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.
| Author: | Gujin Mikarn |
| Country: | Singapore |
| Language: | English (Spanish) |
| Genre: | Travel |
| Published (Last): | 10 November 2006 |
| Pages: | 284 |
| PDF File Size: | 8.62 Mb |
| ePub File Size: | 3.82 Mb |
| ISBN: | 467-6-14125-630-7 |
| Downloads: | 29044 |
| Price: | Free* [*Free Regsitration Required] |
| Uploader: | Tall |
Hongconin, a new naphthalene derivative from the rhizome of Eleutherine americana Hong-Cong. Prevalence and antibiotic susceptibility of thermophilic Campylobacter species on beef, mutton, and chicken carcasses in Istanbul, Turkey.
A wide range of medicinal plants have been demonstrated for their antagonistic effects against pathogenic bacteria Voravuthikunchai et al. Finally, as the NOESY experiment shows the nuclear Overhouser effect between the methyl and methoxy groups, they were located on the same side of the structure. The UV absorption spectrum of 1 indicates the presence of a substituted naphthoquinone chromophore with l max at, and nm. For the clinical treatment of Campylobacter spp.
The spectral and physical properties of 23and 4 were identical to those published in the literature Hara et al. Inhibition zones ranged from 10 to 37 mm. These authors also described the inhibitory activity of isoeleutherin and isoeleutherol against HIV replication in H9 lymphocytes. These data are compatible with a 5-methoxy-1,4-naphthoquinone substructure Fig.
Eleutherinone, a novel fungitoxic naphthoquinone from Eleutherine bulbosa (Iridaceae)
Could efflux pump inhibitors control infection? Inhibitory effect of Eleutherine americana Merr. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Series of studies on the antibacterial activity of E.
Chem Pharm Bull There have been many reports of Campylobacter resistance to antibiotics Gibreel and Taylor, ; Payot et al. The inhibition zones of the isolates were from 10 to 37 mm. Campylobacter antimicrobial drug resistance among humans, broiler chickens, and pigs, France.
Antibiotic susceptibility pattern of strains of Campylobacter coli isolated in Osogbo, Nigeria. Phytase as an alleviator of high-temperature stress in broilers fed adequate and low dietary calcium. This preliminary work demonstrates the potential use of extracts from E. All structural features described so far account for eight of the nine insaturations predicted by the molecular formula.
There was a problem providing the content you requested
Macrolide resistance in Campylobacter jejuni and Campylobacter coli. Gene expression and antibody response in chicken against Salmonella Typhimurium challenge. Pattern of antibiotic susceptibility in Campylobacter jejuni isolates of human and poultry origin. Evaluation of the ability of Eleutherine americana crude extract as natural food additive in cooked pork. New Zealand has the highest rate of Campylobacter eleutherins in the world.
However, the accessibility of 2 ,for which the stereochemistry was unequivocally determined by comparison with literature data, offers the possibility to define the stereochemistry of 1 via chemical transformations.
Fatal case of Campylobacter lari prosthetic joint infection and bacteremia in an immunocompetent patient.
Mem Inst Oswaldo Cruz Comparison of the optical rotation and other physicochemical data would afford the correct stereochemistry of 1. The ethnobotany of the island Caribs of Dominica.
Retrieved 9 March — via The Plant List. Eleutherinone, a novel fungitoxic naphthoquinone from Eleutherine bulbosa Iridaceae. The bactericidal activity of the extract was studied using a time-kill assay. Further investigation of this plant species may provide an alternative medicine for Campylobacter infection that could also be applied as a food additive to prevent the infection.
Pages 41— in Recent Progress in Medicinal Plants. Six reference strains, eleutherlne, C. Different isolates from clinical specimens and chicken samples were studied for comparison purposes. Furthermore, signals from four methyne, one methylene and two methyl groups could be distinguished in the DEPT ameircana, thus corroborating the number of hydrogen atoms in the molecule. At 4 MIC, the numbers of viable cells of C.
Related articles in Web of Science Google Scholar. Reduced protein diet and amino acid concentration alter intestinal barrier function and performance of broiler chickens with or without synthetic glucocorticoid. Email alerts New issue alert. However, antibiotic resistance of Campylobacter isolates in humans and animals has increased remarkably in developing countries Shapiro et al.
The results of this investigation will be described in a forthcoming communication. Elecanacin, a novel new naphthoquinone from the bulb of Eleutherine americana. Kuntze Galatea bulbosa Mill. Our results clearly indicated that the ethanolic extract from E.
Thus, we anticipate that the the lactone carbonyl of the naphthofuran 2 could be reduced and the resulting phenol oxidized to one of the two possible enantiomers of 1. The results showed that the extract from Q. By using this site, you agree to the Terms of Use and Privacy Policy.
Arginine and manganese supplementation on the immune competence of broilers immune stimulated with vaccine against Salmonella Enteritidis. In the state of Minas Gerais, some populations near the “Rio Doce” valley make infusions of the underground bulbs of this plant to treat intestinal infections Kloos, unpublished data. Triterpenic ester from Himatanthus sucuuba Spruce Woodson.
These infections are attributable to multiple sources, including the consumption of raw or undercooked poultry Campylobacter Attorney,