FIELD: biotechnology. SUBSTANCE: invention relates to the new strain of Aspergillus niger VKPM F-681 - a producer of citric acid. Strain is obtained by selection and has black conidia, diameter - 3.4-4.6 mcm. Strain produces 11.8-18.7 g citric acid/1 g air-dried mycelium. EFFECT: high yield of biomass and citric acid. 1 tbl
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METHOD OF CITRIC ACID PRODUCING | 1994 |
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Authors
Dates
1997-09-10—Published
1993-10-21—Filed