Tea extract preparation

Tannase covalently immobilized by its glycoside part on an insoluble support. Process for the preparation of a tea extract, in which an aqueous extract of tea leaves is prepared, and the extract is treated at a temperature of 20-65 DEG C. with tannases whose glycoside part is covalently immobilized...

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Bibliographic Details
Main Authors NICOLAS; PIERRE, REYMOND; SYLVIANE, SAUVAGEAT; JEAN-LUC, RAETZ; ERIC
Format Patent
LanguageEnglish
Published 13.10.1998
Edition6
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COFFEE
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
MANUFACTURE, PREPARATION, OR INFUSION THEREOF
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
TEA
THEIR SUBSTITUTES
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
VINEGAR
WINE
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Summary:Tannase covalently immobilized by its glycoside part on an insoluble support. Process for the preparation of a tea extract, in which an aqueous extract of tea leaves is prepared, and the extract is treated at a temperature of 20-65 DEG C. with tannases whose glycoside part is covalently immobilized on an insoluble support, in particular in a tank which contains immobilized tannases in suspension, or in a reactor which includes a fixed bed or a fluidized bed of immobilized tannases.
Bibliography:Application Number: US19960760620