Masters Degrees (Food Science)
Recent Submissions
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Influence of waxy wheat flour blends on dough and bread baking quality as well as shelf life
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Waxy wheats are a naturally occurring genetic mutation of the hexaploid bread wheat Triticum aestivum. They contain only amylopectin starch due to the absence of the protein responsible for producing ...
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Evaluation of the efficacy of chemical, ultraviolet (UV) and combination treatments on reducing microbial loads in water prior to irrigation
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The investigation of Western Cape Rivers has highlighted the importance of the implementation of cost-effective, on-farm disinfection treatments solutions. Irrigation water, if used untreated, has the ...
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Rooibos fermentation - characterising phenolic changes using chemometric analysis and kinetic modelling
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Rooibos is a popular herbal tea produced from Aspalathus linearis, a South African endemic fynbos plant species. Health-promoting properties associated with rooibos are closely linked to its phenolic ...
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Near infrared hyperspectral imaging : a rapid method for the differentiation of maize ear rot pathogens on growth media
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Maize grain is highly susceptible to the toxin-producing fungal pathogens Fusarium spp. and Stenocarpella spp. Infection of grain with these species leads to maize ear rots but of greater concern is their ...
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Evaluation of rooibos waste plant material for the development of a high-value herbal tea product
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Rooibos (Aspalathus linearis) is a South African fynbos plant species that is predominantly harvested for consumption as herbal tea. The demand for this herbal tea has grown significantly along with the ...
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Microbial content and anti-microbial activity of Namibian traditionally fermented milk
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The incorporation of bacteriocins as biopreservatives into model food systems has been studied extensively and has been shown to be effective in the control of pathogenic and spoilage microorganisms. ...
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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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Phenolic compounds : a review of their possible role as in vivo antioxidants of wine
(South African Society for Enology and Viticulture, 2002)Phenolic compounds are a large and complex group of chemical constituents found in red and white wines which not only affect their quality, but also contribute to their beneficial health effects. The antioxidant properties ...
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Climatic region and vine structure : effect on pinotage wine phenolic composition, total antioxidant capacity and colour
(South African Society for Enology and Viticulture, 2006)The phenolic composition, total antioxidant capacity (TAC) and colour of Pinotage wines of the 2001, 2002 and 2003 vintages were investigated, using spectrophotometric, high-performance liquid chromatography (HPLC), free ...
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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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Application of postharvest chemical treatments to enhance storage and shelf life of pomegranate fruit (cv. Wonderful)
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Pomegranate fruit is susceptible to a number of postharvest quality problems such as external and internal decay, weight loss, internal browning, chilling injury and husk scald. Postharvest treatments ...
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Unpacking the influence of internal packaging on cooling characteristics and postharvest quality of pomegranate fruit
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH SUMMARY: Plastic films (liners) are commonly used inside packages of pomegranates. Liners can create modified atmosphere around fruit (MAP) and minimize fruit moisture loss. However, the barrier nature of liners ...
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Quality attributes of pomegranate fruit and co-products relevant to processing and nutrition
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH SUMMARY: Pomegranate fruit, owing to its health benefits, has served several important applications in industrial processing and nutrition. However, knowledge of the physico-chemical and textural properties of the ...
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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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The evaluation of the potential of Tenebrio molitor, Blatta lateralis, Blaptica dubia, Hermetia illucens and Naupheta cinerea for human consumption
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: The proximate, chemical and microbial analysis of five insect species were evaluated to determine the nutritional significance of consuming insects. Black soldier fly (Hermetia illucens) larvae (BSFL), ...
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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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