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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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Antimutagenic Activity of Methanolic Extract of Culinary-Medicinal Oyster mushroom, Pleurotus ostreatus (Jacq.:Fr.) Kumm. (strain florida Eger nom. nud.) and Its Protective Effect Against Benzo [a] Pyrene-Induced Hepatic Damages

Volume 6, Numéro 2, 2004, 12 pages
DOI: 10.1615/IntJMedMushr.v6.i2.50
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RÉSUMÉ

Oyster mushrooms (Pleurotus species) are excellent culinary-medicinal and commercially cultivated mushrooms. Investigations were carried out to evaluate the antimutagenic activity of the methanolic extract of Pleurotus ostreatus strain florida and its protective effect against Benzo [a] pyrene (B[a]P)-induced hepatic damages. The antimutagenic activity of the extract was assayed by Ames Salmonella mutagenicity test using histidine mutant standard Salmonella typhimurium tester strains, TA98, TA100, and TA102. The extract of the P. ostreatus strain florida significantly reduced (p < 0.001) the in vitro sodium azide (NaN3), N-methyl-N-nitro-N-nitrosoguanidine (MNNG) and 4-nitro-o-phenylene-diamine (NPD), 2-acetamidoflourene (2-AF), and B[a]P-induced his+ revertants in a dose-dependent manner. In vivo antimutagenic activity of extracts was also determined by assaying the mutagenicity of the urine of rat to which B[a]P had been administered as mutagen.The prior administration of P. ostreatus strain florida extract to rat markedly inhibited in vivo mutagenicity caused by B[a]P. The results thus indicated that P. ostreatus strain florida extract possessed significant antimutagenic activity. The status of hepatic transaminases such as serum glutamate oxaloacetate transaminases (SGOT), glutamate pyruvate transaminase (GPT) and alkaline phosphatase activities (ALP) were evaluated in the group of animals treated with B[a]P. Treatment with the extract prevented the increase in SGOT, SGPT, and ALP activities consequent on B[a]P administration. The extract enhanced the levels of reduced glutathione (GSH) and activities of glutathione peroxidase (GPx), glutathione-s-transferase (GST), superoxide dismutase, and catalase (CAT).The extract also showed a profound inhibiting effect on lipid peroxidation induced by B[a]P. The results indicated that the P. ostreatus strain florida extract restored depleted antioxidant defense consequent to the challenge by the carcinogen.

CITÉ PAR
  1. Das Banani, De Biplab, Chetree Rishiraj, Mandal Subhash C., Medicinal Aspect of Mushrooms: A View Point, in Herbal Medicine in India, 2020. Crossref

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