Humidity-regulating tray for packaging of mushrooms

A major postharvest challenge for mushrooms is the high transpiration rate resulting in rapid weight loss and the risk of water vapour condensation inside the package. Researchers at the Leibniz Institute for Agricultural Engineering in Germany investigated the transpiration behaviour of mushrooms and assessed the impact of a salt embedded humidity-regulating tray.
The humidity-regulating tray better maintained the quality of mushrooms compared to the control-PP tray, but it absorbed only 4.1 g of water vapour in 6 days which was not enough to prevent water condensation in the package headspace. An article about the research is published in Postharvest Biology and Technology.
Click here for an abstract of the article.
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