Green Catalysis: The Role of Medicinal Plants as Food Waste Decomposition Enhancers/Accelerators

Liziwe L. Mugivhisa, Madira C. Manganyi*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

The escalating global issue of food waste, valued at billions of USD annually and significantly impacting sustainability across social, economic, and environmental dimensions, necessitates innovative solutions to enhance waste management processes. Conventional decomposition techniques frequently encounter challenges related to inefficiencies and extended processing durations. This investigation examines the potential contributions of medicinal plants as green catalysts in the decomposition of food waste, utilizing their bioactive compounds to mitigate these obstacles. Medicinal plants facilitate the decomposition process through various mechanisms as follows: they secrete enzymes and metabolites that aid in the disintegration of organic matter, enhancing microbial activity and soil pH and structure. Furthermore, they foster nitrogen cycling and generate growth regulators that further optimize the efficiency of decomposition. The symbiotic associations between medicinal plants and microorganisms, including mycorrhizal fungi and rhizobacteria, are also instrumental in enhancing nutrient cycling and improving rates of decomposition. The utilization of medicinal plants in food waste management not only accelerates the decomposition process but also underpins sustainable practices by converting waste into valuable compost, thereby enriching soil health and lessening dependence on chemical fertilizers. This methodology is congruent with the 2030 Agenda for Sustainable Development and presents a plausible trajectory toward a circular economy and improved environmental sustainability.

Original languageEnglish
Article number552
JournalLife
Volume15
Issue number4
DOIs
Publication statusPublished - Apr 2025

Keywords

  • composting
  • decomposition
  • food waste
  • green catalysts
  • organic waste management secondary metabolites
  • sustainable practices

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