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. 2022 Sep 28;11(10):1925. doi: 10.3390/antiox11101925

Table 2.

Antioxidant, anti-ageing, and anti-hyperpigmentation activities of codfish and sardine residues extracts. ORAC values are expressed as the mean value ± SD. Enzymatic assays IC50 values are expressed as mean with a 95% confidence interval.

Sample Antioxidant Activity Anti-Ageing Activity Anti-Hyperpigmentation Activity
ORAC Elastase Inhibition Tyrosinase Inhibition
(µmol TEAC/mg extract) (IC50, mg extract/mL) (IC50, mg extract/mL)
Cf1 0.64 ± 0.18 42.58 (37.38, 49.88) >100 **
Cf2 0.54 ± 0.22 60.35 (50.71, 73.43) 78.59 (61.41, 100.70)
Cf3 0.59 ± 0.26 34.74 (24.57, 49.16) >100 **
Cf4 1.29 ± 0.26 38.11 (30.42, 49.52) 40.89 (30.26, 54.43)
S1 1.94 ± 0.08 44.29 (39.10, 53.44) 82.51 (57.12, 108.39)
S2 1.19 ± 0.10 >300 * 3.70 (3.26, 4.42)
S3 1.24 ± 0.06 17.96 (12.36, 25.83) 10.40 (5.02, 18.15)

* The maximum concentration tested was 300 mg/mL; ** The maximum concentration tested was 100 mg/mL.