Biological activities and chemical composition of Mentha piperita and Syzygium aromaticum essential oil fractions against cowpea weevil, Callosobruchus maculatus (Fabricius) (Coleoptera: Bruchidae)

2021 ◽  
Vol 18 (3) ◽  
pp. 182-190
Author(s):  
Kay Khine Myint ◽  
◽  
Idham Sakti Harahap ◽  
Dadang Dadang ◽  
◽  
...  

Callosobruchus maculatus (Fabricius) is one of the major, common, pests of stored grains as it causes quantitative and qualitative losses in legume crops. This research sought to find the most active fraction in Mentha piperita and Syzygium aromaticum essential oils, to evaluate bioactivity of those crude essential oils and active fractions against C. maculatus, and to identify the compounds contained in the active fraction. The essential oils were fractionated using three solvents, namely n-hexane, ethyl acetate, and methanol. The n-hexane fraction was identified as the active fraction, causing mortality, oviposition deterrence, and ovicidal effects. In fumigation chambers, LD95 values of M. piperita (Mnf) and S. aromaticum n-hexane fractions (Snf) were 0.045 ml/l and 0.057 ml/l respectively. ED50 values for oviposition deterrence were 0.016 ml/l for Mnf and 0.022 ml/l for Snf. ED50 value of ovicidal effects for Mnf- and Snf-treated eggs were 0.014 ml/l for both fractions. GC-MS analysis showed 8 dominant compounds in Mnf and 5 dominant compounds in Snf. Overall it is concluded that Mnf and Snf oils have effective biological activities against stored pest C. maculatus and have potential to be considered as alternatives to synthetic insecticides.

1970 ◽  
Vol 28 ◽  
pp. 1-5 ◽  
Author(s):  
M Khalequzzaman ◽  
Sadia Nazneen Rumu

Toxicity of pirimiphos-methyl and three essential oils, viz. cardamom [Elettaria cardamomum (L.) Maton.], cinnamon (Cinnamomum aromaticum Nees) and clove [Syzygium aromaticum (L.) Merr. & Perry]; either singly or in mixture in different ratios were investigated on the cowpea weevil, Callosobruchus maculatus (F.) adults, through residual film bioassay. The LD50 of pirimiphos-methyl was 0.011 μg cm-2 and that of cardamom, cinnamon and clove oils were 20.68, 12.38 and 16.89 μg cm-2 respectively after 24 h post-treatment. Pirimiphos-methyl and tested essential oils were used as mixture of 1:1, 1:2, 1:5, 1:10 and 1:20 and the LD50 values were calculated. All essential oils when combined with pirimiphos-methyl proved to be antagonistic effect against C. maculatus adults except cardamom oil which offered synergistic effect at the 1:20 ratio with pirimiphos-methyl. Key words: pirimiphos-methyl; cardamom; cinnamon; clove; LD50; synergism. DOI: 10.3329/ujzru.v28i0.5277 Univ. j. zool. Rajshahi. Univ. Vol. 28, 2010 pp. 01-05


2017 ◽  
Vol 52 (1) ◽  
pp. 10-17 ◽  
Author(s):  
José Vargas de Oliveira ◽  
Solange Maria de França ◽  
Douglas Rafael e Silva Barbosa ◽  
Kamilla de Andrade Dutra ◽  
Alice Maria Nascimento de Araujo ◽  
...  

