Dec 17, 2020 · The essential oil composition varies according to environmental conditions, geographical area, harvesting time, and stage of plant maturity. The essential oil from plants in different countries has been evaluated in terms of chemical composition and major components have been identified depending on the area of origin .Essential oils obtained from plants collected in Italy allowed the Bioactivity of Different Chemotypes of Oregano Essential The bioassays showed that although all the three EOs chemotypes are able to exert a toxic activity against C. vomitoria adults (LD 50 from 0.14 to 0.31 L insect-1) and eggs (LC 50 from 0.008 to 0.038 L cm-2) as well as deter the oviposition (Oviposition Activity Index, OAI, from 0.40 ± 0.04 to 0.87 ± 0.02), the bioactivity of oregano EOs significantly varies among the chemotypes, with the thymol-rich EOs
Jun 04, 2014 · The major components of oregano essential oil were carvacrol, -fenchyl alcohol, thymol, and -terpinene. Hot water extract had the strongest antioxidant properties and the highest phenolic content. All extracts were ineffective in inhibiting the growth of the seven tested bacteria. Chemical composition and bioactivity of essential oil from Aug 29, 2014 · The chemical composition of a plant essential oil depends on a number of parameters, such as the environmental conditions, the season when the aromatic plants have been collected, the dehydration procedure, the storage conditions under which the collected plants were kept until their essential oil extraction, the applied method for the Essential Oil and Ethanol Extract of Oregano (Origanum Teixeira B, Marques A, Ramos C, et al. Chemical composition and bioactivity of different oregano (Origanum vulgare) extracts and essential oil. J Sci Food Agric 2013; 93(11):2707-14. J Sci Food Agric 2013; 93(11):2707-14.
Singletary K. Oregano:overview of the literature on health benefits. Nutrition Today 2010;45(3):129-38. Teixeira B, Marques A, Ramos C, et al. Chemical composition and bioactivity of different oregano (Origanum vulgare) extracts and essential oil. J Sci Food Agric 2013;93:2707-14. View abstract. Ultee A, Gorris LG, Smid EJ. Oregano:MedlinePlus SupplementsJul 10, 2020 · Teixeira B, Marques A, Ramos C, et al. Chemical composition and bioactivity of different oregano (Origanum vulgare) extracts and essential oil. J Chemical Composition and Biological Activities of Oregano May 17, 2019 · The chemical composition of oregano (Ooil), of its fractions obtained by fractional vacuum distillation (F1F4) and the undistilled remnant (Unoil) was different in each of them. -thujene, -pinene, myrcene, -terpinene, p -cymene, -phellandrene, limonene, and -terpinene were found in greater proportion in F1 and F2, this means that are considered more volatile.