MYCOLab Ai Logo - gold and army green

Enhancing Nutritional Contents of Lentinus sajor-caju Using Residual Biogas Slurry Waste of Detoxified Mahua Cake Mixed with Wheat Straw

Summary

This research shows how waste products from biogas production can be recycled to grow more nutritious mushrooms. The scientists found that adding processed biogas waste to wheat straw significantly improved both mushroom yields and their nutritional content. This sustainable approach helps manage waste while producing healthy food. Impacts on everyday life: – Provides a way to produce more nutritious mushrooms for consumption – Helps reduce environmental waste by recycling biogas byproducts – Creates more sustainable and efficient food production methods – Improves the economic value of agricultural waste products – Demonstrates practical applications of circular economy principles

Background

Biogas has become an attractive renewable energy source globally, producing large amounts of residual biogas slurry (BGS) that needs proper management. BGS contains readily available nutrients and can potentially enhance crop yields and soil fertility. Mushroom cultivation offers a cost-effective and eco-friendly method for agricultural waste disposal while producing nutritious food.

Objective

To evaluate the use of residual biogas slurries from detoxified mahua cake and cow dung as supplements to enhance the yield and nutritional quality of Lentinus sajor-caju mushrooms grown on wheat straw.

Results

Supplementation with 20% BGS gave maximum mushroom yield of 1155 g/kg dry substrate, showing 95.1% increase over control. Significant increases were observed in protein content (29.6-38.9%), sugars (29.1-32.3%) and minerals (N, P, K, Fe, Zn) in the fruit bodies. The mushrooms contained 16 amino acids including essential ones. HPLC confirmed absence of toxic saponin residues in mushrooms and spent substrate. FTIR showed significant degradation of complex molecules in spent substrate.

Conclusion

The study demonstrated that supplementing wheat straw with biogas slurries from detoxified mahua cake significantly enhanced both yield and nutritional quality of L. sajor-caju mushrooms while providing an effective way to manage biogas waste. The approach proved beneficial for producing nutritious mushrooms and spent with improved digestibility and feed quality.
  • Published in:Frontiers in Microbiology,
  • Study Type:Experimental Study,
  • Source: 10.3389/fmicb.2016.01529
Scroll to Top