Alam, M. K.; Ahmed, M.; Akter, M. S.; Islam, N.; Eun, J.-B. Effect of Carboxymethylcellulose and Starch As Thickening Agents on the Quality of Tomato Ketchup. Pak. J. Nutr. 2009, 8 (8), 1144–1149. https://doi.org/10.3923/pjn.2009.1144.1149.