“…Temperature indicators show whether products have been heated above or cooled below a reference (critical) temperature, warning consumers about the potential survival of pathogenic micro-organisms and protein denaturation during, for example, freezing or defrosting processes. Furthermore, TTIs have also been applied to assess the pasteurization and sterilization process [Mehauden et al, 2007;Tucker et al, 2007Tucker et al, , 2009.…”