ABSTRACT Most African foods used in weaning are usually cereal-based gruels fermented by Lactic Acid Bacteria (LAB). The food mainly supplies carbohydrate; excessive intake of which might cause malnutrition in growing children. Minimum dietary requirements of a child could be met through fortification with protein-rich supplements. Soybean is rich in dietary protein but contains some antinutritional factors and raffinose, an oligosaccharide responsible for gas formation, bloating and flatulen...
ABSTRACT of the electrical resistivity technique, which red to the seismic technique in fault seal . .. ., ....... . . . , The Agu Abor fault is a prominent growth fault that provides insights on the processes of clay smearing at the fault zone. The properties of the sheared zone in the Cretaceous Enugu Shale were investigated to evaluate the dimensions of the fault, by the use is a cheaper method when compa study. The methodology used for evaruaang tnese possltmtles Involves tne resistivity...
ABSTRACT In this study, a series of N-pyridin-3-yl substituted [phenylsulphonamido] acetamide has been synthesized. The reaction of phenylsulphonyl chloride with various amino acids in basic medium yielded phenylsulphonamido alkanoic acid which, on chlorination with thionyl chloride, gave acid chloride derivatives of phenylsulphonamido alkanoic acid in situ. The acid chloride derivatives on condensation with 3-aminopyridine gave corresponding acetamide in good to excellent yield. The compoun...
ABSTRACT Mathematical models describing the variations in the plasma glucose and J insulin levels over time in an insulin - dependent diabetic person (IDD patient) were formulated. We showed that these models can correctly describe these variations when we solved them sirnuttaneously by andytical approach rather than the normal numerical approach employed for solving non-linear differential equations. The effect of the various parameters involved in the model were tested and it was shown tha...
ABSTRACT The aqueous methanolic extracts of 20 selected plant parts were screened for in-vitro antimicrobial activity against clinical strains of Staphylococcus aureus, Bacillus subtilis, Klebsiella pneumonia, Salmonella typhi, Escherichia coli, Pseudomonas aeruginosa, Aspergillus niger and Candida albicans at a test concentration of 10mg/ml using the agar well diffusion method and penicillin G, chloramphenicol and Nystatin as controls. The seeds of Parkia biglobosa, Glycine max, Voendzeia s...
Abstract Presently, there are deep concerns over the environmental consequences and the consumption of non-renewable energy sources, with the accelerated greenhouse effect which triggered enormous interest in the use of renewable energy sources e.g. solar, hydropower, wind and geothermal. However, the intermittent nature of harvesting renewable energy sources has recently gained considerable attention in the alternative, reliable, cost effective and environmentally friendly energy storage de...
ABSTRACT The azo-ligand, 1,5-dimethyl-2-phenyl-4-[(E)-(2,3,4-trihydroxylphenyl) diazenyl]- 1,2-dihydro-3H-pyrazol-3-one (H3L) and its Zn(II) and Cd(II) complexes have been synthesized and characterized based on stoichiometric, molar conductance, electronic and infra-red spectral studies. The results showed that H3L reacted with the metals in 2:1 ratio. H3L coordination was through the hydroxyl, azo and carbonyl groups to form [Zn(H2L)2] 2+ and [Cd(H2L)2] 2+ respectively. Solvent extraction s...
ABSTRACT Animal African Trypanosomosis is a Neglected Tropical Disease with significant impacts to pastoral community livelihoods. Our study sought to determine the influence of seasonal cattle movements on the prevalence of trypanosome infections in cattle in the pastoral areas of the Maasai Steppe. Identification of spatial and temporal dynamics of trypanosome infections in cattle is essential for designing effective control strategies. To identify potential hotspots of trypanosome transm...
Grateloupia filicina is a carrageenophytic red alga which is in demand as a carrageenan raw material and for use in food. There is therefore interest in developing a technique for mariculturing this species. Since vegetative propagation from thallus fragments has not been successful, the present study was initiated to determine suitable conditions for spore liberation and growth of G. filicina from spores. It was also attempted to propagate G. filicina sporelings from crust and thallus fragme...
Natural regeneration of the Mexican weeping pine Pinus patula on Mt. Mulanje was investigated and found to represent a serious threat to the natural vegetation, with the invasion already advanced on the north eastern plateaux. Various aspects of the biology of the pine are related to its success as an exotic invader on the mountain. Perhaps most important is the ability of the species to cope with fire, and the role of regular fires in enhancing the invasion. Urgent action is needed ...
Only in 1954 the notes of late Prof. Moss on the genera Arthrocnemum and Salicornia l'Tere published, and although this was a big step forward in the classification of these genera, it proved to be unsatisfactory in many cases. This, however, should not throw the work on that subject done by him into shade, as shows his ealier works ( Moss, 19lo, 1912, 1914),and only his notes published by Prof. Adamson in 1954 w·ere unfortunately fragmentary. The revision of the genus Arthrocnemum is taken ...
The Zoology Department of the u.c.T. has been making an ecological survey of South Afr1,can estuaries. The plant and animal lif'e of many estuaries has been studied in relation to physico-chemical conditions, and bottom fauna has been dealt with in great detail. Not much is known about the fish populations that occupy these estuaries. It was theref'·ore decided that some information about typical estuarine fish might be of use. For the first four months nettings were made at two estuaries ne...
This work continues the marine tradition o~ the Department o~ Zoology but attempts to open-up a new ~ield by tack].ing for· the first time the ecology of the shaJllow sea bed. False Bay is accessible and provides a large arem that is virtually unaffe.cted by rivers or the works of man. Its' situation happ:ens to be particularly _interesting. It is the nearest part of the flat, submarine shelf called the Agulhas Bank, where there are valuable fishing grounds: and it lies at the boi.mdary of t...
The Etendeka Formation volcanics of north-western Namibia form part of the Karoo Igneous Province of southern Africa and consist of a series of basalts interbedded with quartz latites and minor volumes of latite. This thesis examines various aspects of the geology and geochemistry of the quartz latites, in particular the volcanological and petrogenetic origin of these rocks . This study has involved the geological mapping of ca. 5000 km2 of the southern Etendeka region and the documentation o...
ABSTRACT. The preference of cassava as a major host by Prostephonus truncotus Horn is a major c onstraint to ample production of cassava, tvumibot esculenta Crantz and storage. This study analyzed the nutritional and secondary metabolite compositions in 15 cassava varieties, evaluated levels of damage and reproduction by P. truncatus, and assessed their resistance to attack. One hundred grams 01 dried cassava chips in 250'ml Kilner jars were infested with 10 adult larger grain borerof 0-10 da...