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International Journal of Medicinal Mushrooms
Solomon P. Wasser (open in a new tab) International Centre for Biotechnology and Biodiversity of Fungi, Institute of Evolution and Faculty of Natural Sciences, University of Haifa, Mt. Carmel, Haifa 31905, Israel
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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Indole Compounds in Some Culinary-Medicinal Higher Basidiomycetes from Poland

pages 449-454
DOI: 10.1615/IntJMedMushr.v13.i5.40
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ABSTRACT

Methanolic extracts of two species collected from natural habitats in Poland, Boletus edulis and Suillus luteus, and one species from a commercial source, Pleurotus ostreatus, were analyzed for the presence of non-hallucinogenic indole compounds. The contents of indole compounds in these species were both qualitatively and quantitatively diverse, ranging from 0.01 to 34.11 mg/100 g d.w. Two of 11 tested indole compounds, 5-hydroxytryptophan (0.18, 2.08, 1.63 mg/100 g d.w.) and serotonin (6.52, 10.14, 34.11 mg/100 g d.w.), were present in all three species under study. B. edulis and S. luteus were found to contain L-tryptophan (0.39 and 2.61 mg/100g d.w.) and melatonin (0.68 and 0.71 mg/100 g d.w.). Tryptamine was present in two species, i.e., B. edulis (1.17 mg/100 g d.w.) and in P. ostreatus (0.91mg/100 g d.w.), in which slight amounts of indole acetonitrile (0.04 and 0.01 mg/100 g d.w., respectively) were also identified. Indoleacetic acid was a common metabolite for P. ostreatus and S. luteus and its contents amounted to 0.21 and 0.04 mg/100 g d.w., respectively. Indole compounds degradation products kynurenic acid (2.63 mg/100 g d.w.) and kynurenine sulfate were (19.57 mg/100 g d.w.) were observed only in S. luteus.

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