The extract samples (0.5 ml different dilutions) were mixed with Folin-Ciocalteu reagent (5 ml with distilled water by rate 1:10) for 5 min and 4 ml aqueous Na2CO3 (1 M) were added
The extract samples (0.5 ml different dilutions) were mixed with Folin-Ciocalteu reagent (5 ml with distilled water by rate 1:10) for 5 min and 4 ml aqueous Na2CO3 (1 M) were added