METHOD FOR PREPARING CALCIUM CITRATE

FIELD: biotechnology, microbiology, organic chemistry. ^ SUBSTANCE: invention relates to a method for preparing organic acids, in particular, citric acid. Method involves isolation of calcium citrate and acid stable amylolytic enzymes from the solution cultural fluid after fermentation with fungus A...

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Bibliographische Detailangaben
Hauptverfasser:	SHAROVA N.JU, MUSHNIKOVA L.N
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	FIELD: biotechnology, microbiology, organic chemistry. ^ SUBSTANCE: invention relates to a method for preparing organic acids, in particular, citric acid. Method involves isolation of calcium citrate and acid stable amylolytic enzymes from the solution cultural fluid after fermentation with fungus Aspergillus niger. The isolation process is carried out at temperature 10-50°C and pH 3.2-5.9. Method provides increasing yield of calcium citrate and complex of acid stable amylolytic enzymes: alpha-amylase and glucoamylase. ^ EFFECT: improved preparing method. ^ 1 tbl, 6 ex