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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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Optimization of Melanin Extraction from the Wood Ear Medicinal Mushroom, Auricularia auricula-judae (Agaricomycetes), by Response Surface Methodology and Its Antioxidant Activities In Vitro

Volume 20, Issue 11, 2018, pp. 1087-1095
DOI: 10.1615/IntJMedMushrooms.2018028694
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ABSTRACT

The optimal conditions for melanin extraction from Auricularia auricula-judae (Hei 29) fruiting bodies was determined on the basis of the extract yield of melanin, calculated by using a single-factor experiment and response surface methodology. Its antioxidant activities were also studied in vitro. Various optimal process conditions for melanin extraction were determined by using Design-Expert software: incubation temperature, 69.11°C; incubation time, 58.66 minutes; and incubation pH, 12.81. Under these conditions, the melanin yield was 2.59%. We found that the antioxidant activities of A. auricula-judae melanin in vitro were strong against DPPH radicals and superoxide anions. The rate of DPPH radical scavenging was 63.04% when the A. auricula-judae melanin concentration was 0.36 mg/mL; the rate of superoxide anion scavenging reached 39.79% when the concentration was 0.375 mg/mL. However, the antioxidant activity against hydroxyl radicals was somewhat weak; the rate of scavenging reached only 7.47% when the A. auricula-judae melanin concentration was 0.06 mg/mL.

CITED BY
  1. Ahn Soo-Yeon, Jang Seyoung, Sudheer Pamidimarri D. V. N., Choi Kwon-Young, Microbial Production of Melanin Pigments from Caffeic Acid and L-Tyrosine Using Streptomyces glaucescens and FCS-ECH-Expressing Escherichia coli, International Journal of Molecular Sciences, 22, 5, 2021. Crossref

  2. Liu Enchao, Ji Yuan, Zhang Fang, Liu Bingjie, Meng Xianghong, Review on Auricularia auricula-judae as a Functional Food: Growth, Chemical Composition, and Biological Activities, Journal of Agricultural and Food Chemistry, 69, 6, 2021. Crossref

  3. Choi Kwon-Young, Bioprocess of Microbial Melanin Production and Isolation, Frontiers in Bioengineering and Biotechnology, 9, 2021. Crossref

  4. Islam Tahidul, Ganesan Kumar, Xu Baojun, Insights into health-promoting effects of Jew's ear (Auricularia auricula-judae), Trends in Food Science & Technology, 114, 2021. Crossref

  5. Luo Shuai, Zhang Qiaoling, Yang Fan, Lu Jianjun, Peng Zheng, Pu Xiuxin, Zhang Juan, Wang Li, Analysis of the Formation of Sauce-Flavored Daqu Using Non-targeted Metabolomics, Frontiers in Microbiology, 13, 2022. Crossref

  6. Gürgen Ayşenur, Sevindik Mustafa, Application of artificial neural network coupling multiobjective particle swarm optimization algorithm to optimize Pleurotus ostreatus extraction parameters , Journal of Food Processing and Preservation, 2022. Crossref

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