... activity for kaolin clay suspension. NaOH extraction has the highest yield, while washing extraction resulted to the lowest. The main component of the polymers obtained was protein, involving saccharide ... to A260 ratio of the UV-absorbing peak indicated it was composed mainly of nucleic acid. In the profile of the NaOH-extracted polymer (B), the elution volume (80 ml) of saccharide corresponded ... saccharide. These included the band corresponding to a molecular weight of 103,000 in the steaming-extracted polymer (1), the band corresponding to 38,000 in the NaOH-extracted polymer (2), the band...