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International Journal of Medicinal Mushrooms

Publicou 12 edições por ano

ISSN Imprimir: 1521-9437

ISSN On-line: 1940-4344

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00066 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.34 SJR: 0.274 SNIP: 0.41 CiteScore™:: 2.8 H-Index: 37

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Physiological and Chemical Variations in the Cultivated Culinary-Medicinal Maitake Mushroom Grifola frondosa (Dicks.: Fr.)S.F. Gray (Aphyllophoromycetideae) in Conjunction with Strain, Substrate, and Technical Treatments

Volume 6, Edição 3, 2004, 12 pages
DOI: 10.1615/IntJMedMushr.v6.i3.60
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RESUMO

We have compared the physiology and metabolite production profiles of five strains of culinary—medicinal maitake mushroom Grifola frondosa (Dicks.: Fr.) S.F.Gray originating from three continents. Growth rate on agar-malt medium, colonization rate on four substrates varying in their C/N value, and vegetative resistance against the mycoparasite Trichoderma viride Pers. were evaluated. Results showed great variation among strains and within a given strain on various substrates. Fruiting capacities of these strains also showed various adaptation to substrates but were not correlated with colonization rate or resistance. Comparison of dichloromethan and methanol fruit bodies extracts by thin layer chromatography (TLC) and high-pressure liquid chromatography (HPLC) showed mainly a great variation in the metabolite profiles in depending on the mycelium preservation technique used (freezing or not, drying or lyophilization), but also in the function of the nature of the medium and the strains, indicating the importance of the method in the cultivation and treatment of this species. Only a few positive activities were found in the biological tests against Bacillus subtilis, Escherichia coli, and Trichoderma viride. Moreover, these activities were weak and all linked to degradation products.

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