. 2022 Sep 18;11(18):2895. doi: 10.3390/foods11182895

Table 3.

Secondary structure fractions of PPI with different EGCG concentrations.

EGCG (10⁻⁵ mol/L)	α-Helix (%)	β-Sheet (%)	β-Turn (%)	Random Coil (%)
0.00	27.0 ± 0.5 ^a	16.2 ± 0.4 ^a	21.9 ± 0.1 ^a	35.0 ± 0.1 ^a
2.50	26.9 ± 0.7 ^a	16.8 ± 0.4 ^ab	21.7 ± 0.2 ^ab	34.6 ± 0.2 ^b
5.00	26.6 ± 0.6 ^a	17.1 ± 0.3 ^b	21.7 ± 0.2 ^ab	34.6 ± 0.2 ^b
7.50	25.1 ± 0.3 ^b	19.3 ± 0.1 ^c	21.5 ± 0.1 ^c	34.1 ± 0.1 ^c
10.0	24.7 ± 0.7 ^b	19.7 ± 0.4 ^c	21.6 ± 0.2 ^ab	34.0 ± 0.1 ^c

Note: Different letters in the same column represent that the difference is significant (p < 0.05).