|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/049 ; 426/052 ; 426/597|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 5|
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.degree. 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.
[ What is claimed is:] [1.] Process for the preparation of a tea extract, which comprises preparing an aqueous extract of tea leaves and treating the aqueous extract at a temperature of 20.degree.-65.degree. C. with an immobilized tannase whose glycoside part is covalently immobilized on an insoluble support.