RESPONSE SURFACES OF SENSORY CHARACTERISTICS FOR REDUCED SODIUM CHLORIDE AND PHOSPHATE SALTS IN EMULSIFIED TURKEY SAUSAGES |
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Authors: | RHODA SCHANTZ JANE BOWERS |
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Institution: | University of Wyoming Department of Home Economics Laramie, WY 82071;Kansas State University Department of Foods and Nutrition Manhattan, Kansas 66506 |
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Abstract: | Emulsified turkey sausages (ETS) were prepared using varying concentrations of sodium chloride (NaCl; 1.5 to 2.0%), sodium tripolyphosphate (STPP, 0 to 0.5%), and sodium acid pyrophosphate (SAPP, 0 to 0.25%). The sensory characteristics (response variables) of saltiness, soapiness, and texture were evaluated using a trained taste panel. Response surface methodology was used to design and analyze this study. Over the levels of STPP and SAPP, saltiness increased as levels of NaCl were increased. When STPP and SAPP were evaluated in combination with NaCl, saltiness increased slightly as levels of STPP were increased; and saltiness decreased as levels of SAPP were decreased. Soapiness increased at low levels of NaCl (1.5%) as STPP increased. Texture firmness decreased as SAPP increased and STPP decreased at low levels of NaCl (1.5%). Results suggest that sensory perceptions in ETS products are a combination of NaCl, SAPP, and STPP mixtures. |
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