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Published on: January 7, 2019
Comparative Analysis of Metabolic Compositions and Trace Elements of Inonotus hispidus Mushroom Grown on Five
Zhijun Li1,2, Haiying Bao1,2
1College of Chinese Medicine Materials, Jilin Agricultural University, Changchun 130118, China.
Abstract:
Inonotus hispidus is a popular edible and medicinal mushroom widely used in China. I. hispidus mushroom mainly grows on five different tree species (Morus alba L., Ulmus macrocarpa Hance, Fraxinus mandshurica Rupr., Ziziphus jujuba Mill., and Malus pumila Mill.), and their fruiting bodies were all separately used in the market. However, there is no holistic insight to elucidate the molecular basis of the differentiated usage. This study aimed to investigate and compare the metabolite compositions and trace elements in I. hispidus grown on five different tree species. The metabolomic data, 8 kinds of principal components and 12 kinds of trace elements, were analyzed in this study. The results showed that the same 1353 metabolites were identified in I. hispidus grown on five different tree species, but the relative abundance was different. The principal components and trace elements contents are different, for example, polysaccharides, phenol metabolites, Ca, Na, Mg, Fe, and Mn were enriched in I. hispidus grown on M. alba, the flavonoids were enriched in Z. jujuba samples, and the steroids, terpenoids, and Zn were enriched in M. pumila samples. Further, the KEGG enrichment pathway and metabolic models were established. These findings provide a molecular basis for the unique use of the I. hispidus mushroom grown on different tree species.
