Tichoniuk M, Radomska N, Cierpiszewski R. The Application of Natural Dyes in Food Freshness Indicators Designed for Intelligent Packaging. SOEP [Internet]. 2017 Jul. 31 [cited 2026 Sep. 22];5(7):19-34. Available from: https://www.journals.ue.poznan.pl/soep/article/view/3640