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Antibacterial activity of Eupatorium glandulosum leaves.

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Antibacterial screening of petroleum ether, chloroform, ethyl acetate, methanol and aqueous extracts of Eupatorium glandulosum leaves exhibited a broad spectrum of inhibitory activity against Gram (+) and Gram (-) pathogenic bacteria.

Antibacterial compounds from Siraitia grosvenorii leaves.

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Luo Han Guo (LHG) fruits (Siraitia grosvenorii Swingle) have been used as traditional medicine in China for centuries to treat sore throats and coughs. However, LHG leaves are seldom used and minimal scientific information is available on them. In our recent study on the leaves of S. grosvenorii,

Antibacterial activity of Nicotiana tabacum leaves.

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Nicotiana tabacum leaf 60% methanolic extract exhibited antibacterial activity against six out of nine bacterial isolates at a concentration of 25 mg/ml.

[Bactericidal properties of green plant leaves].

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Antibacterial activity of Mappia foetida leaves and stem.

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Successive petroleum ether, chloroform and methanol extracts of Mappia foetida leaves and stem were tested for their antibacterial activity. The methanol fractions were found to be most effective against all the tested organisms.

Antibacterial Constituents of Hainan Morinda citrifolia (Noni) Leaves.

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Noni (Morinda citrifolia L.) is an edible and medicinal plant distributed in Hainan, China. The antibacterial activities of the extracts of water (WE), petroleum ether (PEE), ethyl acetate (EAE), chloroform (CE), and n-butanol (BE) were assayed by the disk diffusion method. The results showed that

Antibacterial xanthones from the leaves of Garcinia nigrolineata.

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Ten new 1,3,5-trioxygenated xanthones, nigrolineaxanthones J-S (1-10), one new quinone derivative, nigrolineaquinone A (11), and one new isoflavone-like compound, nigrolineaisoflavone A (12), were isolated from the leaves of Garcinia nigrolineata along with four known xanthones and friedelin. Among

Antibacterial compounds from the leaves of Acanthopanax senticosus.

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Chiisanogenin (1), hyperin (2) and chiisanoside (3) were isolated from the leaves of Acanthopanax senticosus, and were tested for their inhibitory activities against 6 strains of bacteria. Among them, chiisanogenin (1) revealed broad but moderate antibacterial activities against G (+) and G (-)

Antibacterial neolignans from the leaves of Melaleuca bracteata.

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Phytochemical study on the leaves of Melaleuca bracteata resulted in the isolation of ten compounds including three new neolignans, named melaleucins A-C (1-3). Among them, melaleucin B shares a rarely occurring nor-neolignan skeleton, and both melaleucins B and C bear a novel aldehyde moiety, which

Antibacterial activity of the leaves of Phyllanthus discoideus.

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The lyophilized aqueous extract (LWE) from the leaves of Phyllanthus discoideus was found to show an antibacterial activity. The alkaloid fraction obtained from LWE inhibited the growth of Escherichia coli and Enterococcus faecium (MIC = 1.6 mg/ml), Pseudomonas aeruginosa (MIC = 0.78 mg/ml),

Antibacterial triterpenoids from the leaves of Ilex hainanensis Merr.

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One new triterpenoid (1) and seven known analogues (2-8) were isolated from the leaves of Ilex hainanensis Merr.. Their structures were established by analysis of their MS, 1D and 2D NMR spectroscopic data and comparison with those in the literature. The antibacterial activity of compounds 1-8 were

Characterization of Antibacterial-Producing Endophytic Fungi of Syzygiumpolyanthum Leaves.

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Endophytic fungi lives in plants tissue and can produce the same bioactive compounds as its host plant produces. Syzygiumpolyanthum leaves have known to be one of the antibacterial compound producer. This study aimed to characterize morphologically, microscopically, and molecularly the

An antibacterial substance from the leaves of Arbutus menziesii.

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Antibacterial activities of triterpenoidal compounds isolated from Calothamnus quadrifidus leaves.

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Calothamnus quadrifidus R.Br has many traditional uses and there are few reports about its chemical and biological activities. So our aim is to isolate the triterpenoidal compounds from dichloromethane fraction (DCMF) of Calothamnus quadrifidus R.Br leaves and in addition to evaluate

Antibacterial Activity of Leaves of Cadaba trifoliata (Roxb.) Wt. & Arn.

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Antibacterial activity of aqueous and ethanol leaf extracts of Cadaba trifoliata was evaluated by cup plate method against bacterial strains such as Staphylococcus aureus, Bacillus subtilis, Acinetobacter, Enterobacter aerogenes, Erwinia and Escherichia coli. The ethanol extract of the leaves

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