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Development of biodegradable starch-based lambda-cyhalothrin microcapsules for sustainable long-term pest control and enhanced utilization efficacy

文献类型： 外文期刊

作者： Li, Liang 1 ; Chen, Long 2 ; Du, Qian 1 ; Ding, Xiquan 1 ; Chen, Hongyan 1 ; Gao, Fei 1 ; Cui, Bo 1 ; Cui, Haixin 1 ; Zeng, Zhanghua 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

2.Zhongkai Univ Agr & Engn, Coll Chem & Chem Engn, Guangzhou 510225, Peoples R China

关键词： Starch nanocrystals; Octenyl succinic anhydride; Pickering emulsions; Pesticide; Microcapsules

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：12.5； 五年影响因子：11.9 ）

ISSN： 0144-8617

年卷期： 2025 年 368 卷

页码：

收录情况： SCI

摘要： The inefficiency of traditional pesticides leads to significant resource waste, severe environmental pollution, and potential threats to human health. Pesticide microcapsules present a promising strategy for developing environmentally friendly, safe, and sustained-release formulations. In this study, we produced degradable starch nanocrystals (SNCs) via acid hydrolysis and employed octenyl succinic anhydride-modified SNCs (O-SNCs) to fabricate pesticide microcapsules. Specifically, O-SNCs were used to emulsify molten lambda-cyhalothrin (LC), forming a Pickering emulsion. Subsequent interfacial polymerization of this emulsion yielded microcapsules, whose size can be adjusted by varying the O-SNCs content. These microcapsules exhibit high encapsulation efficiency and excellent storage stability. Furthermore, they demonstrate superior sustained pest control efficacy while significantly reducing acute toxicity to zebrafish and earthworms. This study provides valuable insights for designing sustainable, environmentally friendly, and highly effective pesticide formulations.

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