4. Conclusion
The present study demonstrates that dry olive mill residue
(DOR) water extracts can be used as nutrients and carbon
sources for the production of bacterial cellulose. Although BC
was obtained in lower yields than those reported with the
reference medium HS, the results are promising since we are
dealing with low value residues without any kind of nutritional
supplementation. Furthermore the BC production
yields reported here are, so far, the highest in a process using
industrial residues and G. sacchari bacterium. So, this work
opens good perspectives for future valorization studies of
these residues by producing a biomaterial with unique properties
such as bacterial cellulose.