T. . and D. Natalia, “Extraction of Natural Colorant from Red Raspberry (rubus idaeus linn.) And its application in food sistem”, J. Teknol Industri Pangan, vol. 18, no. 1, p. 25, May 2010, Accessed: Dec. 26, 2025. [Online]. Available: https://journal.ipb.ac.id/jtip/article/view/372