Jusnita, N., Sugiyono, S., Yuliana, N. D., & Suyatma, N. E. (2025). Exploring pH-Responsive Color Changes of Anthocyanin Extracts from Four Selected Plants as Potential Natural Food Deterioration Indicators. Indonesian Food Science and Technology Journal, 9(1), 61–70. https://doi.org/10.22437/ifstj.v9i1.46450