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. 2022 Jan 25;11(3):338. doi: 10.3390/foods11030338

Figure 7.

Figure 7

(A) Analysis of a* variation (Δa*) in bonito fish burgers during the storage period. Results are means of three independent experiments and error bars represent the standard error (sem). CTR (blue)—PP films without 1018K6; 1018K6-PP (green)—PP films functionalized with 1018K6. (B) Photos of Sarda sarda burgers packaged with the control and functionalized slides at each sampling time.