January 2011

Phytochemical extraction and antimicrobial properties of different medicinal plants: Ocimum sanctum (Tulsi), Eugenia caryophyllata (Clove), Achyranthes bidentata (Datiwan) and Azadirachta indica (Neem)

  Aqueous ethanolic extract of four medicinal plants were subjected to in vitro antibacterial assay against human pathogenic Escherichia coli, Salmonella typhi, Salmonella paratyphi, Staphylococcus aureus, Klebsiella pneumoniae, Pseudomonas aeruginosa employing cup diffusion method. Among four plants tested Eugenia caryophyllata (Clove) was found to be the most effective...

Author(s):   Bishnu Joshi, Govind Prasad Sah, Buddha Bahadur Basnet, Megh Raj Bhatt, Dinita Sharma, Krishna Subedi, Janardhan Pandey and Rajani Malla  

January 2011

Potentials of Gladiolus corms as an antimicrobial agent in food processing and traditional medicine

  The genus Gladiolus (Family: Iridaceae) has 260 species of a perennial herb. In West Africa the corms of Gladiolus species are used in food and Traditional Medicine, often in combination with other plant materials. This study aimed at verifying the basis for the use of these corms in both instances. Aqueous extracts of the corms obtained in Benue State, Nigeria, were tested for...

Author(s): Sunday J. Ameh, Obiageri O. Obodozie, Patrick O. Olorunfemi, Innocent E. Okolikoand Nelson A. Ochekpe

January 2011

Antimicrobial agents from the leaf of Struchium sparganophora (Linn) Ktze, Asteraceae

  Three Antimicrobial agents from the leaf of Struchium sparganophora were isolated by chromatographic methods and characterized. The microbial inhibitory activity of these compounds was investigated against Gram-positive, Gram-negative bacteria and fungi. The antimicrobial activity of some of these compounds was similar in some of the micro-organisms used for the tests...

Author(s): L. S. Kasim, V. A. Ferro, O. A. Odukoya, Allan Drummond, G. E. Ukpo, Veronique Seidel,  A. I. Gray and Roger Waigh

January 2011

Comparative studies of antibacterial effect of some antibiotics and ginger (Zingiber officinale) on two pathogenic bacteria

  This study investigated the comparative effect of ginger (Zingiber officinale) and some antibiotics on two pathogenic  bacteria. The plant extracts were prepared by weighing the plant leaves and root (20, 40, 60, 80 and 100 g) into 100 mls  of water and ethanol (at g/100 ml) and grounded to determine the extract concentrations. Serial  dilutions of the antibiotics...

Author(s): A. Sebiomo, A. D. Awofodu, A. O. Awosanya, F. E. Awotona and A. J. Ajayi