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Extraction of betacyanins from Hylocereus polyrhizus peels using aqueous two-phase system
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Hylocereus polyrhizus, known as red dragon fruit provides a betacyanin pigment source, which is not only concentrated in the flesh but also present in the peel with high content. Betacyanins are beautiful red-violet pigments used as food additives and stable in a wide pH range from 3 to 6. However, the stability of betacyanins is affected by heat, which causes discoloration. |