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International Journal of Medicinal Mushrooms

Publication de 12  numéros par an

ISSN Imprimer: 1521-9437

ISSN En ligne: 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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Comparative Examination of Polysaccharide Synthesis by Medicinal Mushrooms from the Genus Lentinus Fr. (Agaricomycetideae)

Volume 12, Numéro 2, 2010, pp. 123-132
DOI: 10.1615/IntJMedMushr.v12.i2.20
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RÉSUMÉ

The effect of culture conditions on growth and polysaccharide production by Lentinus edodes, L. lepideus, and L. tigrinus was investigated. These fungi accumulated 11.2−14.0 g/L biomass, 2.0−5.0 g/L exopolysaccharides, and 4.0%−10.2% endopolysaccharides on optimal glucose-peptone media. The maximum amount of endopolysaccharides (9.5%−10.2%) was found in L. lepideus biomass, whereas the highest level of exopolysaccharide synthesis (4.5−5.0 g/L) was observed in L. edodes. The specific growth rate of the fungi (μ) equaled 0.010 g/L for L. edodes, 0.020 g/L for L. lepideus, and 0.025 g/L for L. tigrinus; productivity of exopolysaccharide synthesis: 550, 300, and 500 mg/L per day, respectively; and productivity of endopolysaccharide synthesis: 40, 170, and 140 mg/L per day respectively. Fungal polysaccharides combined both high-molecular-weight fractions (Mr = 200−2000 kDa) and low-molecular-weight fractions (Mr < 10 kDa). As to carbohydrate composition, polysaccharides of investigated fungi were identified as heteroglycans, with glucose as the dominant monomer and minor amounts of arabinose, galactose, xylose, and mannose. For physical-chemical properties, a close similarity was shown between the polysaccharides of L. tigrinus and L. edodes.

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