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Table 3 DPPH % of different sponge crude extracts

From: Callyspongia crassa and C. siphonella (Porifera, Callyspongiidae) as a potential source for medical bioactive substances, Aqaba Gulf, Red Sea, Egypt

Extract

Concentration (μg/ml)

0

25

50

100

200

400

800

Ascorbic acid

0.0

77.41

93.6

100

100

100

100

C. crassa

0.0

3.5

11.7

17.7

21.1

32.9

58.1

S. siphonella

0.0

0.0

0.0

0.0

0.0

0.0

0.0