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South African Journal of Science

On-line version ISSN 1996-7489
Print version ISSN 0038-2353


JONES, Maxine; HOFFMAN, Louwrens C.  and  MULLER, Magdalena. Oxidative stability of blesbok, springbok and fallow deer droëwors with added rooibos extract. S. Afr. j. sci. [online]. 2015, vol.111, n.11-12, pp.1-8. ISSN 1996-7489.

The addition of rooibos extract (RBE) (0%, 0.25%, 0.50%, 1.0% RBE) to improve the oxidative stability of blesbok, springbok and fallow deer droëwors (dried sausage) was studied. RBE treatments had no effects (p>0.05) on the lipid and protein oxidation of the dried product. With the addition of RBE 0.25%, lipid stability after drying showed the malonaldehydes decreased considerably. Haem-iron concentration increased after drying and differed (p<0.05) between RBE treatments within the dried stage within species. There were no differences (p>0.05) between the moisture, protein and fat contents between treatments within a specific processing stage. With the high polyunsaturated fatty acid content of the sausages, a high level of oxidation occurred. Even though RBE addition did not reduce oxidation significantly during the drying process, it could be a successful addition to the traditional South African meat product if it is shown to impart positive flavour attributes.

Keywords : Aspalathus linearis; natural antioxidant; lipid oxidation; protein oxidation; dried sausage; venison.

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