April 2008
In vitro antibacterial activity of crude leaf extracts of Mangifera indica Linn
The active components of leaves of Mangifera indica L. were extracted using cold water and organic solvents (acetone and methanol) and were tested againstStaphylococcus aureus, Streptococcus pyogenase, Streptococcus pneumoniae, Bacillus cereus, Escherichia coli, Pseudomonas aerugenosa, Proteus mirabilis, Salmonella typhi and Shigella flexnerri using the agar well (cup plate)...
April 2008
Protein rich ingredients from fish waste for sheep feeding
Fish wastes, including viscera, heads, tails and skins, were ground and mixed with 10% molasses and inoculated with a starter culture made of Lactobacillus plantarum. The inoculated mixture was incubated at 25°C for 10 days, for a biopreservation/biotransformation by fermentation. During the fermentation period, changes in nutritional quality and biochemical properties (pH, dry matter, ash, total and...
April 2008
Quantitative Survey and anti-microbial effect of Piliostigma thonnigii and Khaya ivorensis leaves on traditional dry-yam
A survey was conducted to determine the quantity of local preservatives (‘Abafe’Piliostigma thonnigii and ‘Agehu’ Khaya ivorensis leaves) used for parboiling yam and the anti-microbial effect of the leaves on dry-yam ‘Gbodo’. Although, the study revealed that 23 g of abafe, 13 g of agehu and a combination of 12.8 g of abafe and 12.3 g of agehu will be required for...
April 2008
Fungal xylanase production under solid state and submerged fermentation conditions
Seventy fungal strains were isolated from soils collected from different parts of southern Kerala, India. The strains were screened for xylanase production using Czapek’s agar medium. On the basis of clearing zones formed, 34 fungal strains were selected and identified. Solid state and submerged fermentation were done to identify strains that could produce maximum amount of xylanase, as well as to identify those...
April 2008
Screening and optimization of metal ions to enhance ethanol production using statistical experimental designs
Ethanol production using jaggery was enhanced in submerged fermentation when the effect of metal inducers was studied using the Plackett-Burman and Box-Behnken designs. Saccharomyces cerevisiae (NCIM 3288) was used as the fermenting organism. The Plackett-Burman design was used to initially screen seven of which the four elements were found to have significant effect on ethanol production. In the next stage,...
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