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Biological Efficiency, Nutritional Composition, and Bioactive Compound Contents of the Lung Oyster Mushroom Pleurotus pulmonarius (Agaricomycetes) Cultivated on Spent Mushroom Substrates

  • 0Department of Nutrition and Health Science, Chungchou Institute of Technology, Yuanlin, Changhua 51003, Taiwan, ROC; Department of Food Science, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 40704, Taichung, Taiwan.
International Journal of Medicinal Mushrooms +

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March 18, 2025

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March 18, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Spent mushroom substrate (SMS) effectively replaces traditional substrates for growing Pleurotus pulmonarius mushrooms. This approach enhances mushroom yield and bioactive compounds while managing agricultural waste.

Area Of Science

  • Mycology
  • Agricultural Science
  • Biotechnology

Background

  • Spent mushroom substrate (SMS) is a significant agricultural byproduct, often underutilized.
  • Current disposal methods for SMS are environmentally suboptimal, presenting waste management challenges.
  • Organic fertilizers are one application, but SMS has potential as a cultivation medium.

Purpose Of The Study

  • To assess the efficacy of various spent mushroom substrates (SMS) as a replacement for conventional substrates in Pleurotus pulmonarius cultivation.
  • To evaluate the impact of different SMS types on mushroom yield, biological efficiency, nutritional content, and bioactive compounds.

Main Methods

  • Seven distinct types of SMS were utilized as cultivation substrates for Pleurotus pulmonarius.
  • Cultivation trials were conducted to measure key performance indicators.
  • Analysis included yield, biological efficiency, proximate nutritional composition, and quantification of specific bioactive compounds (ergothioneine, adenosine).

Main Results

  • Spent mushroom substrate from Agaricus marmoreus yielded the highest results, with 253.88 g/bag and 63.47% biological efficiency.
  • Significant variations in nutritional composition were observed across fruiting bodies grown on different SMS.
  • Maximal ergothioneine (2.17 mg/g dry matter) and adenosine (7.71 mg/g dry matter) levels were detected in fruiting bodies cultivated on P. pulmonarius and Hymenopellis radicata SMS, respectively.

Conclusions

  • Spent mushroom substrate is a viable and efficient alternative medium for cultivating Pleurotus pulmonarius.
  • Utilizing SMS can significantly reduce Pleurotus pulmonarius cultivation costs.
  • This study demonstrates an effective strategy for managing spent mushroom substrate waste while enhancing mushroom production.