Cellulose is an unbranched polymer of -1,4- linked glucopyranose residues. Extensive research on BC revealed that it is chemically
identical to PC, but its macromolecular structure and properties differ from the latter (Figure 1). Nascent chains of Bacterial cellulose aggregate to form subfibrils, which have a width of approximately 1.5 nm and belong to the thinnest naturally occurring fibers, comparable only to subelemental fibers of cellulose detected in the cambium of some plants and in quinee mucous (Kudlicka, 1989). Bacterial cellulose subfibrils are crystallized into microfibrils (Jonas and Farah, 1998), these into bundles, and the latter into ribbons