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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Eleutherine bulbosa – Wikipedia

In other projects Wikimedia Commons Wikispecies. At 4 MIC, the numbers of viable cells of C. Assessment of antistaphylococcal activity of partially-purified fractions and pure compounds from Eleutherine americana. Antibacterial activity of ethanolic extracts 2. Hongconin, a new naphthalene derivative from the rhizome of Eleutherine americana Hong-Cong.

The presence of fungitoxic substances was detected by the appearance of an inhibition zone. To Dr L Capellari Jr. Encyclopedia of Life ID same as Wikidata Articles with ‘species’ microformats Taxonbars with automatically added basionyms.

For the clinical treatment of Campylobacter spp. The bactericidal activity of the ethanolic extracts of E. Phytase as an alleviator of high-temperature stress in broilers fed adequate and low dietary calcium. Antibiotic resistance in Campylobacter jejuni and Campylobacter coli isolated from poultry in the South-East Queensland region.

Activity of medicinal plant extracts against hospital isolates of methicillin-resistant Staphylococcus aureus. Furthermore, besides the two close carbonyl signals mentioned above, the 13 C NMR spectrum presents eight signals in the region between d and d that are compatible with a substituted p -naphthoquinone ring system Fig.

Citing articles via Web of Science 6. Some of these compounds were also found to possess diverse biological activities, such as being inhibitory against the human immunodeficiency virus, being inhibitory against topoisomerase II, and having antifungal activity Zhengxiong et al. Royal Botanic Gardens, Kew. This assay was used to guide the fractionation of this extract and allowed the isolation of four compounds: Polygodial, a fungitoxic sesquiterpene from Polygonum punctatum.


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. Antibacterial activity of crude extracts of medicinal plants used in Thailand against pathogenic bacteria. The minimum bactericidal concentration ranged from As a result the fungitoxic activity of amerlcana dichloromethane extract from bulbs of E.

Baker Ixia americana Aubl. Retrieved 9 March — via The Plant List. Plants of Haiti used as antifertility agents.

The bactericidal activity of the extract was studied using a time-kill assay. Pages 41— in Recent Progress in Medicinal Plants. Services on Demand Journal. 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. The results of this investigation will be described in a forthcoming communication.

Under similar conditions, the fraction 10 Rt 45 min; 78 mg was eluted with a mixture of hexane-dichloromethane-acetonitrile Fungal infections of a colonial marine invertebrate: Like other Eleutherine species, E. The 3 most effective plants from our continuing research work, namely, Rhodomyrtus tomentosaQuercus infectoriaand Eleutherine Americanawere selected to assess their antibacterial activity against important Campylobacter spp.

Eleutherine bulbosa is an herbaceousperennial flowering plant species in the iris family Iridaceae. The 13 C NMR spectrum showed signals relative to two carbonyls d Effect of Eleutherine americana Merr. As all sp 2 carbons were already allocated, the last insaturation must be due to a third ring based on the ether fragment deduced above.

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An outbreak of Campylobacter food poisoning in a health care setting. Macrolide resistance in Campylobacter jejuni and Campylobacter coli.

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

Susceptibility of Helicobacter and Campylobacter to crude extracts prepared from plants used in Cameroonian folk medicine. Minimum inhibitory concentration MIC of the extract against Campylobacter isolates from humans and chicken samples ranged from Reduced protein diet and amino acid concentration alter intestinal barrier function and performance of broiler chickens with or without synthetic glucocorticoid. Medium pressure column chromatography over silica gel using mixtures of hexane-ethyl acetate as eluents yielded two active fractions that were further purified by HPLC on a DIOL column to afford four compounds.

In a previous study, crude extracts from D. Antibiotic resistance profiles of Campylobacter spp. It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide. Arginine and manganese supplementation on the immune competence of broilers immune stimulated with vaccine against Salmonella Enteritidis.

Olivier, and Eleutherine americana Merr. 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. Sisyrinchium congestum Klatt Sisyrinchium elatum Seub.

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Campylobacter upsaliensis -associated diarrhea in human immunodeficiency virus-infected patients. From Wikipedia, the free encyclopedia. Latest Most Read Most Cited Modulation of broiler gut microbiota and gene expression of Toll-like receptors and tight junction proteins by diet type and inclusion of phytogenics.

This analysis leads to structure Fig.