Utilization of lignocellulosic waste by the edible mushroom, Pleurotus

Yitzhak Hadar*, Zohar Kerem, Barbara Gorodecki, Orly Ardon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Lignocellulosic waste represents huge amounts of unutilized renewable resource. The use of the polysaccharides in the lignocellulosic complex is limited due to their high lignin content. White rot fungi are capable of selectively degrading lignin, thereby upgrading it. The focus of this article is on the potential utilization of edible mushrooms of the genus Pleurotus, via solid state fermentation, using cotton plant stalks as a substrate. This material poses agrotechnical problems since the stalks have a fibrous structure similar to that of hardwood. Potential uses for this material are as a fuel in rural areas, a substrate for mushrooms, an animal feed and substrate for paper making. In this study, degradation of cotton stalks by Pleurotus is described using chemical analyses and scanning electron microscopy. During four weeks of solid state fermentation, lignin content significantly decreased and in vitro digestibility was increased. The fermentation product was consumed by ruminants at a level of up to 40% of their diet.

Original languageAmerican English
Pages (from-to)189-205
Number of pages17
Issue number2-3
StatePublished - Jun 1992


  • Pleurotus
  • lignin degradation
  • lignocellulose utilization
  • solid state fermentation


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