D in the culture media were incubated with -N-acetylglucosaminidase (open circles
D from the culture media have been incubated with -N-acetylglucosaminidase (open circles) or glucuronidase followed by incubation with -N-acetylglucosaminidase (closed circles), and after that applied to Sephadex G-25 column chromatogram.three.two.…