DPPH^*

IC₅₀ µg/mL

Chlorophyta

U. lactuca

230.50 ± 9.03^a

C. tomentosum

300.17 ± 35.38^b

Phaeophyta

C. crinita

50.5 ± 3.20^c

C. stricta

75.11 ± 30.13^d

S. vulgare

150 ± 26.28^e

Rhodophyta

H. musciformis

200.33 ± 24.18^a

J. rubens

130.5 ± 31.53^e

G. latifolium

300.03 ± 9.22^b

Ascorbic acid

156 ± 12.06