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Naseer S, Hussain S, Abid A. Betalain as a Food Colorant: its Sources, Chemistry and Health Benefits: Chemistry of Betalain and its Role as Food Colorant. PPASB [Internet]. 2019 Jun. 6 [cited 2026 Jan. 20];56(2):01–08. Available from: https://mail.ppaspk.org/index.php/PPAS-B/article/view/132