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  1. Home
  3. Antimicrobial Activity Of Carbon Dots Against Aquatic Spoilage Bacteria Synthesized From Banana Peel Waste.
  1. Home
  3. Antimicrobial Activity Of Carbon Dots Against Aquatic Spoilage Bacteria Synthesized From Banana Peel Waste.

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Antimicrobial activity of carbon dots against aquatic spoilage Bacteria synthesized from Banana Peel waste.

Yueyue Meng1, Huiyu Zhu1, Xinyi Li1

  • 1Key Laboratory of Biotechnology and Bioresources Utilization (Dalian Minzu University), Ministry of Education, Dalian, Liaoning 116600, China.

Food Chemistry: X
|April 10, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Banana peel-derived carbon dots (BP-CDs) show strong antioxidant and antibacterial properties. These findings suggest BP-CDs can enhance aquatic product preservation technologies.

Keywords:
Banana peelsCarbon dotsMetabolomicsSpoilage bacteria

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Area of Science:

  • Materials Science
  • Biotechnology
  • Food Science

Background:

  • Biomass waste utilization for novel materials.
  • Development of sustainable antioxidants and antimicrobials.
  • Need for advanced preservation techniques in the aquatic products industry.

Purpose of the Study:

  • To synthesize and characterize carbon dots (CDs) from banana peel (BP).
  • To evaluate the antioxidant and antimicrobial potential of BP-derived CDs (BP-CDs).
  • To explore the application of BP-CDs in aquatic product preservation.

Main Methods:

  • Synthesis of BP-CDs from banana peel biomass.
  • Characterization of BP-CDs size, fluorescence, and surface functionalities.
  • In vitro antioxidant assays (free-radical scavenging).
  • Antimicrobial efficacy testing against aquatic product spoilage bacteria.
  • Metabolomics analysis to elucidate antibacterial mechanisms.

    • Main Results:

    • BP-CDs synthesized with an average size of 5.9 nm.
    • BP-CDs exhibited blue fluorescence with excitation-wavelength-dependent properties.
    • Presence of nitrogen, oxygen, and sulfur functionalities on BP-CDs.
    • Demonstrated significant free-radical scavenging activity.
    • Showed notable antimicrobial effects against spoilage bacteria.
    • Antibacterial mechanism involves metabolic disruption, cell wall damage, and impaired transport/signaling.

    Conclusions:

    • BP-CDs are effective antioxidants and antimicrobials.
    • BP-CDs show promise for developing novel preservation technologies for aquatic products.
    • Sustainable utilization of banana peel biomass for functional nanomaterials.