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. 2021 Jan 6;10(1):103. doi: 10.3390/foods10010103

Table 4.

Surface free energy (mN/m) of SSP and ELP plates, with and without type A or B deposits.

Surface State
Equation
Total
OWRK *
Polar
Fraction
Dispersed
Fraction
SSP 49.1 ± 3.6 b 55.7 ± 1.6 b 1.0 ± 0.1 c 54.7 ± 1.5 b
Type A 62.2 ± 5.9 a 122.5 ± 12.5 a 4.6 ± 0.6 b 117.9 ± 11.9 a
Type B 61.9 ± 0.3 a 125.5 ± 12.9 a 12.4 ± 0.4 a 113.1 ± 12.0 a
ELP 36.7 ± 0.9 c 46.4 ± 4.4 c 33.7 ± 1.9 a 12.7 ± 2.5 c
Type A 62.1 ± 1.5 a 153.2 ± 5.2 a 18.8 ± 3.4 b 134.4 ± 1.8 a
Type B 54.7 ± 2.3 b 108.9 ± 3.6 b 1.9 ± 0.1 c 107.0 ± 3.5 b

* OWRK: Owens–Wendt–Rabel–Kaelble. Columns with different letters (a–c) indicate significant difference relative to plates without deposits (p < 0.05).