Crude extract has attained its highest coagulation activity,
slightly above 50%, at dosage 1 mL/L and pH 9.5. In comparison
to this result, highest obtained coagulation activities crude extract
has reached at pH 9 and 10 were about 2.4 and 1.5 times lower,
respectively. The highest obtained efficiency in turbidity removal
resulting in coagulation activity just below 50%, the 1st fraction
has shown also at pH 9.5 but at double dosage in comparison to
crude extract. In addition, at pH 10 this fraction containing compounds
having molecular weight below 10,000 Da has also showed
high coagulation activity in comparison to other results, 47.6% with
relatively low dosage 0.5 mL/L.