Bioactivity of Essential Oil from <i>Artemisia stolonifera</i> (Maxim.) Komar. and Its Main Compounds against Two Stored-Product Insects

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  • Zhang Wen-Juan
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Yang Kai
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • You Chun-Xue
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Wang Ying
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Wang Cheng-Fang
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention
  • Wu Yan
    Technical Center of China Tobacco Guangxi Industrial Co., Ltd
  • Geng Zhu-Feng
    Analytical and Testing Center, Beijing Normal University
  • Su Yang
    Tibet Judicial Police Hospital
  • Du Shu-Shan
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Deng Zhi-Wei
    Analytical and Testing Center, Beijing Normal University

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  • Bioactivity of Essential Oil from Artemisia stolonifera (Maxim.) Komar. and Its Main Compounds against Two Stored-Product Insects

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Abstract

Artemisia stolonifera, a perennial herb, is widely distrbuted in China. The aim of this study was to analyze the essential oil from the aerial parts of Artemisia stolonifera, as well as to evaluate the bioactivity of the oil and its main constituents. The essential oil was analyzed by gas chromatography-flame ionization detector and gas chromatography-mass spectrometry that allowed characterizing 22 compounds. The main components were eucalyptol (32.93%), β-pinene (8.18%), camphor (6.12%) and terpinen-4-ol (6.11%), and obtained from the essential oil after a further isolation. During the contact toxicity tests, the essential oil (LD50 = 8.60 μg/adult) exhibited stronger toxicity against Tribolium castaneum adults than those isolated constituents, however, camphor and terpinen-4-ol showed 1 and 2 times toxicity against Lasioderma serricorne adults than the essential oil (LD50 = 12.68 μg/adult) with LD50 values of 11.30 and 5.42 μg/adult, respectively. In the fumigant toxicity tests, especially on Tribolium castaneum, the essential oil (LC50 = 1.86 mg/L air) showed almost the same level toxicity as positive control, methyl bromide (LC50 = 1.75 mg/L air). Moreover, the essential oil and its four isolated constituents also exhibited strong repellency against two stored-product insects.

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