Biological Activity of Ganoderma Species (Agaricomycetes) from Sonoran Desert, Mexico

Alexander Bacallao-Escudero, Patricia Guerrero-Germán, Heriberto Torres-Moreno, Max Vidal-Gutiérrez, Julio César López-Romero, Armando Tejeda-Mansir, Martín Esqueda*, Ramón Enrique Robles-Zepeda*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Ganoderma species have been used in folk medicine against different illnesses and are characterized by producing a diversity of bioactive metabolites (triterpenoids, polysaccharides, flavonoids, and phenols) with numerous medicinal effects (anti-proliferative, antioxidant, anti-inflammatory, and antibacterial). This work aims to evaluate ethan-olic extracts of fruiting bodies of Ganoderma oerstedii, G. weberianum, and G. subincrustatum strains from the Sonoran Desert in the anti-proliferative activity by the MTT assay on cancer cell lines; anti-inflammatory effect by quantifying nitric oxide (NO) production; antioxidant activity by DPPH, ABTS, and FRAP assays; total phenolic and flavonoid content by Folin-Ciocalteu and AlCl3 method, respectively; antibacterial activity by the broth microdilution method against Escherichia coli and Staphylococcus aureus. Extracts showed anti-proliferative activity with IC50 < 100 µg/mL on the cancer cell lines MDA-MB-231, A549, and HeLa, except G. subincrustatum extract with an IC50 > 100 µg/mL; anti-proliferative activity was not selective, being affected non-cancerous cell line ARPE-19. Extracts showed significant inhibition of NO release in cells stimulated by LPS, up to 60% with G. subincrustatum and G. oerstedii, and 47% with G. weberianum. All tested assays showed moderate antioxidant potential; the most active was G. lucidum (control strain) with IC50 of 69 and 30 µg/mL by DPPH and ABTS respectively; and 271 µg Trolox equivalents/g by FRAP. Total phenols and flavonoids ranged from 38 to 56 mg GAE/g and 0.53 to 0.93 mg QE/g, respectively. A significant correlation was found between the antioxidant activities revealed by DPPH, ABTS, and FRAP with total phenol and flavonoid contents. Antibacterial activity was weak against S. aureus (MIC50 > 10 mg/mL). These results demonstrate that tested Ganoderma mushrooms have medicinal potential such as anti-inflammatory and anti-proliferative.

Original languageEnglish
Pages (from-to)65-76
Number of pages12
JournalInternational Journal of Medicinal Mushrooms
Volume25
Issue number10
DOIs
StatePublished - 2023

Bibliographical note

Publisher Copyright:
© 2023 by Begell House, Inc.

Keywords

  • Ganoderma
  • anti-inflammatory
  • anti-proliferative
  • antioxidant
  • medicinal mushrooms

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