Flaxseed oil cake from a South African factory was screened for proximate composition, mineral content, fatty acid profile and storage stability. The oil cake was included at 10 and 15% levels (w/w) in brown bread and evaluated using a 96‐member consumer panel. The oil cake contained between 38.0 and 47.3% protein, 12.8 and 26.1% crude fat and 3.7 and 5.1% ash. The total carbohydrates were mostly dietary fiber. Calcium, magnesium, phosphorus and potassium were in the range of 3.3 to 3.8, 4.8 to 5.9, 6.4 to 8.2 and 9.0 to 10.1 (mg/g), respectively. The oil from the flaxseed oil cake contained 58.5 to 59.7% of C18 omega‐3 fatty acids. Peroxide levels of the flaxseed oil cake were below the threshold limits after 6 months storage. Thiobarbituric acid threshold values were exceeded after 5 months aerobic storage at 20C. Bread samples with inclusion levels of 10 and 15% flaxseed oil cake were acceptable to the consumer sensory panel. PRACTICAL APPLICATIONS This research would have practical applications in the brown bread and flaxseed oil industries in terms of providing added value for an otherwise overlooked by‐product of flaxseed oil extraction. The results indicate that flaxseed oil cake is rich in nutrients such as protein, crude fiber and crude fat, containing 58.5 to 59.7% of omega‐3 fatty acids. In addition, flaxseed oil cake is stable during storage under various conditions. Acceptable brown bread could be made with up to 15% (w/w) inclusion of flaxseed oil cake. Because of the tendency for the consumer panel to prefer lower levels of inclusion, it is pragmatic therefore to recommend inclusion of 10–15% flaxseed oil cake in commercial standard brown bread.

Having provided an international perspective, it is important to consider the local scenario. The South African (SA) Department of Health (DoH) accepted the recommendations of the ICRP and regulates radiation protection within the framework of the Hazardous Substances Act No. 15Background. Globally, the aim of requirements regarding the use and ownership of diagnostic medical X-ray equipment is to limit radiation by abiding by the 'as low as reasonably achievable' (ALARA) principle. The ignorance of radiographers with regard to radiation safety requirements, however, is currently a cause of concern. The enhancement of the 4-year radiography curriculum leading to a Bachelor's qualification provides an opportunity to explore the training and assessment to meet, among others, the ALARA principle, which addresses national and international concerns and criteria. Healthcare workers outside the scope of radiography, who are also considered radiation workers, may be even more ignorant and are therefore also implicated. The process of investigation included a contextualisation of the available regulation documents, the Delphi technique to determine the content of the training, and a questionnaire to test students' knowledge before and after training. Objectives. To determine the content of the radiation safety requirements training and assessment to implement standardised teaching, learning activities and assessment to prepare radiographers as radiation workers well trained for practice. Methods. The content of the radiation safety requirements training was determined with the Delphi technique. Results. Consensus regarding the content of the radiography students' training was reached and implemented. Furthermore, it guided the development of teaching and learning activities complemented by aligned assessment. Conclusion. Standardised education and assessment for radiation safety requirements have the potential to ensure that radiation safety regulations are implemented optimally in diagnostic imaging. This open-access article is distributed under Creative Commons licence CC-BY-NC 4.0. Afr J Health Professions Educ

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Pregnancy losses include early embryonic death (EED) and later (postimplantation) abortion. Abortions, particularly Equid herpesvirus (EHV-1) abortion epizootics, cause severe economic and production losses. The long-term effects of EHV-1 and other abortions on subsequent reproductive performance in broodmare populations, however, remain undefined. This study described the relationships of EED and abortion with the following reproductive outcomes in thoroughbred systems: breeding efficiency, month of last breeding, subsequent pregnancy and live foal rates. A prospective cohort study in broodmare populations following EHV-1 epizootics on two South African farms was used to develop predictive models of the relative influences and interactions of reproductive variables associated with EHV-1 and other abortion causes on reproductive performance. EED predicted all the reproductive outcomes. Abortion predicted increased effort and month of breeding to establish pregnancy, but not becoming pregnant or foaling. Increasing age predicted decreased reproductive efficiency, and pregnancy and foaling probabilities. Mare reproductive status predicted breeding efficiency and the last month of breeding, but not establishing pregnancy. The last month of breeding predicted efficiency, pregnancy and foaling. Interestingly, breeding in the first month of the season was associated with an improved probability of pregnancy among barren mares.

Hair relaxers are harsh chemical treatments that leave the hair dull, dry and limp. There is a constant need for improvement of these products to make them milder and incorporate conditioning properties. Because of the high pH of relaxer or hair straightening systems, most quaternized (conditioning) ingredients are unstable and slowly break down to release ammonia over time, having no conditioning effects by the time the consumers use them. This paper discusses the partial substitution of the fatty alcohols that are traditionally used in relaxer systems with polymethylene wax and the benefits derived from using them. The study included the investigation of synergies among the ingredients, the stabilities of the various systems and comparisons with commercially available systems. The polymethylene wax, used in combination with the mineral oil gel and phosphate salt, coats the hair during the relaxing process, leaving it shiny, soft and conditioned as opposed to the poor condition of the hair relaxed by traditional, commercially available NaOH and LiOH relaxers. An additional benefit of using polymethylene wax in relaxer systems is that the conditioning agents that are normally added to the neutralizing shampoo to repair or mask the damage as a result of the relaxing process can be omitted.