Abstract
The genus Pleurotus is the third most commonly produced edible fungi in the world. In addition, species of genus Pleurotus have functional properties such as anticancer, antiviral, antimicrobial, anti-inflammatory, and antioxidant activities, which are mainly attributed to phenolic compounds. For these reasons, this study evaluated the productivity and antioxidant activity (AA) of 2 wild strains (white and pink), 2 reconstituted strains (called "BB" and "RR"), and 4 hybrid strains (H1, H2, H3, and H4) of P. djamor from monokaryotic components (neohaplonts). The results showed that the white wild-type strain and the reconstituted strains exhibited the best production potential, expressed as biological efficiency and mycelial growth rate. The carpophores of hybrid strains H1 and H3 had the greatest AA, as evaluated with DPPH radical scavenging and reducing power assays, respectively. The H3 strain had the highest total phenol (TP) content. Pearson correlations led us to conclude that the mycelial growth rate has a regular inverse correlation with TP and a regular direct correlation with AA of methanolic extracts from carpophores and myce-lia. This is, to our knowledge, the first report in the literature about the effect of Pleurotus strain hybridization through a chemical de-dikaryotization process on TP content.
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