VERFAHREN ZUR INTENSIVIERUNG DER MIKROBIOLOGISCHEN UMWANDLUNG VON STEROIDVERBINDUNGEN

VERFAHREN ZUR INTENSIVIERUNG DER MIKROBIOLOGISCHEN UMWANDLUNG VON STEROIDVERBINDUNGEN

Microbiological conversions of cyclodextrins are intensified by adding to the reaction mixture 0.2 to 3 moles of alpha -, beta - or gamma -cyclodextrin or an optical mixture thereof pro mole of the steroid substrate, before, at the beginning or during the conversion. The cyclodextrin if desired, can...

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Hauptverfasser: BARTHO,ISTVAN,-ELEK, SZOEKE,AGNES,..STADLER,GEB, VIDA,ZSUZSA, SZEJTLI,JOZSEF,..DR, HANTOS,GABOR, HABON,ILONA, PECHANY UDRVARDY NAGY,GEB. CSEREY, TRINN,MARIA, CZURDA,MARTA BALAZS,GEB
Format: Patent
Sprache:ger
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
SPIRITS
VINEGAR
WINE
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Zusammenfassung:Microbiological conversions of cyclodextrins are intensified by adding to the reaction mixture 0.2 to 3 moles of alpha -, beta - or gamma -cyclodextrin or an optical mixture thereof pro mole of the steroid substrate, before, at the beginning or during the conversion. The cyclodextrin if desired, can be removed after the reaction. In this way the reaction velocity can be increased, the reaction time is reduced, the substrate concentration in the solution, i.e. its solubility is increased or the so called product inhibition may be avoided. In certain cases of more alternatives the desired reaction can be catalyzed and in this manner the selectivity is increased.