Abstract
ABSTRACTOrange concentrate (OC) 66°Brix, was tested for effect of storage temperature and storage time on product quality. OC was stored at −12.2, −6.6, −1.1, and 4.4°C, and analyzed for °Brix, % acid, ascorbic acid, furfural, serum viscosity, apparent viscosity, browning, Hunter color values, and taste panel scores at monthly intervals for 1 yr. Significant (p > 0.01) decreases were found in ascorbic acid content and Hunter color value (Y) due to storage time, and temperature. Nonenzymatic browning increased and taste panel scores significantly decreased with storage temperature and time. Taste panelists were able to detect significant differences in flavor after 5 and 9 months at 4.4 and −1.1°C, respectively.
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