Browsing Doctoral Degrees (Food Science) by Title
Now showing items 1-20 of 43
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Antibiotic resistant bacteria prevalent in livestock and wildlife species in South Africa
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Much research has focussed on the fate of antibiotics in clinical settings whereas research of antibiotics in natural environments has been comparatively limited. It has been hypothesised that wildlife ... -
Antimicrobial effects of chitosan and essential oils on postharvest diseases of pomegranate fruit
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Pomegranate (Punica granatum L.) fruit diseases often caused by a range of fungi and bacteria, pose significant financial, nutritional and postharvest losses along the value chain. This study aimed at ... -
Antioxidant capacity of Pinotage wine as affected by viticultural and enological practices
(Stellenbosch: University of Stellenbosch, 2006-12)The aim of the study was to provide the South African wine industry with guidelines for the production of Pinotage wines with optimal total antioxidant capacity (TAC), while retaining sensory quality. The contribution ... -
The authentication of regionally unique South African lamb
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Noted for its unique herbaceous flavour which is imbued from a diet of indigenous fragrant plants, Karoo lamb is marketed as one of South Africa’s finest meat products. It is also the first fresh meat ... -
Bruise damage susceptibility of pomegranates and impacts on fruit quality
(Stellenbosch : Stellenbosch UniversityStellenbosch University, 2019-03)ENGLISH ABSTRACT: The consumption of pomegranate (Punica granatum, L) fruit is attributed to its health and nutritional benefits, which are linked with reported high antioxidant capacity, antimutagenic, anti-inflammatory, ... -
Characterisation and quantification of microstructure, physicochemical and functional properties of oven and forced convection continuous tumble roasted cereal grains
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The use of roasted cereal grains in foods can improve organoleptic properties, enhance shelf life, ease incorporation into ready-to-eat products and increase antioxidant activity. Structural, physicochemical ... -
Characterising the flavonoid profile of various citrus varieties and investigating the effect of processing on the flavonoid content
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Phenolic compounds in citrus fruit are specific for each species and variety and may be influenced by environmental conditions during the growing season and post-harvest practices. The exact chemical ... -
The contribution of phenolics to the bitter taste of honeybush (Cyclopia genistoides) herbal tea
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: The occurrence of bitter taste in some production batches of Cyclopia genistoides herbal tea not only challenges efforts of the honeybush industry to achieve consistent product quality, but also adversely ... -
Critical evaluation of the accuracy of the enumeration methodology of Coliforms and E. Coli in water from rivers used for the irrigation of fresh produce
(Stellenbosch : Stellenbosch University, 2012-12)ENGLISH ABSTRACT: The accuracy of methods for the enumeration of coliforms and Escherichia coli present in river water intended for the irrigation of fresh produce has been critically evaluated to determine whether the ... -
Development and effect of an N-3 fatty acid-rich spread on the nutritional and cognitive status of school children
(Stellenbosch: University of Stellenbosch, 2006-03)Long-chain polyunsaturated fatty acids (LCPUFA), especially the n-3 LCPUFA metabolic products eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) play an important role as regulators in many biological processes. ... -
Development and validation of prediction models and rapid sensory methodologies to understand intrinsic bitterness of Cyclopia genistoides
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Cyclopia species, endemic to South Africa, is used for the production of honeybush tea. This herbal tea has grown from a product consumed only locally to one currently marketed worldwide. Cyclopia species ... -
The development, implementation and evaluation of a housing education literacy programme for semi-literate recipients of government subsidised housing
(Stellenbosch : University of Stellenbosch, 2006-03)In the ten years since the inclusive elections of 1994, the South African government has created an international precedent in the housing field. It is widely acknowledged that in this period it has delivered more subsidised ... -
Effect of forced convection roasting on physicochemical and antioxidant properties of whole grain maize (Zea mays L.) and optimisation of roasting conditions
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Maize (Zea mays L.) is the most cultivated cereal and grain crop in the world and it is used as a staple food in developing countries such as Nigeria, South Africa, Mexico and economically less privileged ... -
Establishment of a genetic database and molecular methods for the identification of fish species available on the South African market
(Stellenbosch : Stellenbosch University, 2011-12)ENGLISH ABSTRACT: Consumers have the right to accurate information on the fish products they purchase to enable them to make educated seafood selections that will not endanger their own wellbeing or the wellbeing of the ... -
Exposure to polyphenol-enriched rooibos (Aspalathus linearis) and honeybush (Cyclopia spp.) extracts : implications of metabolism for the oxidative status in rat liver
(Stellenbosch : Stellenbosch University, 2012-12)ENGLISH ABSTRACT: Potential beneficial and/or adverse modulatory effects of polyphenol-enriched extracts of rooibos (Aspalathus linearis) and honeybush (Cyclopia spp.) on the antioxidant homeostasis in the liver were ... -
Factors influencing colour variation and oxidative stability of South African game meat species
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: It is believed by many that the future of South African game farming depends on the development of a sustainable game meat industry. To develop such an industry, game meat products of consistently high ... -
Factors influencing the flavour of the meat derived from South African game species
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: In South Africa, wild and free-living animal species that are dependent on the natural vegetation present in their habitat as food source, are referred to as ‘game species’. Game species are utilised for ... -
Genotyping South African wheat germplasm for hardness alleles
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Wheat grain kernel hardness (GKH) is one of the most important quality properties of wheat (Triticum aestivum). The molecular basis of GKH is determined by the combination of Puroindoline a (Pina- D1) ... -
Impact of environmental factors on the metabolic profiles of Kefir produced using different Kefir grains and subsequent enrichment of Kefir prepared with mass cultured grains
(Stellenbosch : Stellenbosch University, 2012-03)ENGLISH ABSTRACT: The fermentation of milk has been known for millennia and leads to nutritious and prolonged shelf-life dairy products. In Southern Africa, traditional fermented dairy products have the same value as ... -
Impact of low-frequency high-power ultrasound on spoilage and potentially pathogenic dairy microbes
(Stellenbosch: University of Stellenbosch, 2007-12)Thermal pasteurisation failures in the dairy industry have often been found to cause end-products of poor quality and short shelf-life. Therefore, alternative methods to eliminate microbial contaminants in raw milk are ...
