Abstract
ABSTRACTVessels suitable for storing mushrooms [Agaricus bisporus (Lange) Singe] at absolute pressures to 35 atm were constructed from 43 liter (1A) gas cylinders and plumbed for conducting static or continuous‐flow experiments. Neither pressurization nor gradual depressurization over 6 hr injured mushrooms. Pressure did not affect respiration, but significantly reduced moisture loss during storage. Mushrooms depleted O2 to very low levels and showed high tolerance to CO2. Pressure was used to safely increase CO partial pressure (p) 35‐fold. At 0.035p, CO reduced mushroom browning but not respiration. A completely autonomous storage system with CO2 removal and automatic O2, replenishment was developed.
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