|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A23F-003/00 A23F-005/00 A47J-031/00|
|미국특허분류(USC)||426/238 ; 99/287 ; 99/290 ; 99/300|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 20 인용 특허 : 0|
A method for extracting the effective ingredients from dried plant materials such as coffee, black tea, green tea, herbs, and the like as a concentrated liquid, and a device for implementing that method, are disclosed whereby an effective ingredient is extracted as an extracted liquid with high clarity and high concentration from dried plant material in a short time without loss of aroma and flavor without extracting the unpleasant bitter or astringent taste resulting from the extraction of tannin, while also sterilizing the extracted liquid.
A method for extracting an effective ingredient from dried plant material comprising extracting the effective ingredient as a concentrated liquid by adding water at 40°C. to 60°C. to the dried, plant material, applying ultrasonic waves at a frequency in the range of 100 to 500 KHz to the mixture of plant material and water, and filtering under a pressure reduction of 20 to 60 Torr to separate the effective ingredient contained therein.