Browsing by Author "Schonfeldt, H.C. (Hettie Carina)"

Browsing by Author "Schonfeldt, H.C. (Hettie Carina)"

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  • Smith, Marie F.; Leighton, Christine S. (Christina Stephanie); Morey, Liesl; Schonfeldt, H.C. (Hettie Carina) (South African Society of Crop Production/ Soil Science Society of South Africa/ South African Weed Science Society/ South African Society for Horticultural Sciences, 2009-01)
    Partial Least Squares regression (PLS) was used to understand the relationship between 15 sensory attributes of potatoes boiled in their skins as dependent variables (Y), and six objective (chemical and physical) measurements ...
  • Vermeulen, Hester; Kirsten, Johann F.; Doyer, O.T.; Schonfeldt, H.C. (Hettie Carina) (Agricultural Economics Association of South Africa, 2005-03)
    The introduction of genetically modified (GM) food products to food markets around the world, has led to considerable controversy. In many cases consumer attitudes and perceptions of GM food products were revealed as fears, ...
  • Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Elsevier, 2013-03)
    Capacity building in food and nutrition involves more than formal training and individual development. Such a process is long term and continues, requiring lasting mentorship, coaching and leadership development, including ...
  • Hall, Nicolette Gibson; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (South African Society for Animal Science, 2015-08-11)
    Red meat often evokes a wide array of complex and contradictory arguments. It is viewed as the most expensive component of any diet, supplying many essential nutrients as part of a healthy, prudent eating plan. Yet, red ...
  • Mokori, Alex; Schonfeldt, H.C. (Hettie Carina); Hendriks, Sheryl L. (Medpharm Publications, NISC (Pty) Ltd, Taylor & Francis, and Informa business, 2016)
    OBJECTIVES : The objective of the study was to identify child factors that influenced complementary feeding practices in 2006 and 2011 in Uganda. DESIGN : Trend analysis of Uganda Demographic and Health Surveys (UDHS) ...
  • Booysen, Laryssa; Viljoen, Annemarie T.; Schonfeldt, H.C. (Hettie Carina) (Wiley-Blackwell, 2013-02)
    BACKGROUND : Limited scientific information is available on the eating quality of potato cultivars in South Africa. This study aimed to determine, describe and compare the eating quality of three potato cultivars from two ...
  • Khumalo, Teclah Paul; Schonfeldt, H.C. (Hettie Carina); Vermeulen, Hester (Routledge, 2011)
    This study examined the acceptability and perceptions of traditionally prepared maize meal porridge, cooked from commercial roller-mill white maize meal and hammer-mill white and yellow maize meal (with and without fibre), ...
  • Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Elsevier, 2012-07)
    This paper first presents food quality trends observed in the international context and the manifestation of these and other trends within the food industry. From a consumer perspective, improved knowledge on the composition ...
  • Vermeulen, Hester; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (South African Society for Animal Science, 2015-08-11)
    The South African consumer market is characterised by socio-economic and cultural diversity. Food expenditure patterns, behaviour and preferences differ significantly between the various socio-economic sub-groups. Packaging ...
  • Rajput, Innike; Schonfeldt, H.C. (Hettie Carina); Kruger, Rozanne (Academic Journals, 2012-08-28)
    This study aims to design an educational framework based on the utilization cycle as a food-based strategy, integrating both agricultural and nutritional components, and also to empower people to improve their food security ...
  • Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Elsevier, 2011-06)
    Iron deficiency is the most common and widespread nutritional disorder in the world. Consuming foods rich in dietary iron (high in both content and availability) is an effective way to alleviate iron deficiency. Iron from ...
  • Gibson, Nicolette; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (Elsevier, 2011-06)
    The glycemic index (GI) is a measurement used to classify foods according to their potential for raising blood glucose levels. The GI of a foodstuff is generally measured by determining the increment in blood glucose ...
  • Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Cambridge University Press, 2012-10-30)
    The WHO (2007) Technical Report on protein and amino acid requirements in human nutrition states that the best estimate for a population average requirement is 105mg nitrogen/kg body weight per day, or 0•66 g protein/kg ...
  • Schonfeldt, H.C. (Hettie Carina); Strydom, P.E. (Phillip Evert) (Elsevier, 2011-03)
    The juiciness and flavour characteristics of 15 aged primal beef cuts of electrically stimulated carcasses, from three different age groups, were assessed (n = 61). Cooking losses were determined and proximate analyses ...
  • Schonfeldt, H.C. (Hettie Carina); Strydom, P.E. (Phillip Evert) (Elsevier, 2011-03)
    The tenderness characteristics of 15 primal cuts of beef of three different age groups were assessed, and the most reliable cut to predict carcass tenderness was determined. Fifteen wholesale cuts from each age group, ...
  • Hall, Nicolette Gibson; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (Elsevier, 2016-02)
    Increased economic incentive for producing young and leaner carcasses, as well as demand for lean meat from progressively health conscious consumers, are considered drivers for change in carcass composition over time. ...
  • Pretorius, Beulah; Schonfeldt, H.C. (Hettie Carina) (Elsevier, 2013-10)
    South Africa embarked on mandatory vitamin and mineral fortification of wheat flour and maize meal in 2003 as part of a multi-faceted approach to alleviate malnutrition. However, it was reported, in 2008, that vitamin A ...
  • Hall, Nicolette Gibson; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (Health and Medical Publishing Group, 2016)
    OBJECTIVE : Different fatty acids elicit different responses in the human body once ingested. Although red meat is often considered to be a source of fatty acids which has a negative impact on human health, many studies ...
  • Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah; Hall, Nicolette Gibson (Health and Medical Publishing Group, 2013)
    Food products from animals provide a variety of macro- and micronutrients. Animal sources of food, such as fish, chicken, meat and eggs, constitute high-quantity and high-quality protein, as they contain essential amino ...
  • De Cock, N.; D'Haese, M.F.C. (Marijke); Vink, Nick; Van Rooyen, C.J. (Cornelius Johannes); Staelens, L.; Schonfeldt, H.C. (Hettie Carina); D'Haese, Luc (Springer, 2013-02-15)
    Although South Africa is food secure as a nation, many households remain food insecure. The government has recognized several key food security challenges in the Integrated Food Security Strategy (IFSS). However, ...