PURPOSE: An extraction method of liquid Dutch coffee is provided to enable users to easily dilute the liquid Dutch coffee with warm or cold water without using complex equipment or tools.CONSTITUTION: 1 kg of coffee beans are roasted at 220-230°C for 11-12 minutes (1). The roasted coffee beans are aged at 15-20°C for 24 hours (2). The aged coffee beans are grounded with a grinder (3). A mixed solution including 1,800-1,900 g of 10-15°C below zero of ice and 450-500 ml of purified water in a water tank is prepared (4). A glass coffee container is filled with ground coffee, and settled (5). Three layers of coffee particles are filled in the glass coffee container (6). Dutch coffee is extracted by using the mixed solution. The extracted Dutch coffee is charged, sealed, and packed (8).COPYRIGHT KIPO 2013[Reference numerals] (1) Roasting coffee beans (2) Fermenting the coffee beans (3) Pulverizing the coffee beans (4) Ice + purified water (5) Steaming coffee ground (6) Filling coffee in a glass container (7) Extracting Dutch coffee (8) Packing the coffee with a disposable container (AA) Processing coffee beans (BB) Method for extracting Dutch coffee (CC) Coffee green beans본 발명은 일회용 액상 더치커피 및 그의 추출방법에 관한 것으로, 이를 더욱 상세하게 설명하면, 커피의 생두를 중배전하고, 중배전된 커피를 숙성한 후, 그라인더로 분쇄하고, 분쇄된 커피를 유리 커피통(CT)에 입자의 굵기에 따라 각각 채워 넣어 뜸들이기를 하고, 뜸들이기가 끝난 후, 유리 커피통(CT)에 입자의 굵기에 따라 3층으로 채워진 커피를 얼음과 정제수로 혼합되여 준비된 추출용액으로 더치커피를 추출하고, 추출된 더치커피를 충전 및 밀봉하고 포장하여 일회용으로 활용할 수 있도록 구성된 액상 더치커피 및 그의 추출방법에 관한 것이다.
