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In our previous report (Korean J. Food Sci. and Technol., 9, 123, 1977) we have studied the functional properties of soy protein isolates prepared from defatted soybean meal. For the practical application of the data described, beef patties substituted with SPI, and imitatied ice cream were prepared and sensory evaluations were carried out. The sensory analyses indicated that the beef patties substituted with Belated SPI to 30% have no detectable difference to the control at the significant level of 0.01. The imitation of ice cream whose milk-solid-not-fat was substituted with soy protein isolates showed the same texture as the control. Flavor of ice cream, however, has significant difference to the control due to beany-off flavor. Therefore removal of beany-off flavor is required for the substitution in ice cream.
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