Moreover, the spectrum profile obtained at pH 2.0 is quite common for anthocyanins, in accordance with the literature (Lee, Durst, & Wrolstad, 2005). Thus, confirming successful anthocyanins extraction. The results for the anthocyanin extract are also in accordance with the study by Março and Scarminio (2007), which showed formation of the flavylium cation under strongly acidic conditions (pH 1.0 and 3.0).