942 research outputs found

    Nutritional status and food consumption patterns of primary school children in Orange Farm

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    South Africa is regarded as food secure; however, food insecurity and malnutrition are still affecting school-aged children residing mostly in rural areas. This paper reports the nutritional status and consumption patterns of school children from two purposively selected schools located in Orange Farm informal settlement. Data collection methods included socio-demographic background, dietary intakes, anthropometric measurements as well as haematology and biochemical measurements. A socio-demographic questionnaire was used to assess the socio-economic background of the households and a health questionnaire to determine the health background of the caregivers, while a Quantitative Food Frequency Questionnaire (QFFQ) and 24-hour recall were used to determine dietary intake patterns. Anthropometric measurements were obtained in order to find out the prevalence of nutritional status (underweight, wasting and stunting). Haematology and biochemical data collected were used to determine the intake of nutrients and blood levels. Socio-demographic and health questionnaires were captured and analysed using the Statistical Package for Social Sciences (SPSS). Dietary intake, QFFQ and 24-hour food recall were analysed on the South African Medical Research Council FoodFinderĀ® software program. Anthropometric measurements were captured and calculated using Anthro plus then analysed according to the World Health Organisation growth standards while biochemical measurements were analysed using biochemical analyses instrument and transferred to SPSS. The socio-demographic results indicated that household food insecurity contributed to the poor dietary intake of the children as the majority (71.0%) of the caregivers were unemployed and further confirmed by household income of less than R1000 (75.0%) for five to ten household members (44.4%). Non-communicable diseases were not reported; instead, most of the caregivers had skin problems (22.2%) and also suffered from headaches (20.0%) as well as body skeletal affections. Mainly carbohydrate-based food was consumed with limited vegetable and fruit intakes. Low energy intakes were reported with sufficient intakes of most of the micronutrients. Anthropometric results indicated that 5.0% of the children were underweight, only 2.3% of the children were wasted and 33.3% were stunted. Haematological and biochemical data indicated that all the variables were within the normal ranges and thus did not indicate any nutrients or blood level deficiency. Through the findings of this study and other similar studies conducted in South African communities, it is evident that poor nutrition and dietary intakes are still prevalent in primary school children. This increases awareness and the immediate need for nutritional status and food insecurity to be addressed.Key words: Nutritional status, consumption patterns, primary school children, Orange Far

    The inhibitors and enablers of emerging adult COVID-19 mitigation compliance in a township context.

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    Young adults are often scapegoated for not complying with COVID-19 mitigation strategies. While studies have investigated what predicts this populationā€™s compliance and non-compliance, they have largely excluded the insights of African young people living in South African townships. Given this, it is unclear what places young adult South African township dwellers at risk for not complying with physical distancing, face masking and handwashing, or what enables resilience to those risks. To remedy this uncertainty, the current article reports a secondary analysis of transcripts (n=119) that document telephonic interviews in June and October 2020 with 24 emerging adults (average age: 20 years) who participated in the Resilient Youth in Stressed Environments (RYSE) study. The secondary analysis, which was inductively thematic, pointed to compliance being threatened by forgetfulness; preventive measures conflicting with personal/collective style; and structural constraints. Resilience to these compliance risks lay in young peopleā€™s capacity to regulate their behaviour and in the immediate social ecologyā€™s capacity to co-regulate young peopleā€™s health behaviours. These findings discourage health interventions that are focused on the individual. More optimal public health initiatives will be responsive to the risks and resilience-enablers associated with young people and the social, institutional, and physical ecologies to which young people are connected.Significance:ā€¢ Emerging adult compliance with COVID-19 mitigation strategies is threatened by risks across multiple systems (i.e. young people themselves; the social ecology; the physical ecology).ā€¢ Emerging adult resilience to compliance challenges is co-facilitated by young people and their social ecologies.ā€¢ Responding adaptively to COVID-19 contagion threats will require multisystem mobilisation that is collaborative and transformative in its redress of risk and co-championship of resilience-enablers

    Polyphasic taxonomic characterization of lactic acid bacteria isolated from spontaneous sorghum fermentations used to produce ting, a traditional South African food

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    Ting, an indigenous cooked fermented food made from sorghum flour, is consumed extensively in South Africa. Due to the spontaneous nature of the sorghum fermentation considerable variations in the sensory and microbial quality of the end-product may occur, thus hampering large-scale production of this food. The use of starter cultures purified from the fermented sorghum may be an alternative approach to obtain ting of consistent quality. The aim of this study was therefore to identify the lactic acid bacteria (LAB) associated with ting fermentation using a polyphasic approach. Phenotypic characterization and sequence analysis of the genes encoding the 16S subunit of the ribosomal RNA (rrs) and phenylalanyl tRNA synthase (pheS) were used. The results of these analyses showed that ting fermentation involved at least three different species of LAB, i.e. Lactobacillus fermentum, L. plantarum and L. rhamnosus. To our knowledge, this is the first report of polyphasic taxonomic characterization of LAB from this food. This research forms an essential first step towards the development of relevant starter cultures to produce ting of consistent quality

