|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/271 ; 426/330.3 ; 426/425 ; 426/435 ; 426/579|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 54 인용 특허 : 46|
Green tea extracts having improved clarity and color. These extracts are obtained by treating the green tea extract with an amount of a food grade cation exchange resin effective to remove metal cations present in the extract. The treated extract is then contacted nanofiltration membrane while the treated extract is at a temperature of from about 100.degree. to about 140.degree. F. (from about 37.8.degree. to about 60.degree. C.) to provide a filtered green tea extract as the permeate. These green tea extracts can be included in a variety of beverages an...
[ What is claimed is:] [1.] A process for obtaining a green tea extract having improved clarity and color, which comprises the steps of:a. providing a green tea extract;b. treating the green tea extract with an amount of a food grade cation exchange material effective to remove metal cations present in the extract; andc. contacting the treated extract with a nanofiltration membrane while the treated extract is at a temperature of from about 100.degree.to about 140.degree. F. to provide an extract permeate having, on a 1% soluble solids basis:(1) a mixtur...