Abstract
ABSTRACTChemical, physical, and sensory effects of 0.4% sodium tripolyphosphate (STPP), tetrasodium pyrophosphate (TSPP) and three commercial phosphate blends were studied in frozen beef patties over a 90‐day storage period at −20°C. Addition of phosphates significantly (P<0.05) increased pH, soluble orthophosphates, Hunter color a values, cook yields and overall acceptability scores. Phosphate addition did not affect (p>0.05) proximate analysis, texture, and flavor scores. Hunter L (lightness) and b (yellowness) values were also unaffected by phosphates. Overall quality of patties, as measured by thiobarbituric acid (TBA) numbers and cooking yields, was improved by all phosphates. There were indications that phosphates interfered with the distillation TBA test.
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