It is well known that polyphenols are one of the major contributors to the free radical scavenging activity of fruit, vegetables and mushrooms. For this reason, in this study the effects of MAP and chemical treatment on total polyphenols concentration and free radical scavenging activity of mushrooms were determined. The initial concentration of total phenolics was 3.5mg of tannic acid equivalents/g of dry weight. Previous reports have
shown total phenolic content of 29.30–42.47mg GAE/g dry weight and 3.1mg GAE/g dry extract for various mushroom varieties. A significant reduction (P < 0.05) in total phenolic content was found in all the samples during the storage period (Fig. 1D). At the end of the study, reduction in total phenolic content was found to be 6.8, 23.7 and 27.7% for T1, T2 and TC, respectively. Untreated samples lost more than 50% phenolic content at day 10 of storage. These results were consistent with the DPPH assay. The findings of this study corroborated with the findings of earlier researchers.
It is well known that polyphenols are one of the major contributors to the free radical scavenging activity of fruit, vegetables and mushrooms. For this reason, in this study the effects of MAP and chemical treatment on total polyphenols concentration and free radical scavenging activity of mushrooms were determined. The initial concentration of total phenolics was 3.5mg of tannic acid equivalents/g of dry weight. Previous reports haveshown total phenolic content of 29.30–42.47mg GAE/g dry weight and 3.1mg GAE/g dry extract for various mushroom varieties. A significant reduction (P < 0.05) in total phenolic content was found in all the samples during the storage period (Fig. 1D). At the end of the study, reduction in total phenolic content was found to be 6.8, 23.7 and 27.7% for T1, T2 and TC, respectively. Untreated samples lost more than 50% phenolic content at day 10 of storage. These results were consistent with the DPPH assay. The findings of this study corroborated with the findings of earlier researchers.
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