Chemical Composition of the Essential Oil of<i>Thymus vulgaris</i>L. Grown in Iran

Abedini, Samaneh; Sahebkar, Amirhossein; Hassanzadeh-Khayyat, Mohammad

doi:10.1080/0972060x.2014.935044

Cited by 12 publications

(3 citation statements)

References 29 publications

(19 reference statements)

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“…Carvacrol (46.56%) m-cymene (39.14%) have been also proven as major chemical compounds of thyme (T. vulgaris) EO (Table A.3) as it was shown in some other works (Abedini et al, 2014;Boukhatem et al, 2020). In this study, it attained a mortality percentage of 95%.…”

Section: Discussionsupporting

confidence: 68%

Dactylopius opuntiae of cactus pear in Morocco: contact and fumigant insecticidal activities of four essential oils and hydrosols and their chemical composition

Mahdad,

Elyadini,

Bourais

et al. 2023

Preprint

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Morocco's prickly pear has high economic value. However, it’s infected by the cochineal Dactylopius opuntiae, causing massive losses. Thus, the present work aims to study insecticidal effect of bioactive natural extracts. Essential oils and hydrosols of oregano (Origanum vulgare), thyme (Thymus vulgaris), pennyroyal (Mentha pulegium) and peppermint (Mentha piperita) were tested. Two concentrations were used for essential oils (1.5% and 3%) and for hydrosols (100% and 75%) with contact and fumigant application. Mortality rate was determined after 24h of treatment. Highest values were recorded at 3% E.O concentration with contact assay comparing to fumigation. As it’s EO (99.44%), O. vulgare hydrosol has significant insecticidal activity reaching 80% of mortality rate. Chemical composition of essential oils using Gas Chromatography coupled to Mass Spectrometry (GC/MS) was studied. Bioactive compounds include carvacrol and m-cymene (O. vulgare and T. vulgaris), pulegone and l-menthone (M. pulegium) and Linalool and linalyl acetate (M. piperita). Data obtained relieved the importance of these plants as source of natural bioactive compounds against D. opuntiae.

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Section: Discussionsupporting

confidence: 68%

Dactylopius opuntiae of cactus pear in Morocco: contact and fumigant insecticidal activities of four essential oils and hydrosols and their chemical composition

Mahdad,

Elyadini,

Bourais

et al. 2023

Preprint

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“…However, significant differences were found in the proportions of the major constituents. It is possible that differences in the harvest season, geography, plant populations, and soil limitations were responsible for these differences [ 27 , 28 ].…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition and Antifungal Activity of Zanthoxylum armatum Fruit Essential Oil against Phytophthora capsici

Yang

Wang

et al. 2022

Molecules

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Pathogenic plant oomycetes cause devastating damage to fruits and vegetables worldwide. Plant essential oils (EOs) are known to be promising candidates for the development of fungicides. In this study, we isolated twelve EOs from Tetradium ruticarpum, Tetradium daniellii, Tetradium fraxinifolium, Zanthoxylum armatum, Ruta graveolens, and Citrus medica leaves and fruits. We then investigated their chemical composition and antifungal activity against phytopathogenic oomycetes. Our results demonstrated that Z. armatum fruit essential oil (ZFO) in particular substantially inhibited the mycelial growth of Phytophthora capsici. Similarly, ZFO also strongly suppressed spore production and germination of P. capsici, and the application of ZFO significantly reduced disease symptoms caused by P. capsici in pepper. Furthermore, results from microscopic and biochemical studies indicated that ZFO damaged the ultrastructure and destroyed the membrane integrity of P. capsici, leading to the leakage of the cellular contents and ultimately causing cell death. It was concluded that ZFO could enhance the activities of defense-related enzymes in pepper fruits, which may also be responsible for the inhibition of phytophthora disease. Moreover, linalool and D-limonene were proven to be the primary effective components of ZFO. Our results collectively indicate that ZFO could be a potential candidate for the management of disease caused by P. capsici.

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“…Based on previous studies, the Iranian T. vulgaris L. essential oil is comprised of carvacrol, thymol, linalool, and o-cymene [20][21][22]. One of the standardized extracts of the Iranian T. vulgaris L. is called Tymex (TMX), a brand name that is available in the form of syrup, and it is extracted from the aerial parts of the plant.…”

Section: Introductionmentioning

confidence: 99%

Comparative Evaluation of a Commercial Herbal Extract and 0.2% Chlorhexidine Mouthwash on Three Periodontal Facultative Anaerobes: An In Vitro Study

Khorasani

Kamalabadi

Sedigh

et al. 2022

International Journal of Dentistry

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Background. The application of herbal and/or chemical antimicrobial mouthwashes in addition to the mechanical methods of bacteria removal helps reduce the periopathogens and thus increase the periodontal tissues’ health. The present study aimed to evaluate the antibacterial effect of Thymex (TMX) syrup on three periodontal facultative anaerobes in vitro and compare it with 0.2% chlorhexidine (CHX) mouthwash. Methods. In this in vitro experiment, the disc diffusion method was used to measure the inhibitory halo diameter (IhD) of Enterobacter cloacae, Actinomyces viscosus, and Eikenella corrodens. The paper discs containing TMX and CHX were placed on Mueller–Hinton agar media and cultured with the mentioned bacteria. Moreover, a blank disc containing distilled water was used as a control. From each of the three bacterial species, five samples were taken, and after 18 hours of storage in the incubator, the IhDs were measured in millimeters. A one-way ANOVA test and an independent sample t-test were used to compare the mean differences of IhDs between groups. The significance level was considered to be 0.05. Results. The IhDs ranged between 6.2–8.8 mm and 12.3–34 mm for TMX and CHX, respectively. CHX showed a more inhibitory effect on all three species of bacteria compared to TMX mouthwash ( P < 0.001 ). Conclusions. Despite the inhibitory effect of TMX on bacterial growth, CHX showed significantly more antibacterial activity than TMX against three studied bacterial species.

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Chemical Composition of the Essential Oil ofThymus vulgarisL. Grown in Iran

Cited by 12 publications

References 29 publications

Dactylopius opuntiae of cactus pear in Morocco: contact and fumigant insecticidal activities of four essential oils and hydrosols and their chemical composition

Dactylopius opuntiae of cactus pear in Morocco: contact and fumigant insecticidal activities of four essential oils and hydrosols and their chemical composition

Chemical Composition and Antifungal Activity of Zanthoxylum armatum Fruit Essential Oil against Phytophthora capsici

Comparative Evaluation of a Commercial Herbal Extract and 0.2% Chlorhexidine Mouthwash on Three Periodontal Facultative Anaerobes: An In Vitro Study

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