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Table 2 Effects of periostracum extracts (200 μg/mL each) on the attachment and germination of Porphyra suborbiculata monospores

From: Antifouling effects of the periostracum on algal spore settlement in the mussel Mytilus edulis

Periostracum

Extracts

Yield (%)

Relative attachmenta (%)

Relative germinationa (%)

Acidified outer

Dichloromethane

21.5

35 ± 17**

5.1 ± 1.8**

 

Ethyl acetate

5.0

41 ± 7**

8.9 ± 2.4**

 

Methanol

5.0

55 ± 9*

10.6 ± 5.0**

Acidified inner

Dichloromethane

37.5

31 ± 7**

3.5 ± 3.2**

 

Ethyl acetate

5.0

32 ± 1**

5.2 ± 2.6**

 

Methanol

5.0

34 ± 6**

10.6 ± 2.4**

Fresh inner

Dichloromethane

0.5

35 ± 5**

3.4 ± 5.4**

 

Ethyl acetate

1.5

37 ± 9**

4.5 ± 4.1**

 

Methanol

1.0

47 ± 8*

16.5 ± 3.6**

Reference

  

81 ± 7

83.2 ± 5.9

  1. aRelative activities (%) are expressed as means ± SD (n ≥ 3)
  2. *P < 0.1, **P < 0.01