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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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Biological Activities of the Polysaccharides Produced from Different Sources of Xylaria nigripes (Ascomycetes), a Chinese Medicinal Fungus

Volume 17, Numéro 2, 2015, pp. 141-150
DOI: 10.1615/IntJMedMushrooms.v17.i2.50
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RÉSUMÉ

Xylaria nigripes, a local rare medicinal fungus, has multi-antioxidant activities owing to its water extraction as shown by previous research. However, the main indicator causing the antioxidant effect was not clear, so this research focused on the antioxidant activities from different sources of X. nigripes such as fruiting body polysaccharides, mycelium intracellular polysaccharides, mycelium extracellular polysaccharides, and their deproteinization products. The mycelium intracellular polysaccharide (XnIPS-1) from X. nigripes showed the highest reducing power of antioxidant activity, since it revealed the lowest IC50 values in all the assayed methodologies. The IC50 values of chelating ferrous ion ability, ABTS radical scavenging activity, and DPPH free radical scavenging were 1412, 174.25, and 351.56 µg/mL, respectively. In addition to these results, this research also explored the mechanism between polysaccharides and antioxidants compared by FT-IR analysis. The spectrum shows that the X. nigripes polysaccharide structure changed after the proteins were removed.

CITÉ PAR
  1. Jhan Mei-Hsin, Yeh Ching-Hua, Tsai Chia-Chun, Kao Ching-Tian, Chang Chao-Kai, Hsieh Chang-Wei, Enhancing the Antioxidant Ability of Trametes versicolor Polysaccharopeptides by an Enzymatic Hydrolysis Process, Molecules, 21, 9, 2016. Crossref

  2. Divate Rupesh D., Wang Chiun-Chuang, Chou Su-Tze, Chang Chen-Tien, Wang Pei-Ming, Chung Yun-Chin, Production of Xylaria nigripes-fermented grains by solid-state fermentation and an assessment of their resulting bioactivity, LWT - Food Science and Technology, 81, 2017. Crossref

  3. Lai Ming-Nan, Hsu Hui-Chen, Ng Lean-Teik, Safety assessment of the standardized aqueous extract from solid-state cultured Xylaria nigripes (Wuling Shen) in rats, Clinical Phytoscience, 7, 1, 2021. Crossref

  4. Li Jing, Li Lan-Qing, Long Hong-Ping, Liu Jian, Jiang Yue-Ping, Xue Ying, Wang Wen-Xuan, Tan Gui-Shan, Gong Zhi-Cheng, Liu Ji-Kai, Xylarinaps A–E, five pairs of naphthalenone derivatives with neuroprotective activities from Xylaria nigripes, Phytochemistry, 186, 2021. Crossref

  5. Li Jing, Jiang Yue-Ping, Li Lan-Qing, Long Hong-Ping, Liu Hai-Tao, Yang Rong, Liu Shao, Wang Wen-Xuan, Liu Ji-Kai, A pair of new chromone enantiomers from Xylaria nigripes, Natural Product Research, 2022. Crossref

  6. Keekan K. K., Ranadive K. R., Naik P., Sendker J., Padmaraj S. R., Anti-Methicillin-Resistant S. aureus Activity of Fruiting Body and Mycelial Culture Extracts of Xylaria longipes Nitschke (Ascomycota), Pharmaceutical Chemistry Journal, 56, 7, 2022. Crossref

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