Doctoral Degrees (Food Science)

The effect of muscle type and ageing on Near Infrared (NIR) Spectroscopy classification of game meat species using a portable instrument

Dumalisile, Pholisa (Stellenbosch : Stellenbosch University, 2021-04)

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

Germishuys, Zandré (Stellenbosch : Stellenbosch University, 2021-04)

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

Shange, Nompumelelo (Stellenbosch : Stellenbosch University, 2020-04)

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 ...

Transport Phenomena in Pomegranate Fruit: Mechanisms of Weight Loss and Control Strategies

Lufu, Robert (Stellenbosch : Stellenbosch University, 2020-04)

ENGLISH ABSTRACT: The revived interest in this ancient fruit Pomegranate (Punica grantum L) has resulted in increased production, consumption and intensified research owing to its health and nutritional ...

Reduced wavelength spectral imaging for grading defect and asymptomatic Fusarium detection in white maize

Sendin, Kate (Stellenbosch : Stellenbosch University, 2020-04)

ENGLISH ABSTRACT: The aim of this dissertation was to present the South African maize industry with an accurate and affordable automated analytical technique for white maize grading and for identifying asymptomatic ...

Development of a gastroretentive anti-diabetic nutraceutical incorporating polyphenol-enriched fractions of Cyclopia genistoides

Miller, Neil (Stellenbosch : Stellenbosch University, 2020-04)

ENGLISH ABSTRACT: Extracts of honeybush (Cyclopia genistoides) containing glycosylated xanthones, mangiferin (1) and isomangiferin (2), and benzophenones, 3-β-D-glucopyranosyliriflophenone (3) and 3-β-D-gl ...

Optimising ventilated package design for postharvest handling of pomegranate fruit in the cold chain

Mukama, Matia (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 ...

Comprehensive characterisation of the phenolic composition of Cyclopia pubescens (honeybush)

Walters, Nico Albertus (Stellenbosch : Stellenbosch University, 2019-12)

ENGLISH ABSTRACT: Cyclopia pubescens Eckl. & Zeyh, endemic to South Africa, is under threat of extinction. This threat can be negated through commercial cultivation if utilised as honeybush tea. Lack of knowledge of ...

Antibiotic resistant bacteria prevalent in livestock and wildlife species in South Africa

Van den Honert, Michaela Sannettha (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

Hussein, Zaharan (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

De Groot, Gerida (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

Human, Chantelle (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

Alexander, Lara (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

Henning, Sune St.Clair (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

Moelich, Erika Ilette (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

Orina, Irene Nyangoge (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

Beelders, Theresa (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 ...