Les activités biologiques et les propriétés de l’huile de l’Origanum glandulosum Desf

Mechergui, Kaouther; Jaouadi, Wahbi; Coelho, José Augusto Paixão; Serra, Maria Celeste; Khouja, Mohamed Larbi

doi:10.1007/s10298-015-0963-x

Cited by 9 publications

(5 citation statements)

References 17 publications

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“…It has a long history of use as a medicinal plant in numerous applications (Miara et al 2019;Bouzabata and Mahomoodally 2020). Researchers reported the richness of this species on biomolecules, especially essential oils, which are responsible for its biological activities such as antibacterial, antioxidant, and antifungal (Mechergui et al 2016;Nabti et al 2020).…”

Section: Status Of Medicinal Plants Used During Covid-19 and Its Impa...mentioning

confidence: 99%

An Algerian endemic species in danger to disappear due to pandemic, Origanum vulgare subsp. glandulosum (Desf.) Letsw

Adouani

Boulaacheb

2022

Biodiversitas

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Abstract. Adouani I, Boulaacheb N. 2022. An Algerian endemic species in danger to disappear due to pandemic, Origanum vulgare subsp. glandulosum (Desf.) Letsw. Biodiversitas 23: 3147-3155. Algeria is known for its rich flora, and the traditional use of medicinal plants is very ancient. The use of medicinal plants is extremely intensified during the COVID-19 pandemic. To enumerate the most used species by the Algerian population, two ethnobotanical surveys have been conducted from October to December 2021. Thirty herbalists were interviewed, and 165 respondents participated in an online survey. The results showed that a total of 25 species belonging to 16 botanical families had been reported to be used in different modes of preparation to prevent or treat the infection. One of the locally used species is Origanum vulgare subsp. glandulosum (Desf.) letsw. Generally, Algerians internally use this species as a tea or as a powder preparation with honey or only the powder with water to treat many health problems such as diarrhea, colds, coughs, respiratory infections, rheumatism, and menstrual symptoms. Otherwise, the powder of the plant is externally used alone or with olive oil to cure several illnesses such as rheumatism, and skin irritations. Due to the extensive use of this species during the pandemic, the demand in the market has increased, as also the price. Herbalists reported that they have received between 30-300 people affected or not by COVID-19 per day. The price went from 1500-5000 DA per kg (10.33-34.42 USD). Therefore, the increase rate is expected to be 50-80% for the demand, and 50-90% for the price. This increase in demand during COVID-19 has led to an exaggerated and random collection of species at different stages of the development of the plant. Although O. vulgare subsp. glandulosum is a common species, but it can be rare or even disappear due to the extensive collection without protective measures due to COVID-19. Therefore, it is important to engage policies for the conservation and cultivation of O. vulgare subsp. glandulosum.

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Section: Status Of Medicinal Plants Used During Covid-19 and Its Impa...mentioning

confidence: 99%

An Algerian endemic species in danger to disappear due to pandemic, Origanum vulgare subsp. glandulosum (Desf.) Letsw

Adouani

Boulaacheb

2022

Biodiversitas

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“…This plant is used by local populations in traditional medicine to treat numerous diseases and is also commonly used as a skin powder in traditional bathrooms [2,[20][21][22][23]. O. glandulosum is also used in culinary preparations, as a food additive, in the breeding of bees, as a powerful disinfectant, and as an ingredient in perfumes [22,24]. O. glandulosum is rich in essential oils that have antibacterial, antifungal, insecticidal, antioxidant, antithrombin, antimutagenic, angiogenic, antiparasitic, and antihyperglycemic properties [20,24,25].…”

Section: Introductionmentioning

confidence: 99%

“…O. glandulosum is also used in culinary preparations, as a food additive, in the breeding of bees, as a powerful disinfectant, and as an ingredient in perfumes [22,24]. O. glandulosum is rich in essential oils that have antibacterial, antifungal, insecticidal, antioxidant, antithrombin, antimutagenic, angiogenic, antiparasitic, and antihyperglycemic properties [20,24,25]. In the literature, thymol, carvacrol, γ-terpinene, and p-cymene are reported as the main components [2,24].…”

