. 2022 Mar 19;11(6):880. doi: 10.3390/foods11060880

Table 2.

The secondary structure of different CPI samples (with or without ultrasonic treatment).

Ultrasonic Treatment	α-Helix	β-Sheet	β-Turn	Random Coil
Control	25.49 ± 0.24 ^a	21.71 ± 0.01 ^bc	26.04 ± 0.04 ^d	25.85 ± 0.08 ^a
10 min-200 W	23.35 ± 0.30 ^d	21.87 ± 0.22 ^abc	27.64 ± 0.45 ^c	24.06 ± 0.13 ^b
10 min-400 W	24.75 ± 0.17 ^b	22.10 ± 0.04 ^abc	28.26 ± 0.11 ^bc	23.63 ± 0.54 ^bc
10 min-600 W	24.00 ± 0.02 ^bcd	22.27 ± 0.11 ^abc	28.22 ± 0.19 ^bc	23.08 ± 0.37 ^bcd
15 min-200 W	24.33 ± 0.19 ^bc	21.38 ± 0.30 ^c	28.05 ± 0.28 ^c	22.50 ± 0.25 ^bc
15 min-400 W	24.45 ± 0.17 ^bc	22.38 ± 0.07 ^ab	25.68 ± 0.05 ^d	23.78 ± 0.01 ^bc
15 min-600 W	24.54 ± 0.18 ^b	22.70 ± 0.28 ^a	25.92 ± 0.29 ^d	24.51 ± 0.50 ^ab
30 min-200 W	23.75 ± 0.18 ^cd	21.55 ± 0.24 ^bc	27.46 ± 0.48 ^c	23.09 ± 0.45 ^bcd
30 min-400 W	23.40 ± 0.03 ^d	21.61 ± 0.59 ^bc	29.77 ± 0.28 ^a	22.21 ± 0.81 ^cd
30 min-600 W	23.39 ± 0.70 ^d	21.69 ± 0.76 ^bc	29.47 ± 0.38 ^ab	21.55 ± 0.52 ^d

^a^–^d different letters in the same column indicate statistically significant differences at p < 0.05.