    Understanding the Effects of a Tannin Extract on Forage Protein Digestion in the Rumen and Abomasum Using a Dynamic Artificial Digestive System Coupled to a Digestomic Approach

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    Improving the use efficiency of dietary protein in ruminants is a major challenge to decrease feed supplementation and significantly decrease nitrogen (N) losses to the environment. The aim of this study was to characterize the effects of tannins on protein digestion in the rumen and in conditions simulating the abomasum, using a dynamic in vitro digestive system coupled to a digestomic approach. Three ruminally-cannulated sheep fed with alfalfa hay were infused daily with a solution of tannins, while three other sheep were infused with water (control). Standardized ruminal fluid was introduced into the digester, which simulated the transit of digesta under physicochemical conditions mimicking the abomasum in terms of pH regulation, digestive enzyme infusions and transit rate. Protein degradation in the rumen and in the simulated abomasum was analyzed by determination of fermentation end-products, and identification and quantification of peptides (Label Free Quantification) by LC-MS/MS high resolution (Orbitrap). The analysis of rumen samples showed that tannins result in a clear decrease of fermentation end-products related to protein degradation, namely ammonia (NH3) and iso-volatile fatty acids (VFA), and a greater abundance of the Rubisco, a major plant protein. In the simulated abomasal compartment, the peptidomic analysis showed that the hydrolysis intensity of Rubisco was higher in the presence of tannins compared to the control group. These results indicate that protein-tannin complexes could be dissociated in the physico-chemical conditions of the abomasum, increasing the flow of peptides to the intestine after protection of protein by tannins in the rumen

    Public Purpose Recreation Marketing: A Focus on the Relationships Between the Public and Public Lands

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    Marketing has long had a place in the planning and management of public sector recreation. In particular, the use of market segmentation has allowed leisure providers to better understand their clientsā€™ needs and to tailor their services to the diversity of those needs. However, the use of marketing approaches is not without controversy and is sometimes perceived to be at odds with the public service or stewardship mandates often associated with recreation management. We suggest that wholesale adoption of basic marketing principles (such as the notion of giving people exactly what they want at a great price) may be inappropriate. An alternative form, relational marketing, may be better suited to public purpose organizations. Relational marketing focuses on the development or fostering of a relationship between the public and the public agency. Thus, relational marketing focuses on building confidence in the agencyā€™s ability to guard the short- and long-term interests of the public. For example, for land management agencies, these objectives are embedded in legislative and policy mandates to provide outstanding opportunities for recreation, while at the same time protecting and enhancing the environment. Relational marketing seems better suited to these objectives compared with transactional marketing, which is more dominant in private sector businesses. Whereas transactional marketing focuses on fostering current and continuing purchases of goods and services, relational marketing extends beyond the direct economic exchange. In the public recreation settings, the public is considered more than a current or potential customer, they are also considered an owner or shareholder of the agency. Thus, repeat purchases or customer satisfaction are not sufficient measures of success for organizations with a public service mandate. Instead, relational marketing considers the perceptions that the many different groups of the public (e.g. participants and non-participants, supporters and non-supporters) have of the agency and its actions. The research reported here conceptualizes the relationship between the public and the agency into three dimensions: social trust (the degree to which individuals perceive the agency to share their views, goals, and values); commitment (the investment, attachment, and longevity of the relationship to the agency); and social responsibility (which includes attitudes towards the goals or public purposes of the agency). A market segmentation based on these dimensions yielded distinct subpopulations of the general public. The challenge for public agencies, such as the Forest Service, is to be responsive to the different relationships the public has with the agency. Collaborative planning efforts must acknowledge and incorporate knowledge of these differences in social trust, commitment, and social responsibility. Any public action or policy change should consider how it potentially affects the varying publicā€™s relationship with the agency and the services it provides. Managers must demonstrate stewardship, care, responsiveness, and continuing service to todayā€™s public and future generations. Any interaction with the public (e.g., marketing) should focus on the intended public purpose which guides the agency

    A comparison of the clinical relevance of thallium201 and technetium-99m-methoxyisobutyl-isonitrile for the evaluation of myocardial blood flow

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    Thallium-201 is at present the radiotracer of choice for the clinical evaluation of myocardial blood flow. Although different technetium-99m-isonitrile agents have been synthesised recently, only 99mTc-melhoxyisobutyl-isonitrile (99mTc_MIBI) has proved to hold promise for clinical implementation. The myocardial distribution of 201TI and 99mTc_MIBI was compared in a group of 20 patients, who underwent both 201TI single photon emission computed tomography and 99mTc_MIBI study as well as coronary angiography. The sensitivity for predicting a lesion ranged from 25% to 88% in different areas of the heart and was comparable for the two radiophannaceuticals. The specificity was > 80% tor all regions except the inferior region where a specificily ot 58% obtained by 99mTc-MIBI was better than the low specificity of 17% obtained with 201TI (P< 0,008)

