Table 3 – The % degradation of RAE solutions at ambient
temperature.
Time
(min)
% degradation of anthocyanin
pH 1 pH 4
1.75 × 10−5 M 3.00 × 10−5 M 1.75 × 10−5 M 3.00 × 10−5 M
30 4.00 3.65 23.18 17.02
60 10.91 7.18 43.91 32.05
90 12.27 10.14 60.72 48.31
120 13.40 7.28 63.82 61.46