Table 1. Mean values of the different quality requirements of soft drink sold in local market in Nigeria at different temperatures

Parameters Storage temperature (°C)
30 35 40 45 50
Bitterness (EBU) 1.27±0.011)a2) 1.29±0.01b 1.30±0.01b 1.32±0.01c 1.33±0.01c
pH 2.99±0.01a 2.92±0.01b 2.89±0.01b 2.83±0.01c 2.78±0.01d
Total acidity as citric acid (%) 0.014±0.001a 0.019±0.001b 0.024±0.001c 0.026±0.001c 0.030±0.001d
Ethyl alcohol (%v/v) ND3) ND ND ND ND
Original gravity °Saccharin (%v/v) 1041±1.0a 1038±1.0b 1037±1.0b 1034±1.0c 1032±1.0c
Ascorbic acid (mg/L) 116.52±0.1a 88.26±0.2b 61.78±0.15c 34.11±0.2d 6.74±0.01e
Sugar content (mg/L) 10.9±0.1a 10.7±0.1b 10.5±0.1b 10.2±0.1c 9.9±0.1d
Values reported in mean±SD (n=3).
Different superscript letters indicate significant difference (p<0.05) between values in the same row.
Not detected.