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Department of Food Science
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Hyperglycemia-induced oxidative stress and heart disease-cardioprotective effects of rooibos flavonoids and phenylpyruvic acid-2-O-β-D-glucoside
(BMC (part of Springer Nature), 2017)Diabetic patients are at an increased risk of developing heart failure when compared to their non-diabetic counter parts. Accumulative evidence suggests chronic hyperglycemia to be central in the development of ... -
The relationship between agricultural biodiversity, dietary diversity, household food security, and stunting of children in rural Kenya
(Wiley Open Access, 2017)The study was to determine the role of Dietary diversity (DD), household food security (HFS), and agricultural biodiversity (AB) on stunted growth in children. Two cross‐sectional studies were undertaken 6 months apart. ... -
Enzyme kinetics modelling approach to evaluate the impact of high CO2 and super-atmospheric O2 concentrations on respiration rate of pomegranate arils
(Taylor & Francis, 2017)Super-atmospheric O2 has been shown to affect respiration rate (RR), but no model describing its effect on RR for pomegranate arils has been reported. This study investigated the effects of four different gas compositions ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Food ingredient extracts of Cyclopia subternata (Honeybush) : variation in phenolic composition and antioxidant capacity
(MDPI, 2012)Cyclopia subternata plants are traditionally used for the production of the South African herbal tea, honeybush, and recently as aqueous extracts for the food industry. A C. subternata aqueous extract and mangiferin (a ... -
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. ... -
Value of antioxidant capacity as relevant assessment tool for “health benefits” of fruit - understated or inflated?
(MedPharm Publications, 2016)Consumption of fruit and vegetables is considered to be an inherent part of a healthy diet, but more so since plant antioxidants, and in particular polyphenols, have been linked through in vivo and epidemiological studies ... -
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. ... -
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 ... -
Influence of lower substrate pH and retention time on the efficiency of a UASB bioreactor treating winery waste water
(South African Society for Enology and Viticulture, 1999)A mesophilic laboratory-scale upflow anaerobic sludge bed (UASB) bioreactor design was evaluated for the treatment of winery waste water. In the first experimental study, the hydraulic retention time (HRT) was shortened ... -
The evaluation of the applicability of Fourier Transform Near-Infrared (FT-NIR) spectroscopy in the measurement of analytical parameters in must and wine
(South African Society for Enology and Viticulture, 2001)Fourier transform near-infrared (FT-NIR) spectroscopy can be used as a rapid method to measure the percentage of sugar and to discriminate between different must samples in terms of their free amino nitrogen (FAN) values. ... -
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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