Research Article

Isolation and Characterization of Chitosan-Producing Bacteria from Beaches of Chennai, India

Table 3

results of transformation of chitin to chitosan by the isolates.

Flask typeFermented broth of isolate S3Fermented broth of isolate S14Control flask
(not inoculated)

Chitosan recovered in10 ml of 2% acetic acid10 ml of 2% acetic acid10 ml of 2% acetic acid
Neutralization of 2% acetic acid with 1 N NaOHWhite precipitate observedWhite precipitate observedNo precipitate observed
Iodine reactionDark purple colorationDark purple coloration