quality of garlic shoots. Especially after the storage of 16 days, the treatment group 2 (at 100 Hz) had an increased respiration rate (by 2.03 times), decreased soluble solids content (by 10.34%), d increased peroxidase activity (by 1.88 times), increased malondialdehyde content (by 1.07 times), increased superoxide dismutase content (by 1.33 times), increased catalase activity (by 1.88 times), and increased conductivity (by 1.09 times), compared to the untreated group (no vibration treatment). Results also showed that the endurance of garlic shoots to vibration at different frequencies varied, and the decreasing rate of quality followed this order: treatment group 2 (100 Hz) > treatment group 3 (50 Hz) > treatment group 4 (2 Hz) > untreated group. Among them, the treatment group 2 (which was exposed to the highest frequency, 100 Hz) caused significantly decreased quality of garlic shoots (p < 0.05).

天津市林果现代农业产业技术体系创新团队任务书项目（ITTFPRS2018010）；天津市科技计划项目（16YFZCNC00680）