Now showing items 1-5 of 5
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 bread wheat hardness scenario of the Southern and Western Cape : introducing the particle size index (PSI) method and fourier transform near infrared (FT-NIR) spectroscopy calibrations
(Stellenbosch : Stellenbosch University, 1999-12)
ENGLISH ABSTRACT: Fourier transform near infrared spectroscopy (FT-NIR), the particle size index (PSI) method and scanning electron microscopy were used to investigated the bread wheat hardness scenario of the Southern ...
Natural bio-antimutagenic activity of rooibos tea (Aspalathus linearis) as expressed by the Ames, Toxi-Chromo and SOS-Chromo tests
(Stellenbosch : Stellenbosch University, 1999-03)
ENGLISH SUMMARY: Rooibos tea (Aspalathus linear is), an indigenous fynbos plant, is cultivated in the Clanwilliam area of the Western Cape and has become increasingly popular due to its alleged health properties. The ...
Mass cultivation and activity of kefir grains
(Stellenbosch : Stellenbosch University, 1999-01)
ENGLISH ABSTRACT: Consuming milk in the fermented form is an age-old tradition amongst the ethnic groups of Southern Africa and sour milk is usually made by leaving unpasteurised milk to ferment without the addition of ...
Yield and quality response of spring wheat cultivars to post anthesis high temperature
(Stellenbosch : Stellenbosch University, 1999-10)
ENGLISH ABSTRACT: Knowledge of the growth, yield and quality response of spring wheat cultivars to high temperatures is important to minimise variation that often exists in yield and breadbaking quality of wheat produced ...