Uchegbu N, Nnamocha T, Ishiwu C. Natural Food Colourants Juxtaposed with Synthetic Food Colourant: A Review. Pak. J. Nutr. [Internet]. 2020 Jul. 15 [cited 2025 Sep. 10];19(8):404–419. Available from: https://pjnonline.org/pjn/article/view/2876