Evaluation of the efficiency of allspice, thyme and rosemary essential oils on two foodborne pathogens in in-vitro and on alfalfa seeds, and their effect on sensory characteristics of the sprouts

Lorenzo-Leal, Ana C.; Palou, Enrique; López‐Malo, Aurelio

doi:10.1016/j.ijfoodmicro.2019.02.008

Cited by 38 publications

(21 citation statements)

References 23 publications

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“…The chemical function of the component could also decrease the EO antimicrobial activity, since phenols are usually more effective than cinnamic aldehydes, followed by alcohols, aldehydes, ketones, ethers, and hydrocarbons [42]. As mentioned in the Materials and Methods section, a previous study from our group reported that the eugenol was the major compound (~90%) of the PD EO [25]. Eugenol is a phenolic compound with reported antimicrobial activities [4] and was likely responsible for the antimicrobial activity in our study.…”

Section: Resultsmentioning

confidence: 99%

“…In the case of RO, the major components of the EO were α -pinene, 1,8-cineole or eucalyptol, and camphor [25]. The antibacterial activity of α -pinene has been reported against E. coli and S. aureus .…”

Section: Resultsmentioning

confidence: 99%

“…The chemical analysis of both EOs was analyzed by gas chromatography equipped with a mass spectrometer, as published [25]. The main components of the PD EO were eugenol (~90%) and α -terpineol (2%), and the main components of RO EO were α -pinene (27%), camphor (21%), and 1,8 cineole (~21%) [25].…”

Section: Methodsmentioning

confidence: 99%

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Antimicrobial, Cytotoxic, and Anti-Inflammatory Activities of Pimenta dioica and Rosmarinus officinalis Essential Oils

Lorenzo-Leal

Palou

López‐Malo

et al. 2019

BioMed Research International

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Essential oils (EOs) are natural products composed of a mixture of volatile and aromatic compounds extracted from different parts of plants that have shown antimicrobial activities against pathogens. In this study, EOs extracted from Pimenta dioica (Myrtaceae) and Rosmarinus officinalis (Lamiaceae) were assessed for their antimicrobial activities using a panel of pathogenic Gram-positive, Gram-negative, and fungal strains. The antimicrobial activity was measured by the minimal inhibitory concentration required for the growth inhibition of the microorganisms. The cytotoxicity of the EOs was tested ex vivo using the model of human-derived macrophage THP-1 cells. In addition, an inflammatory response was evaluated using the anti-inflammatory cytokine IL-10 and the proinflammatory cytokines IL-6 and TNF-α. Results showed that both EOs had antimicrobial activity and different pathogens were exposed to concentrations ranging between 600 and 2000 μg/mL. In addition, the EOs showed no inflammatory activity when exposed to human macrophages, but a potent anti-inflammatory activity was measured when the oil from Rosmarinus officinalis was exposed to macrophages. This study demonstrates that the use of EOs is an effective alternative for pathogenic bacterial and fungal control, alone or in combination with antibiotic therapy. Moreover, the oil extracted from Rosmarinus officinalis could be used as potent anti-inflammatory agent.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Antimicrobial, Cytotoxic, and Anti-Inflammatory Activities of Pimenta dioica and Rosmarinus officinalis Essential Oils

Lorenzo-Leal

Palou

López‐Malo

et al. 2019

BioMed Research International

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“…We know that the essential oil extracted from P. dioica has antioxidant and cytotoxic activity against some cancer strains [13], molluscicide against Biomphalaria glabrata [14], acaricide [12], antibacterial in foods [15,16], larvicide and adulticide against Aedes aegypti [17], antiradical [18] and antifungal against only Fusarium oxysporum and F. verticillioides [19]. As we see, until now there is no study of the use of this essential oil against special forms F. oxysporum f. sp.…”

Section: Discussionmentioning

confidence: 99%

Chemical composition and biological activity of the essential oil of the fruits Pimenta dioica against formae speciales of fungus Fusarium oxysporum

Gomes¹,

Barros²,

Reis³

et al. 2020

Rev. Colomb. Cienc. Quím. Farm.

