Masters Degrees (Food Science)

Influence of waxy wheat flour blends on dough and bread baking quality as well as shelf life

Kleyn, Megan Elizabeth (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 ...

Evaluation of the efficacy of chemical, ultraviolet (UV) and combination treatments on reducing microbial loads in water prior to irrigation

Van Rooyen, Brandon Burger (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 ...

Rooibos fermentation - characterising phenolic changes using chemometric analysis and kinetic modelling

Tobin, Jade (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 ...

Near infrared hyperspectral imaging : a rapid method for the differentiation of maize ear rot pathogens on growth media

Bezuidenhout, Cenette (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 ...

Evaluation of rooibos waste plant material for the development of a high-value herbal tea product

Sishi, Manzimase (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 ...

Microbial content and anti-microbial activity of Namibian traditionally fermented milk

Kutaa, Georgina (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. ...

Resistance to airflow, cooling characteristics and quality of pomegranate fruit inside ventilated packaging

Mukama, Matia (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 ...

Phenolic compounds : a review of their possible role as in vivo antioxidants of wine

De Beer, D.; Joubert, E.; Gelderblom, W. C. A.; Manley, M. (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 ...

Climatic region and vine structure : effect on pinotage wine phenolic composition, total antioxidant capacity and colour

De Beer, D.; Joubert, E.; Marais, J.; Van Schalkwyk, D.; Manley, M. (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 ...

Characterisation of whole white maize kernels using spectral imaging

Sendin, Kate (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 ...

The occurrence of shiga-toxin producing Escherichia coli in South African game species

Germishuys, Zandre (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 ...

Application of postharvest chemical treatments to enhance storage and shelf life of pomegranate fruit (cv. Wonderful)

Atukuri, Julian (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 ...

Unpacking the influence of internal packaging on cooling characteristics and postharvest quality of pomegranate fruit

Lufu, Robert (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 ...

Quality attributes of pomegranate fruit and co-products relevant to processing and nutrition

Ampem, Gilbert (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 ...

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

Dzviti, Rudo Wendy (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 ...

The evaluation of the potential of Tenebrio molitor, Blatta lateralis, Blaptica dubia, Hermetia illucens and Naupheta cinerea for human consumption

Wilson Bessa, Leah (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), ...