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August 28, 2026Industrial Crops and ProductsOpen Access

Cultivation of Fomitopsis betulina fruiting bodies on alternative substrates: Uncovering the metabolomics profiling by HR-MAS NMR and FTIR spectroscopies

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Authors

ISIvana SofrenićAKAleksandar KneževićDGDejan Gođevac

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Overview

Comparative metabolomic study reveals developmental and substrate-driven shifts in Fomitopsis betulina chemical composition, suggesting early harvest maximizes free sugars and beta-glucans.

Key Points

  • To evaluate how different alternative lignocellulosic growth substrates and maturity stages influence the macromolecular and metabolite composition of cultivated Fomitopsis betulina fruiting bodies.
  • Cultivated F. betulina fruiting bodies across four lignocellulosic substrates: birch (control), smoke tree, black alder, and hazelnut shells.
  • Assessed macromolecular features using FTIR spectroscopy and low-molecular-weight metabolites using HR-MAS 1H NMR spectroscopy, paired with multivariate chemometrics (PCA, SIMCA, OPLS-DA, and OPLS-HDA).
  • Young fruiting bodies exhibited significant enrichment in free sugars and β-glucan fragments, whereas mature specimens accumulated more chitin-derived oligomers, esters, and amide signals.
  • Growth substrate significantly influenced fungal amino acid and carbohydrate compositions, while maturation consistently drove a chemical transition from soluble sugars toward rigid structural polysaccharides.

Cite This Study

Sofrenić et al. (2026) studied this question.

synapsesocial.com/papers/6a914613d15324a1df3a96e9https://doi.org/10.1016/j.indcrop.2026.124234
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