Masters Degrees (Food Science)
Recent Submissions
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Resistance to airflow, cooling characteristics and quality of pomegranate fruit inside ventilated packaging
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: Ventilated packaging has found wide scale industry applications in fresh fruit handling and cooling operations. Given variations in fruit physical and thermal properties, optimal package design for a ...
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Characterisation of whole white maize kernels using spectral imaging
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Maize (Zea mays L.) is the most important cereal crop grown in South Africa. It is produced widely across the country under diverse environments, and thus a variety of defects tend to occur. Grading is ...
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The occurrence of shiga-toxin producing Escherichia coli in South African game species
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The consumption of game meat on a global scale is increasing every year and South Africa is no exception. Consumers have started incorporating low kilojoule and low cholesterol products into their ...
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Investigating the effect of magnetisable glass foam particles (MGFP) in an UASB reactor treating synthetic winery wastewater by monitoring biofilm development and activity of colonised MGFP
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The growing of grapes for wine production is a generational, agricultural practice that has been associated with generating large revenue in South Africa. However, due to one of the outcomes of wine ...
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Green rooibos neutraceutical : optimisation of hot water extraction and spray-drying by quality-by-design methodology
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Unfermented Aspalathus linearis, otherwise known as green rooibos (GR), contains high levels of aspalathin, a potent C-glucosyl dihydrochalcone antioxidant with antidiabetic bioactivity, unique to rooibos. ...
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Development of advanced chromatographic techniques for the in-depth phenolic profiling of rooibos
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Rooibos (Aspalathus linearis) is a South African fynbos plant with known health-promoting properties, consumed mainly as a herbal tea. The health-promoting properties of rooibos are associated with its ...
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Die bakmoontlikhede van pelgrim koring
(Stellenbosh : Stellenbosch University, 1935-11)Geen opsomming beskikbaar
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Antioxidant properties and effect of forced convection roasting on South African wheats
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: See full text for abstract.
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Investigating the impact of pre-harvesting sprouting on maize hardness using near infrared (NIR) hyperspectral imaging and X-ray micro-computed tomography (μCT)
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Maize forms an integral part of the human energy intake in South Africa and its quality should always be maintained. A quality attribute important to the dry milling industry is maize hardness. In the ...
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Characterisation of starch from malting barley grown in South Africa
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: South African barley is not always suitable for malting purposes due to unpredictable weather conditions. Malted barley is imported from other barley producing countries such as Australia, the United ...
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Effects of formulation on the stability of green Cyclopia subternata extract during spray-drying and storage
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Green Cyclopia subternata (honeybush) hot water extracts (GCSE) have potential as value-added functional food ingredients based on their anti-obesity and anti-diabetic properties. They are thus suitable ...
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Investigating the performance of a novel Anaerobic Sequencing Batch Reactor (AnSBR) and optimisation of operational parameters to treat synthetic winery wastewater
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Currently the South African agricultural sector withdraws approximately 70% of the freshwater resources, which is of great concern considering the forecast increase in water withdrawals due to the ...
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Contamination of game carcasses during harvesting and slaughter operations at a South African abattoir
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The consumption of game meat and its by-products is increasing locally and internationally. The increase in consumption requires research that is focused on the microbiological quality of game meat. The ...
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The assessment of the physico-chemical, microbiological and kinetic parameters of acidulants used in the production of acidified dried sausages made from the meat of blesbok (Damaliscus pygargus phillipsi)
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The physico-chemical, microbiological and kinetic parameters of Blesbok (Damaliscus pygargus phillipsi) dry acidified sausage produced by chemical acidification were assessed. Initially, Blesbok meat dry ...
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The effect of a fat replacer on the physical, chemical, microbiological and sensory characteristics of blesbok (Damaliscus pygargus phillipsi) cabanossi
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: Processed meat products usually have a high fat content and health conscious consumers tend to find this unacceptable. Traditional processed meat products, such as cabanossi, are furthermore produced with ...
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Investigating the efficacy of sodium hypochlorite, calcium hypochlorite and peracetic acid on environmental Escherichia coli strains
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The intake of enteric pathogens such as Escherichia coli (E. coli) may lead to serious foodborne illnesses in humans. Previous research has reported high levels of faecal contamination in various Western ...