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We determined the chemical composition and explored the hypothesis that the essential oil of the fruits of Pimenta dioica inhibits the mycelial development of fungi Fusarium oxysporum f. sp. lycopersici, F. oxysporum f. sp. passiflorae, F. subglutinans f. sp. ananas , F. oxysporum f. sp. vasinfectum e F. oxysporum f. sp. Cubense. To do this, we extracted the oil by hydrodistillation, identified its components by gas chromatography coupled to mass spectrometry (GC-MS) and determined the fungal activity against five special forms of Fusarium species. The results showed that the oil had 76.88% of eugenol and inhibited the mycelial development of fungi up to 97.78% in an average of 7.2 days. Therefore, oil is a potential natural fungicide.

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“…The high business estimation of Thymus leaves and blossoms, as a result of their tip top basic oil parts and auxiliary metabolites make it an imperative harvest in various fields of prescription [7]. There has been an overall increment in customer interest for crisply created products of the soil essentially on the grounds that they are related with medical advantages [8]. The structure and capacity of these secretory structures is very much reported in the Lamiaceae and they have been considered as the dynamic site of fundamental oil biosynthesis, emission and collection [6].…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial Effect of Non-polar Compounds Extracted from Medicinal Plants

Ghazanfar¹,

Shahid²,

Liu³

et al. 2020

AJFN

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The learning is too focussing on identification of compounds dependable for the antimicrobial. Medicinal plants have a significant wellspring of pharmacological impacts that goes about as new of diseases, anti-infections, antioxidant and hostile to malignancy operators. In this study, antimicrobial and antioxidant properties of thyme (Thymus vulgaris L.) black pepper (Piper nigrum L.) Cinnamon (Cinnamomum verum L.) green tea (Camellia sinensis L.) nutmegs (Myristicafragrans Houtt) were investigated. Medicinal plants are generally devoured around the world; green tea contains a lot of non-oxidized flavonoids, named catechins. Therapeutic plants are additionally proof that lessens oxidative pressure hostile to diabetic and switches endothelial brokenness. The examination was led to investigate the antimicrobial and cancer prevention agent properties. The antimicrobial activities were analyzed by disc diffusion test against chosen microbial strain. Anti-microbial activity of n-hexane extract from medicinal plants against two "Gram positive" microscopic organisms viz Staphylococcus aureus and Bacillus subtils two "Gram negative" microorganisms, for example, Pasturellamultocida and Escherichia coli was performed. The antimicrobial effects showed that 30% concentration of n-hexane black pepper (Piper nigrum L.) extract had a strong activity against Bacillus subtills (64±1) and 50% concentration of thyme (Thymus vulgaris L.) extract against Staphylococcus aureus (23±1). The consequences of against oxidant activities uncovered that the most noteworthy all out phenolic substance and complete flavonoid substance were noted after extract of plants. Free radical rummaging action was most extreme in n-hexane extract of plants. Reducing power assay was most extreme extracts of plants. Biofilm activity of plants extracts n-hexane against two bacteria viz Staphylococcus aureus and such as Escherichia coli was done. The extract shows maximum hemolysis of erythrocytes. It was seen that all verified microbial strains were sensitive ">0.82 activity value" to extract that showed a higher antimicrobial impact. Keep in outlook the significance of flavonoids and other bioactive compounds this investigation concentrated on evaluating natural compounds utilizing remove at various fixation.

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Evaluation of the efficiency of allspice, thyme and rosemary essential oils on two foodborne pathogens in in-vitro and on alfalfa seeds, and their effect on sensory characteristics of the sprouts

Cited by 38 publications

References 23 publications

Antimicrobial, Cytotoxic, and Anti-Inflammatory Activities of Pimenta dioica and Rosmarinus officinalis Essential Oils

Antimicrobial, Cytotoxic, and Anti-Inflammatory Activities of Pimenta dioica and Rosmarinus officinalis Essential Oils

Chemical composition and biological activity of the essential oil of the fruits Pimenta dioica against formae speciales of fungus Fusarium oxysporum

Antimicrobial Effect of Non-polar Compounds Extracted from Medicinal Plants

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