Mycoflora of cork after exploitation and storage in a cork oak forest of the West North of Algeria
Keywords:
Cork, fungal flora, cork plantations, cork oak stands, West Algeria.Abstract
Introduction: The present work, concerns the investigation of the mycoflora of cork stored in M'sila’s forest (western Algeria) to dry before using in industry.
Methods: 15 planks of cork taken at random from different parts of the storage piles were analyzed before and after boiling. Fungi identification based on morphological and molecular (rDNA) characteristics
Results: An initial list of 31 species belonging to several systematic genera were isolated. The most important, appearing in cork before and after treatment, belong to the genera Penicillium, Aspergillus, Alternaria, Cladosporium and the Mucorales order. Some species belonging to these genera have already proved their ability to produce volatile components such as TCA in cork and cork stoppers in other studies around the world. Other species, however, have only appeared in unboiled cork, such as Trichoderma sp, Fusarium sp, Gelasinospora brevispora, Sordaria humana, and two basidiomycetes indicative of high humidity and poor cork storage conditions, Coprinus xanthothrix and Schizopphyllum commune.
Conclusion: The natural cork stoppers industry requires the use of healthy cork boards of a good mycological quality to avoid denaturing corked food products.
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