Control of insect coffee bean weevils in Angelicae Dahuricae Radix storage by ozone treatment and its effect on the quality of Angelicae Dahuricae Radix
Zhengying Wen , Xiaoli Yi , Hongxin Yan , Cuiping Chen , Feifei Xu , Wenjia Ke , Shuai Dong , Yuntong Ma
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引用次数: 0
Abstract
The coffee bean weevil (Araecerus fasciculatus (De Geer)) is a storage pest with extreme destructive power that seriously harms Angelicae Dahuricae Radix, which has high medicinal value. Ozone (O3), an eco-friendly fumigant with rapid decomposition and residue-free properties, offers a promising alternative to conventional chemical pesticides. This study systematically evaluated the fumigation efficacy of O3 against adult A. fasciculatus and its impact on Angelicae Dahuricae Radix quality parameters. Results demonstrated complete mortality (100 %) in adult cohorts within 12 days post-exposure to 333.3 ppm O3 for 10 min, accompanied by rapid induction of flight incapacity and suppressed behavioral reactivity. Crucially, O3 treatment at ≤ 333.3 ppm preserved the chromatic stability of Angelicae Dahuricae Radix and maintained the pharmacologically active coumarin constituents - imperatorin, oxypeucedanin, and bergapten - within quality control thresholds. Therefore, this study suggests that an appropriate concentration of O3 can be developed as a fumigant for the control of adult coffee bean weevils, a storage pest of Angelicae Dahuricae Radix.
期刊介绍:
The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.