In order to prolong the storage period of Pleurotus eryngii, fresh Pleurotus eryngii was stored in different ways (2 ℃ + PE storage as control, apple polyphenol chitosan composite membrane + PE storage at 2 ℃ as treatment group A, and 3.6 kJ/m2 UV irradiation + apple polyphenol chitosan composite membrane + PE storage at 2 ℃ as treatment group B). The results showed that compared with the control group, treatment group A and group B could effectively inhibit the increases in respiratory intensity, weight loss rate, PPO activity, and MDA content of Pleurotus eryngii, and significantly inhibited the reductions in VC content, SOD activity and soluble protein content (P<0.05). On the 15th day of storage, the respiratory intensity, weight loss rate, PPO activity and MDA content of treatment group B decreased by 70.07%, 62.52%, 40.89% and 23.85%, respectively, while the VC content, SOD activity and soluble protein content were 1.93, 1.28 and 1.64 times of the control, respectively. Overall, these results provide a good theoretical basis for low temperature storage of Pleurotus eryngii.
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