November 2014
Nutritional characteristics of guava leaves and its effects on lipid metabolism in hypercholesterolemic rats
The objective of this study was to evaluate antioxidant substances, dietary fiber and antioxidant activity of guava leaves, and evaluate their amelioration hypercholesterolemia in rats. The leaves were dried and crushed into granulated powder. The active ingredient of the leaf powder was extracted by an ethanol/acetone mixture and called ethanol/acetone extract flour. Dietary fiber, vitamin C, beta-carotene, phenolic...
November 2014
Production of fructosyltransferase by Penicillium simplicissimum in batch culture
Seventeen (17) strains of macro-fungi were screened for fructosyltransferase (FTase) production, of which Penicillium simplicissimum was selected for further work. FTase production was carried out in shake flask cultured at 30°C and 250 rpm for 48 h. For optimization of one factor-at-a-time method, effects of initial sucrose concentration, fermentation time, pH, inoculum size and agitation speed were studied on...
November 2014
Analysis of genetic diversity and population structure among exotic sugarcane (Saccharum spp.) cultivars in Ethiopia using simple sequence repeats (SSR) molecular markers
The present study was performed to study genetic relationships and population differentiation of 90 introduced sugarcane accessions in Ethiopia by means of 22 SSR molecular markers. The 22 SSR markers amplified a total of 260 alleles, of which 230 were polymorphic with a mean of 10.45 alleles per SSR locus. The range in allele number was 4–22. A high level of polymorphism with a mean of 60.51% polymorphic...
November 2014
Evaluation of some handling and processing parameters for briquetting of guinea corn (Sorghum bi-color) residue
Biomass materials require reduction and densification for the purpose of handling and space requirements. Guinea corn (Sorghum bi-color) is a major source of biomass material in the tropic regions. The densification process involves some measurable parameters, namely: pressure, particles size and binder ratio. Guinea corn residue was collected from the Teaching and Research Farm of the Federal Polytechnic at Bida in...
November 2014
Effect of equation pro and kema zed fungicides on cellulase and pectinase enzymes produced by some phytopathogenic fungi of broad bean
Two fungicides (equation pro and kema zed) were added to the medium in five doses (50,100, 200, 300 and 400 ppm active ingredient) to investigate the chemical control of cellulase and pectinase enzymes produced by some plant pathogens of broad bean. Alternaria alternata, Alternaria citri, Alternaria and Cochliobolus spicifer were isolated from diseased leaves of broad bean. The incorporation of these fungicides into the...
November 2014
Production of amylase enzyme from mangrove fungal isolates
The mangrove ecosystem serves as a bioresource for various industrially important microorganisms. The use of fungi as a source of industrially relevant enzymes led to an increased interest in the application of microbial enzymes in various industrial processes. Fungal colonies were isolated from sediments of five different mangrove ecosystems of Odisha such as Bhitarakanika, Dhamra, Mahanadi, Devi and Budhabalanga...
November 2014
Antimicrobial activity and chemical analysis of some edible oils (Clove, Kalonji and Taramira)
Antimicrobial activity of oils of Syzigium aromaticum (Clove), Nigella sativa (Kalonji) and Eruca sativa Miller (Taramira) was checked against bacteria and fungi by agar well diffusion assay. It was found that Gram negative bacteria were more sensitive to these oils as compared to Gram positive bacteria. Klebsiella pneumonia, Aspergillus flavus and Cunninghamella were found to be more sensitive organisms showing large...
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