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Metabolic profiles and biomarkers of Auricularia cornea based on de-oiled camphor leaf substrate
Lei Ye1, Yu Huang2, Xuezhen Yang2
1Sichuan Institute of Edible Fungi, Chengdu 610066, China; College of Resources, Sichuan Agricultural University, Chengdu 611134, China.
Abstract:
This study investigates the metabolic responses of Auricularia cornea when cultured on de-oiled leaves of Cinnamomum longepaniculatum (DeCL), an underutilized waste product. The metabolic profiles of A. cornea cultured with four different quality ratios of DeCL substrate (0 %, 14 %, 28 % and 42 %) were analyzed by UHPLC-MS/MS-based metabolomics. A total of 516 metabolites were identified and classified into 78 categories, with phenols, alkaloids and flavonoids accounting for 26.7 % of the total. In addition, 32 metabolite biomarkers associated with eight major metabolic pathways were identified. This pioneering research provides valuable insights into the utilization of DeCL, and expands our knowledge of the metabolic dynamics underlying the growth of A. cornea on alternative substrates.
