Capillary electropherograms of the products after the enzymatic digestion by hyaluronidases. (A) Hyaluronan treated with hyaluronidase from bovine testis, (B) methyl-esterified hyaluronan treated by hyaluronidase from bovine testis, (C) hyaluronan treated with hyaluronidase from Streptomyces hyalurolyticus, (D) methyl-esterified hyaluronan treated with hyaluronidase from Streptomyces hyalurolyticus, (E) hyaluronan treated with hyaluronidase from Streptococcus dysgalactiae, (F) methyl-esterified hyaluronan treated with hyaluronidase from Streptococcus dysgalactiae.