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The suitability of mandarin (MP), orange (OP) and pomegranate peel powders (PP) for co-pigmentation of dewberry, viburnum, red hawthorn, black hawthorn, and barberry anthocyanins was investigated. Spectrophotometric measurements indicated co-pigmentation causing both a hyperchromic effect (Delta ABS(max) 5-13) and bathochromic shift (Delta lambda (vis-max) up to 13 nm). The degradation kinetics of anthocyanins were estimated at temperatures ranging from 70 to 90 degrees C. First-order reactions with rate constants of 0.45-2.93 min(-1) and 0.30-2.00 min(-1) were observed for the reference and P ...More