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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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Study on the Analytical Method for Water-soluble Crude Polysaccharides in Culinary-Medicinal Mushrooms

卷 12, 册 4, 2010, pp. 331-345
DOI: 10.1615/IntJMedMushr.v12.i4.10
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摘要

Size exclusion high performance liquid chromatography (SE-HPLC) was used to analyze water extracts of edible medicinal mushrooms in this research. Fingerprint profiling of polysaccharides in edible medicinal mushrooms was utilized as the primary identification tool for qualitative analysis. Furthermore, this study successfully improves or corrects the overestimation problem in quantifying functional polysaccharide contents in phenol-sulfuric acid method. The comparison of 3 different pre-treatment methods including SE-HPLC fractionation, ultra-filtration (UF) fractionation and alcohol precipitation shows that SE-HPLC fractionation method not only can recover the loss of polysaccharides in UF or alcohol precipitation methods, but also is able to fully retain water-soluble crude polysaccharides with molecular weight > 10 kD, which are commonly regarded as functional components in medicinal mushrooms. Therefore, the combination of SE-HPLC fractionation and phenol-sulfuric acid quantification method is more accurate and suitable for determination of water-soluble crude polysaccharide in edible medicinal mushrooms.

对本文的引用
  1. He Xiucheng, Qiu Huizhen, Xie Kuizhong, Wang Yucai, Hu Juan, Li Fuqiang, An Jing, Effects of water saving and nitrogen reduction on the yield, quality, water and nitrogen use efficiency of Isatis indigotica in Hexi Oasis, Scientific Reports, 12, 1, 2022. Crossref

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