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. 2021 Nov 23;10(12):2897. doi: 10.3390/foods10122897

Table 1.

Real images and mean values of lightness (L*), red-green (a*), yellow-blue (b*), and total color difference (ΔE) of potato starch-based films containing 0% (neat), 15% SFO (spent frying oil), and 15% SFO/KOH. Different lowercase letters represent significantly different values (p < 0.05).

Starch-Based Films Real Image L* a* b* ΔE
0% (neat) graphic file with name foods-10-02897-i001.jpg 86.76 ± 0.42 a 1.54 ± 0.04 a −1.64 ± 0.16 a -
15% SFO graphic file with name foods-10-02897-i002.jpg 87.06 ± 0.32 a 1.27 ± 0.07 b −0.99 ± 0.29 b 0.75
15% SFO/KOH graphic file with name foods-10-02897-i003.jpg 86.66 ± 0.35 a 0.89 ± 0.07 c 0.23 ± 0.31 c 1.98