The extracellular inulinase in the supernatant of cell culture of the marine yeast Pichia guilliermondii 1 was purified to homogeneity with a 7.2-fold incre
Carboxymethyl-chitosan and carboxymcthyl-chitin were prepared by our labs method.The DS and DD of the carboxymethyl-chitosan was 103.14% and 97.18%,while th