. 2020 Mar 11;18(3):156. doi: 10.3390/md18030156

Table 3.

Radical scavenging activity of six CPs (RCP1–RCP6) from collagen hydrolysate of redlip croaker (P. polyactis) scales.

No.	EC₅₀/(mg/mL)
No.	DPPH·	HO·	$O_{2}^{-}$ ·
RCP1	4.24 ± 0.18 ^a	1.65 ± 0.11 ^a	7.98 ± 0.34 ^a
RCP2	0.59 ± 0.06 ^b	0.45 ± 0.05 ^b	0.62 ± 0.07 ^b
RCP3	0.37 ± 0.05 ^b	0.33 ± 0.04 ^b	0.47 ± 0.05 ^b
RCP4	1.76 ± 0.12 ^c	1.95 ± 0.14 ^c	0.99 ± 0.10 ^c
RCP5	0.45 ± 0.06 ^b	0.42 ± 0.05 ^b	0.74 ± 0.06 ^b,c
RCP6	2.96 ± 0.17 ^d	4.47 ± 0.24 ^d	2.43 ± 0.13 ^d

All data are presented as the mean ± SD (N = 3). ^a–d Values with the same letters in each column indicate no significant difference of different samples at the same radicals (p > 0.05).