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Comparative metabolic profiling of wild Cordyceps species and their substituents by liquid chromatography-tandem mass spectrometry

Affiliation
Department of Biological Repositories ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Guo, Shan;
Affiliation
Department of Pharmacy ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Lin, Manting;
Affiliation
Department of Pharmacy ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Xie, Di;
Affiliation
Department of Pharmacy ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Zhang, Wenqing;
Affiliation
Department of Pharmacy ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Zhang, Mi;
Affiliation
Animal Biosafety Level III Laboratory ,Wuhan University School of Basic Medical Sciences ,Wuhan ,Hubei ,China
Zhou, Li;
Affiliation
Department of Biological Repositories ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Li, Sheng;
Affiliation
Department of Pharmacy ,Zhongnan Hospital of Wuhan University ,Wuhan ,Hubei ,China
Hu, Hankun

Cordyceps is a genus of ascomycete fungi and used widely in fungal drugs. However, in-depth studies of the metabolites of wild Cordyceps species and their substituents are lacking. In this study, a liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based metabolomics analysis was carried out to comprehensively profile the metabolites in wild Chinese Cordyceps species ( Ophiocordyceps sinensis (Berk.) G.H. Sung, J.M. Sung, Hywel-Jones and Spatafora 2007) from Naqu (NCs) and Yushu (YCs) and their substituents including artificially cultivated Cordyceps species (CCs) and mycelia. A total of 901 metabolites were identified in these samples, including lipids, amino acids, nucleosides, carbohydrates, organic acids, coenzymes, vitamins, alkaloids and their derivatives. Univariate and multivariate statistical analyses revealed remarkable differences and significantly different metabolites among them. Seventy amino acid-relevant metabolites were analyzed quantitatively in four samples for the first time. The four samples contained abundant L-glutamic acid and oxidized glutathione as well as multiple unique amino acid-relevant metabolites (e.g., 3-chloro-L-tyrosine, 6-aminocaproic acid, L-theanine, anserine, γ-glutamyl-cysteine). Collectively, our study provides rich metabolic information of wild Cordyceps species and their substituents, which could facilitate their quality control and optimal utilization.

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License Holder: Copyright © 2022 Guo, Lin, Xie, Zhang, Zhang, Zhou, Li and Hu.

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