The Edible Gray Oyster Fungi Pleurotus Ostreatus (Jacq. Ex Fr.) P. Kumm a Potent Waste Consumer, a Biofriendly Species with Antioxidant Activity Depending on the Growth Substrate

Overview

Journal J Fungi (Basel)

Date 2022 Mar 25

PMID 35330276

Authors

Raluca A Mihai

Erly J Melo Heras

Larisa I Florescu

Rodica D Catana

Affiliations

Soon will be listed here.

Abstract

Nowadays, climate change is not the only threat facing our planet. There are also other types of pollution such as waste that poisons soils and water and kills plants, harming humans and animals. Sustainability represents a key issue for the actual Global Citizen. For this reason, our article is dedicated to offering biofriendly solutions to decrease wastes, give them a positive meaning, such as a substrate for an edible oyster fungus with nutritive and biological properties usefully for humans. Three types of wastes such as coconut coir, pine sawdust, and paper waste-representative symbols of pollution in Ecuador-have been tested as suitable growing substrate for the edible fungi (Jacq. ex Fr.) P. Kumm by analyzing parameters such as , , . The influence of these "waste" substrates on the nutritive (protein content), biological characteristic (antioxidant activity), and the content of human-health-sustaining compounds (phenols, flavonoids) were also evaluated using the Kjeldahal, DPPH, ABTS, FRAP, and Folin-Ciocalteu methods. The results indicate that all the waste products represent desirable substrates for growing the edible fungi, with more focus on coconut coir waste (one of the principal pollution problems in Ecuador), but that also achieved the increase in the fungi's desirable characteristics. Coconut coir waste could be an environmentally friendly solution that also offers for humans additional nutritive and healthy benefits.

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