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Evaluating the potential of ultraviolet irradiation for the disinfection of microbiologically polluted irrigation water
(Stellenbosch : Stellenbosch University, 2015-11-13)ENGLISH ABSTRACT: Fresh produce irrigation water from Western Cape Rivers carries faecal coliforms (FC) (Escherichia coli) at concentrations which often exceed the suggested limit of 1 000 FC per 100 mL and presents a ...
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Influence of ultimate muscle pH on the microbial quality of black wildebeest (Connochaetes gnou) meat
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The microbial growth, colour stability and pH changes for black wildebeest (Connochaetes gnou) meat under chilled (4.2±0.8°C) vacuum storage were investigated. The investigation centred on the role of ...
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Investigating the effect of wine and distillery wastewater on the efficacy of an upflow anaerobic sludge blanket (UASB) and enhancing biomass immobilisation by the addition of magnetisable foam glass particles (MP)
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The wine and distillery industry is one the largest contributors in the production of wastewater worldwide. The effluent produced from this industry is classified as high strength wastewater and does not ...
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The chemical profiling of boar taint within entire male pigs in the Western Cape, South Africa
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: The objective of this study was to investigate whether there were correlations between sections of the South African PORCUS classification system and the intramuscular fat percentage of the Longissimus ...
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Effects of steam treatment and storage on green honeybush quality
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: Application of steam treatment to green Cyclopia maculata and C. longifolia to modulate their aroma and flavour profile, without detrimental effects on colour and individual phenolic content, was investigated. ...
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Effects of packaging and storage condition on functional properties and quality attributes of cassava flour (CVS. ‘TME 419’ AND ‘UMUCASS 36’)
(Stellenbosch : Stellenbosch University, 2015., 2015-04)ENGLISH ABSTRACT: Cassava flour is recommended for substitution with wheat flour in composite flour for baking. The potential use of cassava flour in the food and pharmaceutical industries is attributed to its gluten-free ...
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Isolation and characterisation of lipolytic bacteria and investigation of their ability to degrade fats, oils and grease in grain distillery wastewater
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: The large volumes of effluent water generated by distillery industries is an issue of great concern as it contains pollutants that must be treated according to environmental legislation. It has been ...
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Investigating the efficacy of medium pressure UV and hydrogen peroxide as on-farm treatment methods to reduce the microbial load of irrigation water
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: Many South African farmers are forced to use water from nearby rivers for crop irrigation, since it is the most affordable and sometimes only source of water available to them. During this research project, ...
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Anaerobic bioconversion of liquid and solid wastes from the winemaking process
(Stellenbosch : Stellenbosch University, 2015-02-18)ENGLISH ABSTRACT: South Africa is a developing country that relies on its agricultural sector as a main source of overall economic welfare. Development does not only give rise to new technology and new products but also ...
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Development of sensory tools for quality grading of Cyclopia genistoides, C. longifolia, C. maculata and C. subternata herbal teas
(Stellenbosch : Stellenbosh University, 2015-04)ENGLISH ABSTRACT: The sensory profiles and the phenolic composition of C. genistoides, C. longifolia, C. maculata and C. subternata, used for commercial production of honeybush tea, were determined with the aim to develop ...
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Meat quality of indigenous fat-tail Namaqua Afrikaner, Dorper and the South African Mutton Merino breeds
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: This study investigated the carcass composition and yield, physical meat quality attributes, proximate composition and sensory profile of the indigenous, fat-tailed Namaqua Afrikaner (NA) breed and compared ...
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Investigating the efficacy of hydrogen peroxide agaisnt isolated environmental Escherichia coli strains
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: Surface water used for irrigation is often highly contaminated on a microbial level. Using contaminated surface water for the irrigation of fresh produce can lead to foodborne disease outbreaks and ...
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Perforation-mediated modified atmosphere packaging (PM-MAP) and shelf-life of pomegranate fruit arils (cv. ACCO)
(Stellenbosch : Stellenbosch University, 2014-12)ENGLISH ABSTRACT: Perforation-mediated modified atmosphere packaging (PM-MAP) offers the possibility of optimising polymeric films in order to compensate for barrier limitations of conventional modified atmosphere packaging ...
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Development of quality control tools and a taste prediction model for rooibos
(Stellenbosch : Stellenbosch University, 2014-12)ENGLISH ABSTRACT: In this study quality control tools were developed for the rooibos industry, primarily to determine the quality of rooibos infusions. A considerable variation between samples of the same quality grade has ...
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