Broad‐spectrum insecticidal activity of essential oils from Taiwania flousiana Gaussen and discovery of major active compounds

作者：Feng Hao, Chenzhe Li, Yan Wu, Yan Shu, Huawen Wang, Xiya Li, Zi Yan, Canli Zhang, Jiting Li, Haosen Yang, Zhong‐Tao Ding, Le Cai · 发表于：Pest Management Science · 年份：2025 · DOI：10.1002/ps.70413 · 被引用次数：10 · 研究领域：Insect Pest Control Strategies、Essential Oils and Antimicrobial Activity、Traditional and Medicinal Uses of Annonaceae

BACKGROUND: Synthetic insecticides have been widely used for pest control but cause environmental issues such as pesticide residues, soil contamination, and resistance. As a result, there is a need for eco-friendly alternatives. Essential oils (EOs) are renewable, biodegradable, and non-persistent, making them promising candidates for natural insecticides. This study explores the potential of essential oils from the heartwood of Taiwania flousiana Gaussen, sourced from Tengchong, Yunnan. RESULTS: The chemical composition of T. flousiana essential oils was analyzed, displaying their diversity of chemical composition. Assessment of insecticidal activity against various pests revealed their broad-spectrum insecticidal activity. Afterwards we assessed their biochemical effects on Armigeres subalbatus, measuring esterase-α, esterase-β, SOD, LPO, and GST levels. Toxicity to non-target organisms, including Nicotiana tabacum, Danio rerio, and Apis mellifera, was also evaluated. Computational simulations identified four key bioactive compounds, with two dominant compounds isolated and characterized, laying the foundation for further studies. CONCLUSION: EOs of T. flousiana exhibit a broad spectrum of insecticidal activity, coupled with a remarkably low impact on non-target organisms. This suggests they could serve as an eco-friendly substitute for synthetic insecticides. This finding is significant for developing greener pest control strategies. © 2025 Society of Chemical Industry.