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International Journal of Medicinal Mushrooms

Published 12 issues per year

ISSN Print: 1521-9437

ISSN Online: 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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In Vitro and In Vivo Antihyperglycemic Activities of Medicinal Mushrooms (Agaricomycetes) from India

Volume 23, Issue 2, 2021, pp. 29-41
DOI: 10.1615/IntJMedMushrooms.2021037630
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ABSTRACT

Recent research focuses on exploring natural resources to improve the management of type 2 diabetes and to reduce the precarious health effects of synthetic drugs. This investigation aimed to appraise the antihyperglycemic potential of hydroalcoholic (70% ethanol) extracts of Inonotus pachyphloeus, Phellinus allardii, Ph. fastuosus, Ph. gilvus, Ph. sanfordii, and Ph. torulosus. Antihyperglycemic potential was screened using an in vitro inhibition of enzymatic starch digestion assay model. The amount of glucose liberation was determined using the 3,5-dinitrosalicylic acid method. Mushroom extracts showed a concentration-dependent inhibition of α-amyalse and α-glucosidase and a consequent decrease in glucose liberation. Extracts of Ph. fastuosus (half-maximal inhibitory concentration [IC50] = 27.33 ± 1.45 mg/mL) and Ph. sanfordii (IC50 = 30.33 ± 0.88 mg/mL) causing comparable inhibition of α-amyalse and α-glucosidase and decreased glucose liberation were evaluated in vivo through oral starch tolerance and oral glucose tolerance tests using Wistar albino rats. Acarbose (10 mg/kg body weight) was used as a positive control. The extracts of Ph. fastuosus and Ph. sanfordii (100, 200, and 400 mg/kg body weight) showed a dose-dependent decrease in blood glucose concentration, and this decrease was greater in starch-fed rats than in glucose-loaded rats. Ph. fastuosus and Ph. sanfordii extracts (200 and 400 mg/kg body weight) significantly reduced postprandial hyperglycemic peaks in rats challenged with excess starch and glucose. This decrease was statistically comparable to acarbose with Ph. fastuosus extract (400 mg/kg body weight). Thus, it may be concluded that the antihyperglycemic effect of Ph. fastuosus and Ph. sanfordii is mediated by inhibition of starch digestion (inhibition of α-amylase and α-glucosidase). Hence, Ph. fastuosus and Ph. sanfordii can be developed as natural antidiabetic drugs after detailed pharmacological studies.

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CITED BY
  1. Dare Ayobami, Channa Mahendra L., Nadar Anand, L-ergothioneine and metformin alleviates liver injury in experimental type-2 diabetic rats via reduction of oxidative stress, inflammation, and hypertriglyceridemia, Canadian Journal of Physiology and Pharmacology, 99, 11, 2021. Crossref

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