초록 ▼

A method of making coffee is provided. After a cold-brewed coffee is extracted from coffee beans, nitrogen gas is charged into the cold-brewed coffee. The cold-brewed coffee into which nitrogen gas is dissolved, is cooled to form a nitrogen-charged coffee. Therefore, the nitrogen-charged coffee may

A method of making coffee is provided. After a cold-brewed coffee is extracted from coffee beans, nitrogen gas is charged into the cold-brewed coffee. The cold-brewed coffee into which nitrogen gas is dissolved, is cooled to form a nitrogen-charged coffee. Therefore, the nitrogen-charged coffee may keep a rich density of foam and a flavor.

대표청구항 ▼

1. A method of making coffee comprising: extracting a cold-brewed coffee from coffee beans, the cold-brewed coffee being stored in a keg which is occupied with nitrogen gas;charging nitrogen gas into the cold-brewed coffee by bubbling the nitrogen gas in the cold-brewed coffee stored in the keg;cool

1. A method of making coffee comprising: extracting a cold-brewed coffee from coffee beans, the cold-brewed coffee being stored in a keg which is occupied with nitrogen gas;charging nitrogen gas into the cold-brewed coffee by bubbling the nitrogen gas in the cold-brewed coffee stored in the keg;cooling the cold-brewed coffee into which the nitrogen gas is dissolved to form a nitrogen-charged coffee; anddispensing the nitrogen-charged coffee into a cup,wherein dispensing the nitrogen-charged coffee into the cup comprises: discharging the nitrogen-charged coffee from a nozzle to partially fill the cup; andadditionally discharging nitrogen gas from the nozzle while discharging the nitrogen-charged coffee to fill the cup additionally. 2. The method of making coffee of claim 1, wherein extracting the cold-brewed coffee from the coffee beans comprises: grinding the coffee beans to form a ground coffee;steeping the ground coffee into water to form a mixture having the ground coffee and water;partially extracting an extracted coffee from the mixture; anddiluting the extracted coffee with water. 3. The method of making coffee of claim 1, wherein a concentration of total dissolved solids in the cold-brewed coffee is in a range from about 1.36% to about 1.58%.