Table 2.

Effects of Porphyra and its fractions on writhing response

Drug	Response	% inhibition
AA Control	51.2±0.124	0
PE	28.3±0.112	44.7
POR	18.1±0.024*	61.8
Indomethacin	9.51.96**	72.7

Value represent the mean ± S.E.M; POR (porphyran), AA (acetic acid), PE (Porphyra alcoholic extract);

^*: p<0.01,

^**: p<0.005 dunnet test.