Outstanding insecticidal activity and sublethal effects of Carlina acaulis root essential oil on the housefly, Musca domestica, with insights on its toxicity on human cells

2020 â—½  
Vol 136 â—½  
pp. 111037 â—½  
Author(s):  
Roman Pavela â—½  
Filippo Maggi â—½  
Riccardo Petrelli â—½  
Loredana Cappellacci â—½  
Michela Buccioni â—½  
...  
Keyword(s):  
Essential Oil â—½  
Musca Domestica â—½  
Insecticidal Activity â—½  
Sublethal Effects â—½  
Human Cells â—½  
Root Essential Oil

Ascaridole-rich essential oil from marsh rosemary (Ledum palustre) growing in Poland exerts insecticidal activity on mosquitoes, moths and flies without serious effects on non-target organisms and human cells

2020 â—½  
Vol 138 â—½  
pp. 111184 â—½  
Author(s):  
Giovanni Benelli â—½  
Roman Pavela â—½  
Kevin Cianfaglione â—½  
Joanna Sender â—½  
Urban Danuta â—½  
...  
Keyword(s):  
Essential Oil â—½  
Insecticidal Activity â—½  
Human Cells â—½  
Ledum Palustre

Compositional analysis and insecticidal activity of Eucalyptus globulus (family: Myrtaceae) essential oil against housefly (Musca domestica)

Acta Tropica â—½  
2012 â—½  
Vol 122 (2) â—½  
pp. 212-218 â—½  
Author(s):  
Peeyush Kumar â—½  
Sapna Mishra â—½  
Anushree Malik â—½  
Santosh Satya
Keyword(s):  
Essential Oil â—½  
Musca Domestica â—½  
Insecticidal Activity â—½  
Eucalyptus Globulus â—½  
Compositional Analysis

scholarly journals Encapsulation of Carlina acaulis essential oil and carlina oxide to develop long-lasting mosquito larvicides: microemulsions versus nanoemulsions

2021 â—½  
Author(s):  
Roman Pavela â—½  
Lucia Pavoni â—½  
Giulia Bonacucina â—½  
Marco Cespi â—½  
Loredana Cappellacci â—½  
...  
Keyword(s):  
Essential Oil â—½  
Larvicidal Activity â—½  
Wistar Rats â—½  
Water Solubility â—½  
Sublethal Effects â—½  
Uv Light â—½  
Human Keratinocytes â—½  
Mosquito Larvae â—½  
Mosquito Larvicides â—½  
Root Essential Oil

AbstractCarlina acaulis root essential oil (EO) is one of the most potent mosquito larvicides (LC50 < 2 ppm). This EO is mainly composed of carlina oxide (> 90%). Poor water solubility and rapid degradation from UV light and oxygen in the environment limit the real-world use of this EO. Herein, we developed nanocarrier-based formulations, namely micro- and nanoemulsions (ME and NE, respectively) containing C. acaulis EO or carlina oxide (both at 0.5%) as active ingredients (a.i.). The larvicidal activity of ME and NE was evaluated against Culex quinquefasciatus. The highest larvicidal activity was achieved by the ME containing 0.5% of the EO (M1); its LC50(90) was 579.1 (791.3) µL L−1. Sublethal effects of this ME and its a.i. were assessed testing both at the LC16, LC30, LC50 and LC90 on mosquito larvae exposed to each product for 1–7 h, and then monitoring mortality for 18 days. At variance with the EO, ME application, even at LC16, led to 100% mortality at 18 days. The EO and its encapsulated form were scarcely toxic to human keratinocytes (HaCaT) and human fibroblast (NHF A12) cell lines. The acute toxicity of C. acaulis EO and its ME (M1) was also evaluated in Wistar rats through oral administration; EO LD50 was 1098 mg kg−1 bw, whereas its ME, even at 5000 mg kg−1 bw (considered the upper testing limit to establish safety to mammals), was not toxic. This study highlights the outstanding efficacy of C. acaulis EO ME for developing long-lasting and safe larvicides against Cx. quinquefasciatus.

