. 2022 Mar 23;15(7):2381. doi: 10.3390/ma15072381

Table 5.

Reducing power (RP) and radical (DPPH, ABTS, $O_{2}^{-}$ ) scavenging activity of unmodified and modified alginate films.

Sample	RP (700 nm)	DPPH (%)	ABTS (%)	$O_{2}^{-}$ (%)
ALG	0.023 ± 0.002 ^a	8.60 ± 0.00 ^a	7.27 ± 2.39 ^a	7.47 ± 1.12 ^a
ALG + 0.10% MEL	0.026 ± 0.007 ^aA	90.62 ± 0.00 ^bA	90.87 ± 0.02 ^bA	83.79 ± 3.37 ^bA
ALG + 0.25% MEL	0.027 ± 0.004 ^aA	89.38 ± 0.02 ^cB	90.86 ± 0.11 ^bA	80.50 ± 1.39 ^bA
ALG + 0.50% MEL	0.035 ± 0.011 ^bA	89.30 ± 0.09 ^dC	90.78 ± 0.12 ^bA	81.67 ± 1.21 ^bA
ALG + 0.10% MEL + nZnO	0.016 ± 0.002 ^bA	5.15 ± 0.00 ^bA	35.24 ± 0.42 ^bA	24.02 ± 1.43 ^bA
ALG + 0.25% MEL + nZnO	0.024 ± 0.010 ^aAB	5.69 ± 0.07 ^cB	40.39 ± 0.57 ^cB	47.74 ± 1.17 ^cB
ALG + 0.50% MEL + nZnO	0.025 ± 0.003 ^aB	6.20 ± 0.00 ^dC	47.51 ± 0.23 ^dC	59.25 ± 4.14 ^dC
ALG + 0.10% MEL + nAg	0.030 ± 0.022 ^bA	0.04 ± 0.00 ^bA	22.70 ± 0.13 ^bcA	68.39 ± 3.65 ^bA
ALG + 0.25% MEL + nAg	0.056 ± 0.018 ^cAB	0.19 ± 0.07 ^cB	21.56 ± 1.12 ^bB	68.30 ± 7.78 ^bA
ALG + 0.50% MEL + nAg	0.084 ± 0.046 ^dB	1.36 ± 0.07 ^dC	23.92 ± 0.48 ^cC	78.41 ± 6.33 ^cB

Values are means ± standard deviation. Means with different lowercase (a–d) are significantly different at p < 0.05 (compared to control), means with different uppercase (A–C) are significantly different at p < 0.05 (compared to other variants within groups).