Repellent activities of essential oils rich in sesquiterpenoids from Saussurea amara (L.) DC. and Sigesbeckia pubescens Makino against two stored-product insects

Li, Zhihua; Wang, Yang; Sun, Jiansheng; Li, Jigang; Zou, Kexing; Hong, Liu; Li, Guixiang; Hu, Zheng; Lizheng, Nong; Ning, Zhenxing; Wu, Yizhou; Du, Shu-Shan

doi:10.1007/s11356-019-06876-3

Cited by 4 publications

(1 citation statement)

References 34 publications

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“…The injector and ion source temperatures were set to 200 • C. The MS was operated with electron impact ionization (El, 60 eV) and a scan range of m/z 29-650. Terpenoid compounds from A. stechmanniana oil were identified by comparing the retention times and mass spectra to the NIST Mass Spectral Library using NIST 17 [25]. The major terpenoid compounds were identified by comparing their retention times and mass spectra with those of the standards (Sigma-Aldrich, Ontario, Canada) under the same conditions.…”

Section: Analysis Of Essential Oils From a Stechmanniana Using Gc/msmentioning

confidence: 99%

Identification of Terpenoid Compounds and Toxicity Assays of Essential Oil Microcapsules from Artemisia stechmanniana

Liu

Zhang

et al. 2023

Insects

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Plant essential oils, as biological pesticides, have been reviewed from several perspectives and play a key role in chemical ecology. However, plant essential oils show rapid degradation and vulnerability during actual usage. In this study, we conducted a detailed analysis of the compounds present in the essential oils of A. stechmanniana using gas chromatography–mass spectrometry (GC-MS). The results showed seventeen terpenoid compounds in the A. stechmanniana oil, with four major terpenoid compounds, i.e., eucalyptol (15.84%), (+)-2-Bornanone (16.92%), 1-(1,2,3-Trimethyl-cyclopent-2-enyl)-ethanone (25.63%), and (-)-Spathulenol (16.38%), in addition to an amount of the other terpenoid compounds (25.26%). Indoor toxicity assays were used to evaluate the insecticidal activity of Artemisia stechmanniana essential oil against Aphis gossypii, Frankliniella occidentalis, and Bactericera gobica in Lycium barbarum. The LC50/LD50 values of A. stechmanniana essential oils against A. gossypii, F. occidentalis, and B. gobica were 5.39 mg/mL, 0.34 mg/L, and 1.40 μg/insect, respectively, all of which were highly efficient compared with azadirachtin essential oil. Interestingly, A. stechmanniana essential oil embedded in β-cyclodextrin (microencapsule) remained for only 21 days, whereas pure essential oils remained for only 5 days. A field efficacy assay with the A. stechmanniana microencapsule (AM) and doses at three concentrations was conducted in Lycium barbarum, revealing that the insecticidal activities of AM showed high efficiency, maintained a significant control efficacy at all concentrations tested, and remained for 21 days. Our study identified terpenoid compounds from untapped Artemisia plants and designed a novel method against pests using a new biopesticide on L. barbarum.

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Section: Analysis Of Essential Oils From a Stechmanniana Using Gc/msmentioning

confidence: 99%

Identification of Terpenoid Compounds and Toxicity Assays of Essential Oil Microcapsules from Artemisia stechmanniana

Liu

Zhang

et al. 2023

Insects

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Excito-repellency and biological safety of β-caryophyllene oxide against Aedes albopictus and Anopheles dirus (Diptera: Culicidae)

et al. 2020

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 β-caryophyllene oxide had stronger repellent and irritant effect than DEET  Ae. albopictus was more sensitive to β-caryophyllene oxide than An. dirus while, knockdown responses (37%) were observed in An. dirus exposed to 1% β-caryophyllene oxide in the contact trial. β-caryophyllene oxide did not show any phototoxic activity. None of the tested β-caryophyllene oxide induced a significant increase of micronucleated cells with or without metabolic activation. β-Caryophyllene oxide could be considered as a safe repellent, effective against mosquitoes.

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Study on phytochemical and pharmacological activities of four Rhododendron plants endemic to Northeast China

Liu

Guo

Wang

et al. 2022

Journal of Agriculture and Food Research

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Repellent activities of essential oils rich in sesquiterpenoids from Saussurea amara (L.) DC. and Sigesbeckia pubescens Makino against two stored-product insects

Cited by 4 publications

References 34 publications

Identification of Terpenoid Compounds and Toxicity Assays of Essential Oil Microcapsules from Artemisia stechmanniana

Identification of Terpenoid Compounds and Toxicity Assays of Essential Oil Microcapsules from Artemisia stechmanniana

Excito-repellency and biological safety of β-caryophyllene oxide against Aedes albopictus and Anopheles dirus (Diptera: Culicidae)

Study on phytochemical and pharmacological activities of four Rhododendron plants endemic to Northeast China

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