Doctoral Degrees (Food Science)
Recent Submissions
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The effect of muscle type and ageing on Near Infrared (NIR) Spectroscopy classification of game meat species using a portable instrument
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: Meat and meat products represent a large proportion of the human diet as it is known to provide valuable proteins, and is a good source of minerals, particularly iron, and zinc. Because of its nutritional ... -
X-ray micro-computed tomography (μCT) evaluation of bubble structure to determine quality of dough and bread made from roasted wheat flour
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: Roasting of cereals has been shown to improve its sensory properties, increase its shelf life and inactivate proteolytic enzymes promoting increased loaf volume. The breadmaking process is a series of ... -
The prevalence of Campylobacter and Arcobacter species in ostriches from South Africa
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: The overall aim of this thesis was to determine the prevalence of Campylobacter and Arcobacter species in ostriches from South Africa. In humans Campylobacter and Arcobacter species can cause of ... -
Optimising ventilated package design for postharvest handling of pomegranate fruit in the cold chain
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: Packaging is an indispensable unit operation in handling and distribution of fresh fruit. Studies on postharvest handling of a number of horticultural products highlighted the importance of package design ... -
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 ... -
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, ... -
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) ... -
The physicochemical properties and stability of aspalathin in micro- and nanoencapsulated green rooibos extract formulations
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Green rooibos extracts with high aspalathin content have potential as nutraceutical food ingredients based on their properties relating to the prevention of metabolic syndrome. However, delivery of green ... -
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 ... -
Investigation of the prevalence and characterisation of infection by Kudoa thyrsites and K. paniformis in South African marine fish species
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Post-mortem myoliquefaction and formation of black pseudocysts in marine fish muscle are associated with infection by Kudoa thyrsites and/or K. paniformis. These quality defects become apparent only upon ... -
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 ... -
Monitoring fungal infection in maize with high resolution X-ray micro computed tomography
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Maize (Zea mays L.) is an important cereal crop used for human food as well as animal feed. Maize is however vulnerable to contamination by fungi that produce harmful mycotoxins. Fusarium verticillioides ... -
Xanthones and benzophenones from Cyclopia genistoides (honeybush) : chemical characterisation and assessment of thermal stability
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Numerous health-promoting benefits may be derived from the consumption of honeybush tea, a herbal infusion prepared from the leaves and fine stems of the endemic Cape fynbos genus, Cyclopia. These ... -
Non-destructive measurement of pomegranate fruit quality
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Pomegranate (Punica granatum L.) is an emerging fruit within the South African horticultural industry, which has experienced dramatic growth in annual production from 350 tonnes in the 2009 season to over ... -
Modelling and optimization of active modified atmosphere packaging for pomegranate arils
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Active modified atmosphere packaging (active-MAP) is a well-proven postharvest technology used to preserve the quality and extend the storage and shelf life of fresh fruit under optimally designed conditions. ... -
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 ... -
Profiling of traditional South African biltong in terms of processing, physicochemical properties and microbial stability during storage
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH SUMMARY: In South Africa, there are no processing guidelines for biltong production and therefore the industry uses different processing parameters which results in variation in the product. The same process was ... -
Investigating physiological and quality response of pomegranate fruit to controlled atmosphere storage
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Pomegranate (Punica granatum) is a highly valued crop with a huge economic potential. It is very nutritious with numerous bioactive compounds with the potential to prevent a certain type of cancers and ... -
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 ... -
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 ...
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