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The influence of different ions and concentrations (0.14, 1.4, 7, 14 mmol/L) on the retention rate of blueberry anthocyanin extracts (BAEs) during six-hour storage. (A) Fe2+; (B) Na+; (C) Ca2+. BAEs without added ions were used as a control group. Data are represented as the mean ± standard deviation (SD, n = 3). Different lowercase letters indicate significant differences in BAE retention rate with different treatments at the same storage time (p < 0.05).
