IC₅₀ (Mean ± SD)

Seaweed

Extract

24 h

48 h

72 h

Hexane

>200

>200

>200

C. Jacquinotii

Chloroform

>140

>140

>140

Methanol

>240

>240

>240

Hexane

70.46 ± 1.84^a

82.5 ± 1.91^a

61.06 ± 1.79^a

I. cordata

Chloroform

115.9 ± 2.1^a

172.4 ± 2.4^b

164.5 ± 2.2^b

Methanol

>600

>600

>600

Hexane

242.6 ± 2.4^a

315.2 ± 2.5^b

284 ± 2.45^a

D. anceps

Chloroform

125.9 ± 2.1^a

45.83 ± 1.7^b

27.12 ± 1.43^c

Methanol

87.73 ± 1.94^a

38.69 ± 1.58^b

34.03 ± 1.53^b