COMPOSITION OF NUTRIENT MEDIUM FOR CULTURING ACETOBACTER XYLINUM FOR BACTERIAL CELLULOSE PREPARING (VARIANTS) Russian patent published in 1999 - IPC

FIELD: microbiology. SUBSTANCE: invention relates to production of cellulose used in medicine, food, cosmetics and technology. The composition of nutrient medium has sugar-containing waste of sugar production as a source of carbon and nitrogen. The composition has peptone as a compensating agent of nitrogen deficiency, yeast extract as a source of vitamins and ethanol as an accelerating agent of cellulose biosynthesis. Medium can contain ethanol as an accelerating agent of biosynthesis in an additional variant. Balanced composition of the nutrient medium for culturing Acetobacter xylinum ensures to obtain high yields of bacterial cellulose showing unique properties as compared with plant cellulose and utilize waste partially. EFFECT: increased yield of cellulose, improved ecology. 5 cl, 12 ex