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Production and Composition of Pleurotus ostreatus Cultivated on Lithovit®-Amino25 Supplemented Spent Substrate

Summary

This research explored using a nano-fertilizer containing amino acids to improve oyster mushroom production on recycled growing material. The study found that adding this supplement in specific amounts and timing could significantly increase mushroom yields and quality while making better use of waste materials. Impacts on everyday life: – More efficient mushroom production could lead to lower consumer prices – Better recycling of agricultural waste materials reduces environmental impact – Improved mushroom protein content provides better nutrition value – Demonstrates sustainable farming practices that conserve resources – Shows potential for using nanotechnology to enhance food production

Background

Nanotechnology has shown increasing potential for improving agricultural productivity, as conventional farming technologies reach their limits. Mushrooms, particularly Pleurotus ostreatus (oyster mushrooms), are commercially important edible fungi that can grow on various lignocellulosic materials. The spent mushroom substrate (SMS) generated after harvests is nutritious but requires supplementation for optimal re-use in mushroom cultivation.

Objective

To investigate the effects of a nano-fertilizer (Lithovit®-Amino25) containing 25% l-amino acids on Pleurotus ostreatus growth, production, and amino acid composition when used as a supplement for spent oyster mushroom substrate.

Results

The first harvest occurred 2.3-3.3 days earlier with nano-fertilizer application at spawning. Double application of 3 g/kg resulted in four harvests instead of three, with 36.7% higher biological yield and 36.4% higher economic yield. This treatment also showed optimal biological efficiency (117.3%) and enhanced lignin degradation. Protein content increased with 5 g/kg application at spawning, while essential amino acids improved with 3 g/kg application.

Conclusion

Lithovit®-Amino25 shows high potential for use in P. ostreatus cultivation, particularly when applied at 3 g/kg twice during the production cycle. The supplement improved biological yield while allowing farmers to save on substrate and supplement costs through lower required doses.
  • Published in:AMB Express,
  • Study Type:Experimental Study,
  • Source: 10.1186/s13568-020-01124-1
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