[Hydrolysis of streptococcal polysaccharides by micromycete dextranases].

The effect of dextranase enzyme preparations obtained from Penicillium piscarium BIM G-102, Penicillium funiculosum, Aspergillus insuetus G-116 and Aspergillus ustus on polysaccharides synthesized by cariesogenic Streptococcus sanguis and Streptococcus mitis was being studied. According to the data obtained dextranases from P. piscarium, P. funiculosum and Asp. ustus can be considered as a promising anticarious agent.