Volatile organic compounds from Centaurium erythraea Rafn (Croatia) and the antimicrobial potential of its essential oil.

Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry
Igor JerkovicSpomenka Kovač

Abstract

GC and MS were used for the analysis of Croatian Centaurium erythraea Rafn essential oil (obtained by hydrodistillation) and headspace (applying headspace solid-phase microextraction). The headspace contained numerous monoterpene hydrocarbons (the major ones were terpinene-4-ol, methone, p-cymene, γ-terpinene and limonene). Oxygenated monoterpenes were present in the headspace and oil, while 1,8-cineole, bornyl acetate and verbenone were present only in the headspace. High headspace percentages of toluene and naphthalene were found, followed by hemimellitene. Lot of similarities were observed with Serbian C. erythraea oil [neophytadiene (1.4%), thymol (2.6%), carvacrol (6.1%) and hexadecanoic acid (5.7%)], but different features were also noted such as the presence of menthol, menthone and phytone. The oil fractionation enabled identification of other minor compounds not found in total oil such as norisoprenoides, alk-1-enes or chromolaenin. The essential oil showed antimicrobial potential on Escherichia coli, Salmonella enteritidis, Staphylococcus aureus and Bacillus cereus. On the other hand, no antibacterial activity of the oil was observed on Pseudomonas fluorescens and Lysteria monocytogenes.

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Citations

Mar 19, 2019·Critical Reviews in Food Science and Nutrition·Fatima Reyes-JuradoRaúl Ávila-Sosa
Jul 29, 2017·BioImpacts : BI·Keyvan YousefiFatemeh Fathiazad
May 4, 2021·Journal of Ethnopharmacology·Naoual El MenyiyAbdelhakim Bouyahya
May 14, 2021·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Abdelaali BalahbibAbdelhakim Bouyahya

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