In vitro Safety and Efficacy of Lavender Essential Oil (Lamiales: Lamiaceae) as an Insecticide Against Houseflies (Diptera: Muscidae) and Blowflies (Diptera: Calliphoridae)

10.1093/jee/toy145 â—½  
2018 â—½  
Vol 111 (4) â—½  
pp. 1974-1982 â—½  
Author(s):  
Luciana F Cossetin â—½  
Eduarda Maria T Santi â—½  
Jocelene F Cossetin â—½  
Janaína B Dillmann â—½  
Matheus D Baldissera â—½  
...  
Keyword(s):  
Essential Oil â—½  
Insecticidal Activity â—½  
Live Weight â—½  
Human Cells â—½  
Immersion Method â—½  
Exposure Test â—½  
Larvicidal Effect â—½  
Resistant Species â—½  
Oil Concentration

Abstract Essential oils are considered an alternative for replacement of conventional insecticides that have provoked an increasing number of resistant species and damages to health. The objective of this work was to investigate the insecticidal activity of Lavandula dentata L. (Lamiales: Lamiaceae) oil against the species Musca domestica L. (Diptera: Muscidae) and Chrysomya albiceps Wiedemann (Diptera: Calliphoridae). Extraction of the essential oil from the aerial parts of the plant was carried out using hydro-distillation. Its principal compounds (1,8-cineol, camphor, and linalool oxide) were identified. Insecticidal activity was determined by evaluating adulticidal effect using topical application methods and exposure to impregnated paper; larvicidal effect was determined using immersion method. The essential oil presented toxicity in M. domestica and C. albiceps adults; the lethal concentration values (LC50) in the superficial application method were respectively 3.13 ± 0.64 and 1.39 ± 0.19% live weight (l/v). Toxicity was also found in the oil impregnated paper exposure test; the LC50 results for M. domestica and C. albiceps were respectively 4.15 ± 0.64 and 5.14 ± 0.81%. Larvicidal effect was observed on third stage M. domestica larvae when exposed to an oil concentration of 2.5% (m/v). In addition, the oil was evaluated for cytotoxicity, mutagenicity, and genotoxicity in human cells, and the in vitro safety of this oil in human cells was verified. Thus, L. dentata oil presented insecticidal activity in M. domestica and C. albiceps and can be used as an alternative for control of these dipterans.

Composition of Prangos pabularia Essential Oil: Identification of an Unknown Compound from the Oil and its Insecticidal Activity against Yellow Fever Mosquito, Aedes aegypti

Planta Medica â—½  
2013 â—½  
Vol 79 (05) â—½  
Author(s):  
N Tabanca â—½  
A Ali â—½  
M Tsikolia â—½  
UR Bernier â—½  
G Ozek â—½  
...  
Keyword(s):  
Essential Oil â—½  
Aedes Aegypti â—½  
Yellow Fever â—½  
Insecticidal Activity â—½  
Yellow Fever Mosquito â—½  
Unknown Compound

scholarly journals Insecticidal activity of citronella grass essential oil on Frankliniella schultzei and Myzus persicae

2013 â—½  
Vol 37 (2) â—½  
pp. 138-144 â—½  
Author(s):  
Patrícia Fontes Pinheiro â—½  
Vagner Tebaldi de Queiroz â—½  
Vando Miossi Rondelli â—½  
Adilson Vidal Costa â—½  
Tiago de Paula Marcelino â—½  
...  
Keyword(s):  
Essential Oil â—½  
Insecticidal Activity â—½  
Myzus Persicae â—½  
Green Peach Aphid â—½  
Biological Activities â—½  
Chemical Constituents â—½  
Economic Losses â—½  
Frankliniella Schultzei â—½  
Wide Range â—½  
Citronella Grass

The thrips, Frankliniella schultzei, and green peach aphid, Myzus persicae, cause direct damage to plants of economic importance and transmit phytoviruses, causing large economic losses. Chemical constituents of essential oils present a wide range of biological activities. The aim of this work was to evaluate insecticidal activity of essential oil from citronella grass, Cymbopogon winterianus, on F. schultzei and M. persicae. This essential oil was obtained by steam distillation and components were identified by GC/FID and GC/MS. A Potter spray tower was used to spray insects with the essential oil. The major constituents are geraniol (28.62%), citronellal (23.62%) and citronellol (17.10%). Essential oil of C. winterianus at 1% (w v-1) causes mortality in F. schultzei and M. persicae at 34.3% and 96.9%, respectively. The LC50 value for M. persicae was 0.36% and LC90 0.66%. Thus, citronella grass essential oil at 1% (w v-1) is more toxic to M. persicae than F. schultzei. This essential oil shows promise for developing pesticides to manage M. persicae.

scholarly journals In VitroEffect ofCinnamomum zeylanicumBlume Essential Oil onCandidaspp. Involved in Oral Infections

