{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T02:55:54Z","timestamp":1792637754968,"version":"4.5.0"},"reference-count":41,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T00:00:00Z","timestamp":1662681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Vet. Sci."],"abstract":"<jats:p><jats:italic>Trichomonas gallinae<\/jats:italic> is a flagellated protozoan that parasitizes the upper digestive tract of various bird species and causes avian trichomonosis. The emergence of resistant strains to the standard treatment, based on nitroimidazoles, increases the need to find alternative therapies. In this study, 36 essential oils (EOs) from Lamiaceae and Asteraceae plant families were tested against <jats:italic>T. gallinae<\/jats:italic> trophozoites using the 3-(4,5-dimethylthiazol-2-yl-)-2,5-dipheniltetrazolium bromide (MTT) reduction assay. Among them, EOs from distinct species of Lamiaceae, including the genera <jats:italic>Lavandula, Salvia, Thymus, Origanum<\/jats:italic>, and <jats:italic>Satureja<\/jats:italic> were the ones reporting better anti-trichomonal activity, and were selected for further analysis, including chemical composition and <jats:italic>in vitro<\/jats:italic> assays. The chemical composition of the selected EOs was determined by gas chromatography followed by mass spectrometry and 19 pure compounds were tested against the protozoa, according to their higher abundance in the active EOs. Pure compounds which displayed the highest activity against <jats:italic>T. gallinae<\/jats:italic> trophozoites, ordered by highest to lowest activity, were \u03b1 and \u03b2-thujones, camphene, \u03b2-pinene, linalyl acetate, thymol, 4-terpineol, \u03b3-terpinene, \u03b1-pinene, p-cymene, D-fenchone and \u03b2-caryophyllene. A dose dependent effect was observed in most of the EOs and pure compounds tested. The toxicity test conducted in eukaryotic cell cultures with the anti-trichomonal active pure compounds showed that \u03b2-caryophyllene, camphene, \u03b1-pinene, and \u03b2-pinene were slightly toxic for Vero cells, and the selectivity index was calculated. Based on the anti-trichomonal activity and the absence of cytotoxicity results, natural products from Lamiaceae plants could be useful as alternative therapy against avian trichomonosis, mainly those containing linalyl acetate, thymol, 4-terpinenol, \u03b3-terpinene, p-cymene and D-fenchone.<\/jats:p>","DOI":"10.3389\/fvets.2022.981763","type":"journal-article","created":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T07:27:47Z","timestamp":1662708467000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":26,"title":["Anti-Trichomonas gallinae activity of essential oils and main compounds from Lamiaceae and Asteraceae plants"],"prefix":"10.3389","volume":"9","author":[{"given":"Mar\u00eda","family":"Bail\u00e9n","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irene","family":"D\u00edaz-Castellanos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iris","family":"Azami-Conesa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara","family":"Alonso Fern\u00e1ndez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rafael A.","family":"Mart\u00ednez-D\u00edaz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juliana","family":"Navarro-Rocha","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Teresa","family":"G\u00f3mez-Mu\u00f1oz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Azucena","family":"Gonz\u00e1lez-Coloma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,9,9]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"733","DOI":"10.1017\/S0031182013002096","article-title":"Liebhart Dieter, Hess M. 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