Polyphenols possess abundant phenolic hydroxyl groups, aromatic scaffolds, and catechol/gallol coordination motifs, enabling them to function as both versatile building blocks and bioactive components in nanopesticide systems. This review systematically summarizes recent advances in polyphenol-based nanopesticides and examines how different polyphenols contribute to nanopesticide construction and pesticide delivery. The principal assembly, coating, and encapsulation strategies are discussed, together with their applications in the management of plant diseases, insect pests, and weeds. Particular attention is given to how polyphenols can stabilize active ingredients, enhance deposition and retention on target surfaces, enable sustained or stimuli-responsive release, and thereby increase pesticide utilization efficiency. Current challenges related to plant uptake and translocation, environmental fate and risk, field validation, and formulation quality control of polyphenol-based nanopesticides are also discussed. This review aims to advance the multifunctional design of polyphenol-based nanopesticides and facilitate the development of efficient, safe, and sustainable agrochemical products.
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Chen et al. (2026) studied this question.
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