2018 â—½  
Vol 2018 â—½  
pp. 1-13 â—½  
Author(s):  
Marianne de Lucena Rangel â—½  
Sabrina Garcia de Aquino â—½  
Jefferson Muniz de Lima â—½  
Lúcio Roberto Castellano â—½  
Ricardo Dias de Castro
Keyword(s):  
Cell Wall â—½  
Essential Oil â—½  
Red Blood Cells â—½  
Blood Cells â—½  
Fungal Growth â—½  
Human Cells â—½  
Phytochemical Analysis â—½  
Oral Infections â—½  
Human Red Blood Cells â—½  
Main Component

The present study demonstrates the antifungal potential of chemically characterized essential oil (EO) ofCinnamomum zeylanicumBlume onCandidaspp. biofilm and establishes its mode of action, effect on fungal growth kinetics, and cytotoxicity to human cells. The minimal inhibitory concentration (MIC) and minimal fungicidal concentration (MFC) values varied from 62.5 to 1,000μg/mL, and the effect seems to be due to interference with cell wall biosynthesis. The kinetics assay showed that EO at MICx2 (500μg/mL) induced a significant (p < 0.05) reduction of the fungal growth after exposure for 8 h. At this concentration, the EO was also able to hinder biofilm formation and reduceCandidaspp. monospecies and multispecies in mature biofilm at 24 h and 48 h (p < 0.05). A protective effect on human red blood cells was detected with the EO at concentrations up to 750μg/mL, as well as an absence of a significant reduction (p > 0.05) in the viability of human red blood cells at concentrations up to 1,000μg/mL. Phytochemical analysis identified eugenol as the main component (68.96%) of the EO.C. zeylanicumBlume EO shows antifungal activity, action on the yeast cell wall, and a deleterious effect onCandidaspp. biofilms. This natural product did not show evidence of cytotoxicity toward human cells.

scholarly journals Insecticidal and repellent activity of the essential oil of Cinnamomum camphora var. linaloolifera Y. Fujita (Ho-Sho) and Cinnamomum camphora (L.) J Presl. var. hosyo (Hon-Sho) on Sitophilus zeamaisMots. (Coleoptera, Curculionedae)

2015 â—½  
Vol 17 (4 suppl 1) â—½  
pp. 769-773 â—½  
Author(s):  
R.L. CANSIAN â—½  
V. ASTOLFI â—½  
R.I. CARDOSO â—½  
N. PAROUL â—½  
S.S. ROMAN â—½  
...  
Keyword(s):  
Essential Oil â—½  
Essential Oils â—½  
Insecticidal Activity â—½  
Sitophilus Zeamais â—½  
Repellent Activity â—½  
Cinnamomum Camphora â—½  
Preference Index â—½  
Lethal Doses â—½  
Repellency Activity

ABSTRACT The aim of this work was to evaluate the insecticidal and repellency activity of the essential oil of Cinnamomum camphora var. linaloolifera Y. Fujita (Ho-Sho) and Cinnamomumcamphora (L.) J Presl.var. hosyo (Hon-Sho), against the Sitophilus zeamais in maize grains. The essential oils were obtained by hydrodistillation and analyzed by GC-MS.The insecticidal activity was determined by the toxicity of different concentrations of essential oils during 24 hours of contact with the insects, in the absence of feed substrate. The Bioassays of repellency were conducted with lethal doses (LD50,LD25,and LD12.5) obtained from insecticidal bioassay. In order to compare the treatments the preference index (PI) was employed. The analysis of the essential oils of Cinnamomum camphora leaves indicated 68% of camphor and 9% of linalool for the variation Hon-Sho and 95% of linalool to the variation Ho-Sho. The variation Ho-Sho presented greatest insecticidal activity than the variation Hon-Sho against the Sitophiluszeamais, with LD50 of 0.35 μL/cm2, whereas in the variation Hon-Sho the ratewas 0.48 μL/cm2. However, considering only the concentrations of linalool and camphor of Ho-Sho and Hon-Sho, the lethal doses’ evaluation of these compounds were similar. The values of the preference index ranged from -0.3 to -0.8 for thevariation Ho-Sho and -0.2 to -0.7 for the variation Hon-Sho. The essential oils evaluated in this work showed repellent activity against Sitophiluszeamais in vitro and in trials performed in mini-silos.

scholarly journals Sublethal Effects of Pyrethroid and Carbamate Insecticides on the Chemosensory Responses of the Housefly, Musca domestica nebulo(Diptera:Muscidae)

10.1303/aez.27.292 â—½  
1992 â—½  
Vol 27 (2) â—½  
pp. 292-295 â—½  
Author(s):  
Dilip Shripad HEBBALKAR â—½  
Geeta Dilip HEBBALKAR â—½  
Ravindra Nath SHARMA
Keyword(s):  
Musca Domestica â—½  
Sublethal Effects â—½  
Carbamate Insecticides
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