Abstract: The objective of this work was to assess the fumigant and repellent effects of essential oils on adults of Callosobruchus maculatus and to identify the chemical composition of two of the tested essential oils. For the fumigation test, the oils of Schinus terebinthifolius, Piper aduncum, Syzygium aromaticum, Piper hispidinervum, Cymbopogon citratus, Cinnamomum zeylanicum, and the eugenol compound were tested at different concentrations on C. maculatus adults. For the repellency test, the oils of S. terebinthifolius, P. aduncum, P. hispidinervum, S. aromaticum, Jatropha curcas, and Ricinus communis were evaluated. In the fumigation test, it was observed that P. aduncum and eugenol showed the highest and lowest LC50s, of 169.50 and 0.28 μL L-1 air, respectively. In the repellency test, the oils of S. aromaticum and P. hispidinervum were repellent to C. maculatus. Gas chromatography coupled to mass spectrometry (GC-MS) analysis of these two oils identified 42 compounds, of which safrole was the main component of P. hispidinervum and eugenol of S. aromaticum. The essential oils of S. aromaticum, C. zeylanicum, and the eugenol compound are the most promising to control C. maculatus, via fumigation.


2019 ◽  
Vol 35 (3) ◽  
pp. 1174-1181
Author(s):  
Farnaz Shafaie ◽  
Shahram Aramideh ◽  
Oruj Valizadegan ◽  
Mohammad Hassan Safaralizadeh ◽  
Ali Hosseini-Gharalari

1970 ◽  
Vol 26 ◽  
pp. 63-66 ◽  
Author(s):  
I Mahfuz ◽  
M Khalequzzaman

Toxicity of five essential oils (EOs), viz. cardamom, cinnamon, clove, eucalyptus and neem oils were investigated against the cowpea weevil, Callosobruchus maculates (Fab.) adults, through contact and fumigation bioassay. In the contact bioassay eucalyptus oil was found to be the most effective in inducing mortality both after 24 and 48 h of treatments. The toxicity of the oils followed in the order: eucalyptus > clove > cinnamon > cardamom > neem. In the fumigation bioassay, however, a reverse result was obtained with eucalyptus oil where it shows the last position for 24 h and fourth position for 48 h after treatments. The efficacy in respect of the toxicity followed in the order: clove > cinnamon > cardamom > neem > eucalyptus after 24 h after treatment, and clove > cinnamon > cardamom > eucalyptus > neem after 48 h after treatments. Keywords: Essential oil, bioassay, LD50, C. maculates Univ. j. zool. Rajshahi Univ. Vol. 26, 2007. pp. 63-66


2020 ◽  
Vol 10 (3) ◽  
pp. 208-215 ◽  
Author(s):  
Talia Serseg ◽  
Khedidja Benarous ◽  
Mohamed Yousfi

Background: Essential oils have been used for centuries. EOs are gaining increasing interest because of their acceptance by consumers and their safe status. For the first time, the effect of essential oils on the inhibition of lipases has been investigated in this work. Objective: We aimed in this study to investigate in vitro the inhibitory effects of the three essential oils of most used spices: Peppermint (Mentha piperita L.), cinnamon (Cinnamomum zeylanicum L.) and Cloves (Syzygium aromaticum L. Merr. et Perry) against Candida rugose lipase. In silico studies using molecular docking have been achieved to study the inhibition mechanism of major compounds of EO: menthol, carvacrol, eugenol and cinnamylaldehyde toward CRL. Methods: The inhibitory effect of three essential oils were determined by candida rugosa enzyme and pNP-L as substrate using spectrophotometry. Autodock vina was used for molecular docking with 50 runs. Results: We have found that these essential oils have a strong inhibitory effect with IC50 values 1.09, 1.78 and 1.13 mg/ml compared with Orlistat 0.06 mg/ml. The results show competitive inhibition for the three major compounds Menthol, Carvacrol and Eugenol with uncompetitive inhibition for Cinnamaldehyde. Different repetition ratios of hydrogen bonds and hydrophobic interactions were observed. The saved interactions were with His449, Ser209, Gly123, Gly124 and Phe344 for all molecules. Conclusion: These observations support using and considering essential oils and their major compounds as good sources for design new drugs to treat candidiasis and other diseases related to Lipases.


Author(s):  
Douglas Rafael e Silva Barbosa ◽  
José Vargas de Oliveira ◽  
Paulo Henrique Soares da Silva ◽  
Mauricéa Fidelis Santana ◽  
Mariana Oliveira Breda ◽  
...  

