Siregar FI, Nainggolan R, Azizah N, Sidauruk TV, Kaban M. Effectiveness of Purple Cabbage Flower (Brassica oleracea var. capitata f. rubra) Extract as a Natural Indicator for Borax Identification in Food Products. BIOCHEPHY:JSE [Internet]. 2026Jun.1 [cited 2026Jun.5];6(1):105-12. Available from: https://journal.moripublishing.com/index.php/biochephy/article/view/1970