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Browsing Theses and Dissertations (Food Science) by Supervisor "Duodu, Kwaku Gyebi"
Now showing items 1-20 of 26
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(University of Pretoria, 2007-03-02)Sorghum grains contain phenolic compounds that have been shown to have many favourable effects. In this study the levels of phenolic compounds in condensed tannin and condensed tannin-free sorghums have been determined and ...
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(University of Pretoria, 2022)Food (especially fruit derived) waste has a detrimental influence on the environment and food security of a country. As the world’s population continues to rise, the challenge becomes feeding more people nutrient dense ...
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(University of Pretoria, 2022-06-06)The percentage of deaths due to non-communicable diseases (NCDs) such as diabetes, cancer, obesity and heart disease has been growing steadily in South Africa. Rapid urbanization and increased demand for convenience foods ...
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(University of Pretoria, 2015)Diversification in the use of cassava and sorghum through commercial processing into value-added food and beverage products is an important means of developing the economies of African countries. However, potential ...
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(University of Pretoria, 2022-04-18)Colour is an important characteristic of food and plays a significant role in enhancing the visual appeal of food products. The colourants mostly used in the food industry are synthetic azo-dyes due to their brightness and ...
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(University of Pretoria, 2008-07-03)The main objective of this study was to determine the effect of fruit ripeness and drying method on the oxidative stability and micro-component content of avocado oil extracted with supercritical carbon dioxide (SC-CO2). ...
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Cowpea seed coats and their extracts : phenolic composition and use as antioxidants in sunflower oil (University of Pretoria, 2007-07-03)Seed coats of cream-coloured Bechuana white and purple-coloured Agriblue cowpea varieties and the freeze-dried forms of their acetone extracts (CPE) were analysed for total phenol content using the Folin-Ciocalteu and ...
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(University of Pretoria, 2012-12-14)Vast amounts of waste consisting of peels, segment membranes and seeds are generated during grapefruit juice processing. The peels can be used for juice extraction to obtain grapefruit peel juice. Grapefruit peel juice ...
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(University of Pretoria, 2009-10-29)Phenolics in finger millet (FM) grain, including tannins, may impact significantly on its antimicrobial properties, functionality and health-promoting potential. Unfortunately, the location of tannins in the grain is unknown ...
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Flavonoid compounds of sorghum and maize bran and their inhibitory effects against alpha - amylase (University of Pretoria, 2014)Diabetes mellitus is a chronic metabolic disease caused by insufficient insulin production by the pancreas or when the body loses its ability to utilise insulin effectively or both. This leads to an accumulation of glucose ...
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(University of Pretoria, 2013)Cowpeas (Vigna unguiculata L. Walp) are legumes recognised as a good source of proteins in developing countries. Cowpeas are mostly utilised as cooked whole seeds. This is often achieved only after boiling for up to 2 ...
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(University of Pretoria, 2005-05-18)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2021)In Sub-Saharan Africa (SSA), where nutrient malnutrition is of concern, finger millet contributes substantially to the dietary protein and mineral intake of many communities. The quality of finger millet protein is, however, ...
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(University of Pretoria, 2019)Sunflower oil-in-water emulsions, like salad dressings and mayonnaise, have a shelf life of 6-12 months at room temperature. The shelf life of these emulsions is usually limited by lipid oxidation leading to the formation ...
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(University of Pretoria, 2014)Cereal grains are important food staples and sources of antioxidant phenolics. Dietary phenolics have the potential to reduce oxidative stress and help combat associated conditions like cardiovascular disease. The availability ...
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(University of Pretoria, 2012-09-14)The marama bean is an underutilised legume growing wild in the arid and semi arid regions of Southern Africa. Sorghum is an important cereal crop in arid regions of the world. The seed coats of marama beans and bran of ...
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(University of Pretoria, 2009-12-08)Amongst cereals, sorghum is one of the major sources of phenolic compounds. South African cultivars have not been profiled for their phenolic content and antioxidant activity to highlight their potential benefits. Thus, ...
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(University of Pretoria, 2011-06-17)Marama bean (Tylosema esculentum (Burch) A. Schreib) is an underutilised, drought-tolerant legume native to the drier parts of Botswana, Namibia and South Africa. The bean is comparable to soya beans in protein content and ...
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(University of Pretoria, 2014)Wraps are an unleavened, flat, and circular bread that is 1- 2 mm thick. White bread flour made from wheat is extensively used in the manufacture of wraps in South Africa. Low grade flour is a by product of milling and can ...
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(University of Pretoria, 2011-09-27)Excessive consumption of diet rich in fat has been identified as a risk factor for lifestyle diseases. Fat replacers which can imitate the functional properties of fats with lower or no calorie contribution have been ...
Now showing items 1-20 of 26