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Antioxidant and Antimicrobial Properties of Fruiting Body and Submerged Mycelium of Medicinal Mushroom Phellinus robiniae (Agaricomycetes)

Summary

This research examined the beneficial properties of a medicinal mushroom called Phellinus robiniae, comparing extracts from both its mushroom body and laboratory-grown fungal threads. The study found that both forms contain significant antioxidants and can fight harmful bacteria, making them potentially valuable for health applications. Impacts on everyday life: • Could lead to new natural preservatives for food products • May contribute to development of natural antimicrobial medicines • Potential for new antioxidant supplements and skincare products • Demonstrates value of sustainable mushroom cultivation for medical purposes • Could help reduce reliance on synthetic preservatives and antibiotics

Background

Phellinus robiniae is a medicinal mushroom with potential bioactive properties that can be obtained from both fruiting bodies and submerged mycelial cultivation.

Objective

To evaluate and compare the extraction yield, antioxidant content, antioxidant capacity and antibacterial activity of extracts obtained from submerged mycelium (ME) and fruiting body (FBE) of Phellinus robiniae NTH-PR1.

Results

The extraction yields were 14.84% for mycelium and 18.89% for fruiting body extracts. Fruiting body extracts showed higher levels of TPSC (21.56 mg GE/g), TPC (12.14 mg QAE/g), and TFC (9.04 mg QE/g) compared to mycelial extracts. The fruiting body extract demonstrated better DPPH radical scavenging activity (EC50 260.62 μg/mL) than mycelial extract (EC50 298.21 μg/mL). Both extracts showed antimicrobial activity against Gram-positive and Gram-negative bacteria.

Conclusion

Both submerged mycelial biomass and fruiting bodies of Ph. robiniae NTH-PR1 demonstrate significant antioxidant and antimicrobial properties, making them promising candidates for development of functional foods, pharmaceuticals, and cosmetic products.
  • Published in:International Journal of Medical Mushrooms,
  • Study Type:Laboratory Research,
  • Source: PMID: 37017660, DOI: 10.1615/IntJMedMushrooms.2022047243
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