Eleutherine americana Merr. ex K. Heyne is a related herb and its rhizome is used as a folk medicine for the treatment of coronary disorders (Ding & Huang. PDF | Eleutherine americana Merr., a medicinal plant, which has been widely cultivated in South East Asia. Ethnobotanically, the plant is known. Three new constituents were isolated from Eleutherine americana Merr. et K. Heyne (hong-cong) by means of silica gel, octadecyl silane (ODS) column.

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Eighteen species of the genus Campylobacter Humphrey et al. Elecanacin, a novel new naphthoquinone from the bulb of Eleutherine americana. The bactericidal activity of the ethanolic extract of E. Among Spanish-speakers, the plant is known as lagrimas de la virgen “tears of the virgin”.

Prevalence and antibiotic susceptibility of thermophilic Campylobacter species in broiler chickens. The MIC values of the extract against Campylobacter isolates from humans and chicken samples ranged from Fatal case of Campylobacter lari prosthetic joint infection and bacteremia in an immunocompetent patient.

These infections are attributable to multiple sources, including the consumption of raw or undercooked poultry Campylobacter Attorney, Elecanacin, a novel new aamericana from the bulb of Eleutherine americana. Macrolide resistance in Campylobacter jejuni and Campylobacter coli. A candidate for the control of Campylobacter species T.


Close mobile search navigation Article navigation. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. At 4 MIC, the level of the tested isolates decreased by 2 to 5 log-fold within 8 h. The calculated molecular formula is consistent with the 1 H NMR and 13 C NMR spectra, from which signals due to 14 carbons and integration of 12 hydrogen atoms were evident Table.

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Under similar conditions, the fraction 10 Rt 45 min; elwutherine mg was eluted with a mixture of hexane-dichloromethane-acetonitrile wmericana Three of them, 23and 4were identified by comparison of their physical and spectral data with those published in the literature Hara et al.

Furthermore, signals from four methyne, one methylene and two methyl groups could be distinguished in the DEPT sub-spectrum, thus corroborating the number of hydrogen atoms in the molecule.

Olivier, and Eleutherine americana Merr. The MBC values of the extract on Campylobacter isolates from humans and chicken samples ranged from Antibiotic resistance in Campylobacter jejuni and Campylobacter coli isolated from poultry in the South-East Queensland region.

The spectral and physical properties of 23and 4 were identical to those published in the literature Hara et al. Like other Eleutherine species, E.


The experiments were performed in duplicate, and inhibition zones were averaged and compared with the standard values eleuthfrine categorize whether the antibiotic was susceptible or resistant. Emergence of quinolone resistance among chicken isolates of Campylobacter in Turkey. Preliminary evaluations of the antibacterial activity of R.

An outbreak of Campylobacter food poisoning in a health care setting. Performance standards for antimicrobial disk susceptibility tests. Services on Demand Journal. These data are compatible with a 5-methoxy-1,4-naphthoquinone substructure Fig.

The 1 H NMR spectrum showed signals due to three vicinal aromatic protons at d 7. Antimicrobial effects of Acacia nilotica and Vitex doniana on the thermophilic Campylobacter species.

Eleutherinone, a novel fungitoxic naphthoquinone from Eleutherine bulbosa (Iridaceae)

Minimum inhibitory concentration MIC of the extract against Campylobacter isolates from humans and chicken samples ranged from The pure compounds were subjected to the ammericana assay with the spores of C. The presence of fungitoxic substances was detected by the appearance of an inhibition zone.

Antibiotic resistance profiles of Campylobacter spp. Previous studies in Thailand showed the emergence of Campylobacter spp.