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[Use of a freeze-drief culture of Leuconostoc mesenteroides for the synthesis of dextran].

The influence of a prolonged storage of the freeze-dried culture Leuconostoc mesenteroides strain SF-4 on its capacity for the dextrane synthesis has been studied. The culture has maintained its normal viability for 12 years (the observation time) without changes in the cell morphology and capacity for the dextrane synthesis. The structure of dextrane synthesized by the revived culture L. mesenteroides has been similar to that of dextrane synthesized by the culture L. mesenteroides preserved via passages.