    Isolation and characterisation of endocrine disruptor nonylphenol-using bacteria from South Africa

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    Published ArticleEndocrine disrupting chemicals (EDCs) are synthetic chemicals that alter the function of endocrine systems in animals including humans. EDCs are considered priority pollutants and worldwide research is ongoing to develop bioremediation strategies to remove EDCs from the environment. An understanding of indigenous microorganisms is important to design efficient bioremediation strategies. However, much of the information available on EDCs has been generated from developed regions. Recent studies have revealed the presence of different EDCs in South African natural resources, but, to date, studies analysing the capabilities of microorganisms to utilise/degrade EDCs have not been reported from South Africa. Here, we report for the first time on the isolation and enrichment of six bacterial strains from six different soil samples collected from the Mpumalanga Province, which are capable of utilising EDC nonylphenol as a carbon source. Furthermore, we performed a preliminary characterisation of isolates concerning their phylogenetic identification and capabilities to degrade nonylphenol. Phylogenetic analysis using 16S rRNA gene sequencing revealed that four isolates belonged to Pseudomonas and the remaining two belonged to Enterobacteria and Stenotrophomonas. All six bacterial species showed degradation of nonylphenol in broth cultures, as HPLC analysis revealed 41ā€“46% degradation of nonylphenol 12 h after addition. The results of this study represent the beginning of identification of microorganisms capable of degrading nonylphenol, and pave the way for further exploration of EDC-degrading microorganisms from South Africa

    RAPIC project: toward competitive heat-exchanger/reactors

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    The inhibitors and enablers of emerging adult COVID-19 mitigation compliance in a township context

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    Young adults are often scapegoated for not complying with COVID-19 mitigation strategies. While studies have investigated what predicts this populationā€™s compliance and non-compliance, they have largely excluded the insights of African young people living in South African townships. Given this, it is unclear what places young adult South African township dwellers at risk for not complying with physical distancing, face masking and handwashing, or what enables resilience to those risks. To remedy this uncertainty, the current article reports a secondary analysis of transcripts (n=119) that document telephonic interviews in June and October 2020 with 24 emerging adults (average age: 20 years) who participated in the Resilient Youth in Stressed Environments (RYSE) study. The secondary analysis, which was inductively thematic, pointed to compliance being threatened by forgetfulness; preventive measures conflicting with personal/collective style; and structural constraints. Resilience to these compliance risks lay in young peopleā€™s capacity to regulate their behaviour and in the immediate social ecologyā€™s capacity to co-regulate young peopleā€™s health behaviours. These findings discourage health interventions that are focused on the individual. More optimal public health initiatives will be responsive to the risks and resilience-enablers associated with young people and the social, institutional, and physical ecologies to which young people are connected. SIGNIFICANCE : Emerging adult compliance with COVID-19 mitigation strategies is threatened by risks across multiple systems (i.e. young people themselves; the social ecology; the physical ecology). Emerging adult resilience to compliance challenges is co-facilitated by young people and their social ecologies. Responding adaptively to COVID-19 contagion threats will require multisystem mobilisation that is collaborative and transformative in its redress of risk and co-championship of resilience-enablers.Open data set: https://doi.org/10.25392/leicester.data.17129858Canadian Institutes of Health Research and University of Leicesterā€™s QR Global Challenges Research Fund.http://www.sajs.co.zahj2022Educational Psycholog

    Charistion CPT Naude

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    Text in English, Afrikaans and GermanC.P.T. NaudeĢ ob diem natalem octogesimum / U. Vogel-Weidemann (pages 1-4) -- Troubled spirits in Persepolis / John Atkinson (pages 5-16) -- UĢˆberlegungen zur Herkunft des Ammianus Marcellinus / Pedro BarceloĢ (pages 17-24) -- The Homeric Pandareos : a historical personage? / G. Cipolla (pages 25-28) -- The sources of Appian's Bella civilia for the 80's BC / Richard J. Evans (pages 29-38) -- Die Begin van die Romeinse weĢ‚reldheerskappy by Polybius en Livius / Paul Hasse (pages 39-44) -- Young men on the council of Ostia / Marc Kleijwegt (pages 45-62) -- Good rulers and bad : shifting paradigms in Seneca, De clementia 1.8.2-7 / Gottfried Mader (pages 63-72) -- Marc Aurel und die christliche Apokalyptik im zweiten Jahrhundert (Historia Augusta, Vita Marci 13.6) / Klaus Rosen (pages 73-86) -- Preparing to become Roman : the "romanization" of Deiotarus in Cicero / D.B. Saddington (pages 87-98) -- Historia Augusta : the "nomen Antoninorum" theme / Jan Scholtemeijer (pages 99-112) -- Ammianus' Terminus and the accession of Theodosius I / Hagith Sivan (pages 113-120) -- The Plataean Eleutheria and the "Day of the Vow" in South Africa : a historical parallel and the case for historical analogy / Adrian Tronson (pages 121-140
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