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Effect of ${\gamma}$-Oryzanol on Lipid Oxidation, Color, Texture and Sensory Properties of Pork Sausage  

Cho, S.H. (National Livestock Research Institute, RDA)
Park, B.Y. (National Livestock Research Institute, RDA)
Seong, P.N. (National Livestock Research Institute, RDA)
Lee, J.M. (National Livestock Research Institute, RDA)
Kim, D.H. (National Livestock Research Institute, RDA)
Ahn, C.N. (National Livestock Research Institute, RDA)
Publication Information
Food Science of Animal Resources / v.26, no.3, 2006 , pp. 331-336 More about this Journal
Abstract
High purity ${\gamma}$-oryzanol was obtained from rice bran and added at 0.05%, 0.10% or 0.20% (w/w) to pork sausages. Sausages containing ${\gamma}$-oryzanol showed higher CIE $L^*\;and\;a^*$ color values than the control (p<0.05). Sausages containing ${\gamma}$-oryzanol had significantly lower hardness and chewiness in textural properties than the control (p<0.05) when determined by Instron testing machine. However, there were no differences in cohesiveness and springiness between the control and the sausages containing ${\gamma}$-oryzanol. Sausages containing >0.05% of ${\gamma}$-oryzanol had significantly lower thiobarbituric acid reactive substances (TBARS) values than the control since 12 days of storage when sausages were aerobically stored at $4^{\circ}C$ for 18 days (p<0.05). Thus, ${\gamma}$-oryzanol may have a potential application for the sausage products to inhibit lipid oxidation when used at >0.05%.
Keywords
${\gamma}$-oryzanol; antioxidant; sausage; pork;
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