
Salah MahgoubBay Path University · Department of Food Science
Salah Mahgoub
Doctor of Philosophy
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17
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Publications (17)
Morama bean (Tylosema esculentum) is one of the wild legumes that grow in some parts of the Southern African countries like Botswana, Namibia and South Africa. A descriptive survey research design was conducted to assess consumers' knowledge, perceptions and utilization of Morama bean in Botswana. A structured questionnaire was used for face to fac...
Objectives: Data on the glycaemic index (GI) of foods commonly consumed in Botswana are lacking. The present study aimed to evaluate the GI of some of the staple carbohydrate-rich foods eaten in Botswana. Design, setting and subjects: Fifty university student volunteers were divided into five groups. Members of each group consumed different test fo...
Seeds of an inbred line (B-11-90) of Karkadeh (Hibiscus sabdariffa) were investigated for their proximate composition (AOAC methods), nitrogen solubility and protein isolate (Karkadeh seed protein isolates [KSPI]) functional properties (standard methods). The fat and protein contents of the seeds were 22.43% and 32.46%, respectively. Nitrogen solub...
Marama milk was processed from the marama bean, an indigenous bean native to the Kalahari and neighbouring sandy regions of Southern Africa. The bean has become of interest to Botswana firstly because it grows with minimum effort under semi-arid conditions, both the seeds and tubers are of nutritional significance and because there is increasing em...
Malnutrition affects physical growth, morbidity, mortality, cognitive development, reproduction, and physical work capacity, and it consequently impacts on human performance, health and survival. It is an underlying factor in many diseases for both children and adults, and is particularly prevalent in developing countries, where it affects one out...
Malnutrition affects physical growth, morbidity, mortality, cognitive development, reproduction, and physical work capacity, and it consequently impacts on human performance, health and survival. It is an underlying factor in many diseases for both children and adults, and is particularly prevalent in developing countries, where it affects one out...
A cross-sectional descriptive study was conducted in four randomly selected districts of Botswana. Two study sites were chosen in each district. Four hundred households with children under 3 years old were enrolled into the study. A structured questionnaire was administered to mothers of eligible children in 50 households in each of the eight sites...
Five weaning formulations (F1-F5) based on sorghum, groundnuts, sesame seeds, chickpeas, and skim milk powder were processed by a twin-roller drum dryer and evaluated for composition, functional properties (bulk density, water absorption capacity, and apparent viscosity), in vitro indices (protein digestibility and available lysine), protein qualit...
Four cultivars of Sudanese sorghum (Sorghum bicolor) were analysed for their phytate content, with respect to effects of processing operations, namely milling extraction, water soaking, malting, heat-treatment and fermentation. The conditions of processing used were: decortication to give an 80% extraction meal; 12 and 24 h soaking in tap water; 96...
The proximate compositions of several cultivars of chickpea, white bean, lentil, broad bean, and soybean were determined. The variability in mineral and phytate contents within legume cultivars and the effect of soaking and cooking treatments on the retention of minerals and phytate were also determined. The mineral elements studied were Ca, Cu, Fe...
Protein extracted from cold- and hot-defatted cottonseed flour was recovered by isoelectric coagulation, dialysis, isoelectric coagulation after dialysis and isoelectric coagulation followed by dialysis of the whey. Isoelectric precipitation resulted in poor protein recovery, but dialysis caused considerable improvement in protein recovery. Isoelec...
The pro-oxidant effect of copper in lard, as judged by the development of peroxide values and the shortening of induction periods, can be counteracted by quercetin but not by BHT. On a molar basis, between 100 and 1000 times as much quercetin as copper is required for complete inhibition of the copper. This is evidence that a weak chelate is formed...
Based on oxygen absorption induction periods, the phospholipids, phosphatidylcholine and phosphatidylethanolamine, have been shown to exert a deleterious effect on the stability of lard. However, when these phospholipids are used in combination with the naturally-occurring antioxidants, α-tocopherol and/or quercetin, a very substantial improvement...
Lipids have been extracted from the leaves of ryegrass, broad beans and lucerne, and shown to have marked antioxidant properties as stabilisers when added to lard. The effect is due in part to natural phenolic antioxidants extracted from leaves in the lipid fraction. A series of phenolic and polyphenolic compounds have been identified and quantifie...
A pilot evaluation of the addition of soy protein to the diet of children attending day care centers in Gaborone, Botswana showed encouraging results in both acceptability of products and in improvement of nutritional status markers. Measures included height and weight at -3 months, 0 months, and +3 months of intervention. Anthropometric failures s...