At day 10 of storage, hardness of the untreated samples declined by an average of 87.6, 88.8 and 88.9% for UT1, UT2 and UTC, respectively. Corresponding values for the treated samples at the end of storage period were 25.2, 49.4 and 82.2% for T1, T2 and TC, respectively. Reductions in firmness of MA packed mushrooms during storage have also been reported by earlier researchers