Three New Dipeptide and Two New Polyketide Derivatives from the Mangrove-Derived Fungus Talaromyces sp.: Antioxidant Activity of Two Isolated Substances
2024

New Compounds from Mangrove Fungus with Antioxidant Activity

publication 10 minutes Evidence: moderate

Author Information

Author(s): Zeng Zhihao, Cai Jian, Chen Yi, Li Xinlong, Chen Chunmei, Liu Yonghong, Jayasinghe Lalith, Zhou Xuefeng

Primary Institution: South China Sea Institute of Oceanology, Chinese Academy of Sciences

Hypothesis

The study aims to isolate and characterize new metabolites from the mangrove-derived fungus Talaromyces sp. and evaluate their biological activities.

Conclusion

Five new metabolites were isolated from Talaromyces sp., with some showing significant antioxidant activity.

Supporting Evidence

  • Five new metabolites were isolated from the mangrove-derived fungus Talaromyces sp.
  • Compounds 1 and 12 showed DPPH radical scavenging activity with EC50 values of 27.62 and 29.34 µg/mL.
  • Compounds 9 and 13–15 exhibited weak antibacterial activities against Staphylococcus aureus.
  • The study highlights the potential of cyclic dipeptides as antioxidants.
  • Structural elucidation was performed using NMR, MS, and X-ray diffraction.

Takeaway

Scientists found new substances from a fungus that grows in mangroves, and some of these substances can help fight bad stuff in our bodies.

Methodology

The study involved isolating compounds from the fungus, determining their structures using NMR and MS, and testing their antioxidant and antibacterial activities.

Limitations

The study did not evaluate the long-term effects of the isolated compounds or their potential side effects.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/md22120559

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