... depolymerization of chitosan by pronase and characterization of the resultant productsAcharya B. Vishu Kumar1, Lalitha R. Gowda2 and Rudrapatnam N. Tharanathan11Department of Biochemistry and ... 15 13 1518.41. Watanabe,T.,Kobori,K.,Kiyotaka,Miyashita,Fujii,T.,Sakai,H. & Makot, Uchida and Tanaka, H. (19 93) Identification of glutamic acid 204 and aspartic acid 200 in chitinase A1 of ... internal reference for comparison of band absorbance. Absence of a sharp and convolutedspectral band around 36 00 30 00 cm)1in the spectra of bothchitosan and LMWC indicated the absence of free...