Olive Mill Waste Enhances α-Glucan Content in the Edible Mushroom Pleurotus eryngii

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ID: 270440
2017
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Abstract
Mushroom polysaccharides are edible polymers that have numerous reported biological functions; the most common effects are attributed to β-glucans. In recent years, it became apparent that the less abundant α-glucans also possess potent effects in various health conditions. Here we explore several Pleurotus species for their total, β and α-glucan content. Pleurotus eryngii was found to have the highest total glucan concentrations and the highest α-glucans proportion. We also found that the stalks (stipe) of the fruit body contained higher glucan content then the caps (pileus). Since mushrooms respond markedly to changes in environmental and growth conditions, we developed cultivation methods aiming to increase the levels of α and β-glucans. Using olive mill solid waste (OMSW) from three-phase olive mills in the cultivation substrate. We were able to enrich the levels mainly of α-glucans. Maximal total glucan concentrations were enhanced up to twice when the growth substrate contained 80% of OMSW compared to no OMSW. Taking together this study demonstrate that Pleurotus eryngii can serve as a potential rich source of glucans for nutritional and medicinal applications and that glucan content in mushroom fruiting bodies can be further enriched by applying OMSW into the cultivation substrate.
Reference Key
avni2017internationalolive Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sharon Avni;Nirit Ezove;Hilla Hanani;Itamar Yadid;Michal Karpovsky;Hilla Hayby;Ofer Gover;Yitzhak Hadar;Betty Schwartz;Ofer Danay;Avni, Sharon;Ezove, Nirit;Hanani, Hilla;Yadid, Itamar;Karpovsky, Michal;Hayby, Hilla;Gover, Ofer;Hadar, Yitzhak;Schwartz, Betty;Danay, Ofer;
Journal International journal of molecular sciences
Year 2017
DOI
10.3390/ijms18071564
URL
https://www.mdpi.com/1422-0067/18/7/1564
Keywords
pleurotus eryngii β-glucans α-glucans pleurotus species olive mill solid waste (omsw)

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