Effect of ethanol treatment on the preservation of Agaricus bisporusstorage in different periods
LIU Jin, LI Yunyun, CHENG Sheng, HE Xinyao, ZHANG Min*
(College of Food Science, Food Storage and Logistics Research Center, Southwest University,Laboratory of Quality & SafetyRisk Assessment for Argo-products on Storage and Preservation(Chongqing),Mimnistry of Agriculture, Chongqing 400715, China)
Abstract: The effect of ethanol fumigation treatment on the quality of Agaricus bisporus after harvest was studied by fumigation treatment on the 0 th, 4 th and 8 th day of the storage with an ethanol concentration of 400 μL/L. The results showed that compared with pre-storage treatment(day 0), Agaricus bisporus which were treated at early stage of storage(day 4) had a significant effect in reducing respiratory intensity while it is slightly less effective in inhibiting phenylalamine ammonia-lyase (PAL) activity and maintaining hardness in the later storage period (P<0.05). As for relative conductivity, total phenolic content, total number of colonies, polyphenol oxidase (PPO) activity, peroxidase (POD) activity, whiteness and sensory evaluation, there was no significant difference between the two groups. The later storage treatment group (day 8) could not effectively inhibit the increase of respiratory intensity even though it could reduce the PPO enzyme activity. In addition, whiteness and hardness, which connected with sensory evaluation, were not effectively maintained in the later storage treatment group. Therefore, if Agaricus bisporus cannot be used for ethanol fumigation before storage, treatment at an early stage of storage is an effective remedy for preservation, but it is not recommended to treat it at the later stage of storage.
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LIU Jin,LI Yunyun,CHENG Sheng,et al. Effect of ethanol treatment on the preservation of Agaricus bisporusstorage in different periods[J]. Food and Fermentation Industries, 2020, 46(4): 227-233.
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