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First Record of the Edible Mushroom Lepista sordida in Western Algerian Forest: Nutritional Value and Physicochemical Parameters of Mycelial Culture

Summary

Researchers in Algeria discovered Lepista sordida, an edible purple mushroom, for the first time in western Algerian forests. They identified the species using DNA analysis and studied how to grow it in laboratories by testing different temperature, humidity, and pH levels. The mushroom is highly nutritious, containing significant amounts of protein and carbohydrates, making it valuable for improving local diets and addressing nutritional deficiencies.

Background

Lepista sordida is an edible wild mushroom of culinary importance that has been successfully cultivated in various regions but was previously unrecorded in western Algeria. This study documents the first occurrence of this species in Tlemcen forest and investigates its potential for cultivation and nutritional applications.

Objective

To identify and characterize Lepista sordida collected from western Algerian forests using morphological and molecular methods, determine optimal physicochemical conditions for mycelial cultivation, and evaluate the nutritional composition of harvested sporophores.

Results

Lepista sordida was confirmed through molecular sequencing (GenBank accession MZ928450.1) and phylogenetic analysis. Optimal growth conditions identified were pH 5.6, temperature 25°C, and relative humidity 80-95%. Sporophores exhibited high nutritional value with moisture 67.23%, protein 17.22%, carbohydrates 63.83%, ash 9.35%, and fat 3.25%.

Conclusion

This study represents the first documented record of Lepista sordida in western Algeria and establishes optimal cultivation parameters for commercial production. The mushroom demonstrates significant nutritional value, making it promising for addressing dietary mineral and vitamin deficiencies while supporting local food security.
  • Published in:Journal of Fungi,
  • Study Type:Observational Study; Experimental Research,
  • Source: 10.3390/jof9080858; PMID: 37623629
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