Chemical composition and phytotoxic activity of the essential oil of Artemisia sieversiana growing in Xinjiang, China

作者：Chunyu Jiang, Shixing Zhou, Zokir Toshmatov, Mei Yu, Guang-Zhao Jin, Caixia Han, Chi Zhang, Hua Shao · 发表于：Natural Product Research · 年份：2020 · DOI：10.1080/14786419.2020.1837806 · 被引用次数：19 · 研究领域：Essential Oils and Antimicrobial Activity、Allelopathy and phytotoxic interactions、Phytochemistry and Biological Activities

The chemical profile and phytotoxic activity of the essential oil extracted from Artemisia sieversiana was investigated. In total 17 compounds were identified by GC/MS, representing 99.17% of the entire oil, among which α-thujone (64.46%) and eucalyptol (10.15%) were the most abundant constituents. The major components, their mixture as well as the essential oil exhibited significant phytotoxic activity against Amaranthus retroflexus, Medicago sativa, Poa annua and Pennisetum alopecuroides, with their IC50 values ranged from 1.55 ∼ 6.21 mg/mL (α-thujone), 1.42 ∼ 17.81 mg/mL (eucalyptol), 0.23 ∼ 1.05 mg/mL (the mixture), and 1.89 ∼ 4.69 mg/mL (the essential oil) on the four tested species. The mixture of the major constituents exerted more potent effect compared with each individual compound, indicating the possible involvement of synergistic effect of these two compounds.