To explore the effect of short-term ultra-low oxygen treatment on the storage quality of baby ginger, selecting the high barrier PET12/PE15/CPP30 composite membrane as the packaging material to construct the ultra-low oxygen (ULO) internal environment, set four groups, including non-ULO group (always drilling holes), long-term ULO group (no drilling holes), short-term ULO-1 microporous group (drilling one micropore after ULO for 3 days), and short-term ULO-2 microporous group (drilling two micropores after ULO for 3 days). The effects of short-term ULO treatment combined with microporous packaging constructed by high barrier packaging materials on sensory quality, membrane lipid oxidation, color and odor of baby ginger were studied. Results showed that both the long-term ULO group and the non-ULO group had bad effects on the quality of baby ginger. In the long-term ULO group, anaerobic respiration was induced during storage, resulting in the increase of the activities of pyruvate decarboxylase (PDC) and alcohol dehydrogenase (ADH), which increased the content of acetaldehyde and ethanol, aggravated the deterioration of the quality of baby ginger and produced peculiar smell. However, both the short-term ULO-1 microporous group and the short-term ULO-2 microporous group could form a low oxygen and high carbon dioxide gas environment suitable for baby ginger, avoid the generation of adverse odor, delay the generation rate of ·O-2, improve the activities of SOD and CAT, and inhibit the rise of relative conductivity and MDA content, so as to weaken the membrane lipid peroxidation, protect the integrity of cell membrane, inhibit the PPO activity, and slow down the consumption of total phenols. It had better color and sense, and the effect of the short-term ULO-1 microporous group was the best in all processing groups. Therefore, the short-term ULO treatment combined with microporous packaging could effectively maintain the storage quality of baby ginger, and the cost of using high-barrier packaging materials to build a ULO environment was very low, which could avoid the high-cost problem caused by the ULO environment formed by the modified atmosphere packaging machine (such as filling 100% nitrogen).
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