Section: Introductionmentioning

confidence: 99%

“…O. glandulosum is rich in essential oils that have antibacterial, antifungal, insecticidal, antioxidant, antithrombin, antimutagenic, angiogenic, antiparasitic, and antihyperglycemic properties [20,24,25]. In the literature, thymol, carvacrol, γ-terpinene, and p-cymene are reported as the main components [2,24]. These chemicals have received increasing interest, particularly carvacrol, due to their many biological activities, including antibacterial and antifungal activities, antispasmodic effects, acetylcholine esterase inhibition, lipid peroxidase inhibition, radical scavenging effect, and cardiac depressant activity [24].…”

Section: Introductionmentioning

confidence: 99%

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Chemical Composition and Biological Activities of Oregano and Lavender Essential Oils

et al. 2021

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Folk medicine uses wild herbs, especially from the Lamiaceae family, such as oregano and lavender, in the treatment of many diseases. In the present study, we investigated the antibacterial activity of the essential oils of Origanum glandulosum Desf. and Lavandula dentata L. against multidrug-resistant Klebsiella pneumoniae strains. The chemical composition of essential oils and their effect on the ultrastructure of the tested bacteria and on the release of cellular components that absorb at 260 nm were studied. Furthermore, the cytotoxicity and the production of reactive oxygen species in human lymphocytes treated with essential oils were evaluated. Thymol (33.2%) was the major constituent in O. glandulosum, and β-pinene (17.3%) was the major constituent in L. dentata. We observed ultrastructural damage in bacteria and increased release of cellular material. Furthermore, ROS production in human lymphocytes treated with essential oils was lower than in untreated lymphocytes and no cytotoxicity was observed. Therefore, the essential oils of lavender and oregano could be used as a source of natural antibacterial and antioxidant agents with potential pharmacological applications.

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“…They are widely cultivated for medicinal, perfumery, culinary and ornamental purposes [1]. Members of this family are a source of strong aromatic essential oils, tannins, saponins and organic acids [2,3]. Eight Lamiaceae plants with a widespread distribution in central India, viz.…”

Section: Introductionmentioning

confidence: 99%

Nutritional, Spectral and Thermal Characteristic of Lamiaceae Seeds

Sahu

Chakradhari

Patel

et al. 2019

EJMP

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Aims: Species of the family Lamiaceae possess a rich tradition of use for flavoring and medicinal purposes. This paper focusses on the nutritional and thermal characteristics of the seeds from eight species belonging to this family: Gmelina arborea Roxb. ex Sm., Hyptis suaveolens (L.) Poit., Leonotis nepetifolia (L.) R.Br., Ocimum americanum L., Ocimum sanctum L. (Rama Tulsi), Ocimum tenuiflorum L. (Krishna Tulsi), Origanum vulgare L. and Tectona grandis L.f. Methodology: The oil, starch, total polyphenol, flavonoid and mineral contents for aforementioned seeds were determined. Fourier-transform infrared (FTIR) spectroscopy was used to assess the phytoconstituents. Thermogravimetric/derivative thermogravimetric analyses (TG/DTG) and differential scanning calorimetry (DSC) analyses were performed to analyze the decomposition patterns. Results: The concentrations of oil, starch, total polyphenol, flavonoids and minerals for the seeds from the eight plants under study ranged from 11.8 to 50.4%, from 0.22 to 1.84%, from 295 to 5842 mg/kg, from 1660 to 12680 mg/kg and from 11756 to 33927 mg/kg, respectively. Unsaturated oils, polyphenols and lignin were recognized by vibrational spectroscopy. The sequence of thermal effects in the seed pyrolysis process above 100°C have been put in relation to seed protein crystallization (endotherm at 200°C), oxidation reactions and degradation of hemicellulose and other fiber components (at around 300°C), and decomposition of polyunsaturated (at 357°C) and mono-unsaturated (at 391°C) triglycerides. Conclusion: Lamiaceae seeds are potential food alternatives to cereals.

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Les activités biologiques et les propriétés de l’huile de l’Origanum glandulosum Desf

Cited by 9 publications

References 17 publications

An Algerian endemic species in danger to disappear due to pandemic, Origanum vulgare subsp. glandulosum (Desf.) Letsw

An Algerian endemic species in danger to disappear due to pandemic, Origanum vulgare subsp. glandulosum (Desf.) Letsw

Chemical Composition and Biological Activities of Oregano and Lavender Essential Oils

Nutritional, Spectral and Thermal Characteristic of Lamiaceae Seeds

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