|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/422 ; 426/435 ; 426/597|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 7 인용 특허 : 2|
A process for preparing a powdered tea extract wherein black tea leaves are macerated with water, the macerated leaves are extracted first with cold water and then with hot water after which the cold and hot extracts are mixed before being concentrated and dried.
A process for preparing a powdered tea extract characterized in that black tea leaves are macerated with a sufficient amount of water to wet, soften and swell the tea leaves at a temperature of from 15°C. to 40°C. for a period of at least 20 minutes, the macerated leaves are extracted first with at least 2 parts cold water per part by weight of tea leaves for a period of from 2.5 minutes to 2 hours at a temperature of from 10°C. to 40°C., and then with hot water for at least 2.5 minutes at a temperature of at least 60°C. after which the cold and hot extr...