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International Journal of Medicinal Mushrooms
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ISSN Druckformat: 1521-9437
ISSN Online: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v18.i1.70
pages 59-65

Taxonomic Identity, Geographic Distribution, and Commercial Exploitation of the Culinary-Medicinal Mushroom Pleurotus nebrodensis (Basidiomycetes)

Giuseppe Venturella
Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy
Georgios I. Zervakis
Laboratory of General and Agricultural Microbiology, Agricultural University of Athens, Athens, Greece
Elias Polemis
Laboratory of General and Agricultural Microbiology, Agricultural University of Athens, Athens, Greece
Maria Letizia Gargano
Department of Agricultural and Forest Sciences University of Palermo Viale delle Scienze, Bld. 5, 90128 Palermo, Italy

ABSTRAKT

An updated overview of the outcome of studies conducted on the culinary-medicinal mushroom Pleurotus nebrodensis is presented by placing emphasis on the clarification of the taxonomic identity of P. nebrodensis and other related taxa possessing entirely white to cream basidiomes, which grow in association with different plants of the family Apiaceae. Cultivation techniques, quality of the product sold and sales price, as well as nutritional and medicinal aspects are discussed. Taking also into consideration the high economic importance of P. nebrodensis, it is essential to proceed with the verification of the commercial strains currently available in the international market under the name of "P. nebrodensis" since it is very probable that many (or most) of them do not represent the real P. nebrodensis. TO confirm this hypothesis, an in silico analysis was conducted on a large of number of ITS1-5.8S-ITS2 rRNA sequences deposited in the National Center for Biotechnology Information database under the name P. nebrodensis. Results demonstrated that all "P nebrodensis" material examined from China (plus several sequences of no reported origin) corresponded to P. eryngii subsp. tuoliensis, with only 2 exceptions, which were grouped within P. eryngii sensu stricto. The real P. nebrodensis biological material from Italy and Greece is certified and is available upon request by the authors at the University of Palermo and the Agricultural University of Athens.


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