FIELD: medicine, pharmacology, pharmacy.
SUBSTANCE: invention relates to a method for preparing the xanthane thickening agent for drugs and for technical aims. Method involves culturing strain-producers Xanthomonas campestris on nutrient medium comprising carbon nutrition source, mineral salts and growth factors under aeration condition. Culturing process is carried out in fermenters preliminary washed out with 0.01-0.05% of β-lactam antibiotic or antibiotic from tetracycline order, water followed by sterilization. Method provides improving quality of xanthane thickening agent.
EFFECT: improved preparing method.
4 cl, 1 tbl, 3 ex
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