Betacyanin as Bioindicator Using Time-Temperature Integrator for Smart Packaging of Fresh Goat Milk

Figure 5

(a) The ∆E value of the bioindicator at room temperature (25 ± 2°C). (b) The ∆E value of the bioindicator at freezing temperature (−20 ± 2°C).

(a)

(b)