Plants ◽  
2021 ◽  
Vol 10 (7) ◽  
pp. 1368
Author(s):  
Trifone D’Addabbo ◽  
Pinarosa Avato

Essential oils (EOs) can be a large source of new food-safe and healthy nematicidal products, due to their strong activity on crop pathogens and pests, including phytoparasitic nematodes, as well as to their low environmental persistence. This review summarizes the results from our 10-year studies on chemical features and nematicidal properties of 16 EOs with different botanical origins and compositions, i.e., the EOs from Artemisia herba-alba Asso (Asteraceae), Cinnamomum camphora (L.) J. Presl. and Cinnamomum verum J. Presl. (Lauraceae), Citrus aurantium L., Cinnamomum. sinensis L. Osbeck and Ruta graveolens L. (Rutaceae), Eucalyptus citriodora Hook, Eucalyptus globulus Labill. and Syzygium aromaticum (L.) Marry et Perry (Myrtaceae), Mentha piperita L., Monarda didyma L., Monarda. fistulosa L., Rosmarinus officinalis L. and Thymus satureioides Cosson (Lamiaceae), Pelargonium asperum Ehrh ex Willd (Geraniaceae) and Schinus molle L. (Anacardiaceae). All these EOs were chemically characterized and tested in vitro and/or in vivo for their activity against the phytoparasitic species Meloidogyne incognita Kofoid et White (Chitw.), Pratylenchus vulnus Allen et Jensen and Xiphinema index Thorne et Allen. Toxicity bioassays were conducted by exposing 2nd stage juveniles (J2) of M. incognita, mixed-age specimens of P. vulnus and adult females of X. index to 2–100 μg mL−1 concentrations of EOs or EO’s major constituents for 4–96 h and checking mortality effect after a further 24–72 h permanence in water. Egg hatchability bioassays consisted in exposing (24–48 h) M. incognita egg masses to 500–1000 mg mL−1 EO solutions followed by a 5-week hatching test in water. The in vivo experiments were undertaken in sandy soil strongly infested by M. incognita and treated with different doses of EOs, applied either in water solution or by fumigation. The effects of the treatments on nematode infestation on tomato and in soil were checked at the end of each experiment. Structure-activity relationships, as suggested by the different chemical compositions of tested EOs, were also highlighted. In agreement with literature data, our studies indicated that most of the tested EOs are highly suitable for the formulation of new safe nematicides, though still retarded by the lack of efficient stabilization processes and standardized EOs’ components and extraction techniques.


Agronomy ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 2314
Author(s):  
Olga V. Shelepova ◽  
Tatyana A. Dilovarova ◽  
Alexander A. Gulevich ◽  
Ludmila S. Olekhnovich ◽  
Anna V. Shirokova ◽  
...  

In this work, we studied in vitro propagation of three cultivars of Mentha × piperita L. Murashige and Skoog medium (MS) supplemented with 0.5 mg·L−1 BAP was the most optimal medium for micropropagation of the cultivars studied. The ability of peppermint plants field-acclimated after in vitro micropropagation to produce essential oils (EOs) was investigated. EO was obtained by hydrodistillation from dried leaves and flowering shoots from control (field grown) plants and plants acclimated in field conditions after in vitro propagation. The samples were collected at the first and second year of vegetation, and their chemical composition was investigated using gas chromatography-mass spectrometry (GC-MS). Differences were observed in the yield, as well as in the quantitative and qualitative composition of the EOs extracted from the control plants and field-acclimated plants after in vitro propagation. Menthol was the main component of the EO in control plants, while pulegone and menthone were dominant in the EO pattern in field-acclimated in vitro regenerants in the first year of the growing season. However, in the second year of vegetation, the content of the main EO components in field-acclimated peppermint plants was approximately the same as in control plants. The antioxidant activity of EOs extracted from field-acclimated after in vitro micropropagation plants was found to be the same as in control field-grown M. × piperita plants.


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