There are four primary classifications of brewing methods, namely boiling, pressure, steeping, and gravity, which are determined by how the water is introduced to the coffee grounds.
Boiling is predominantly used in preparing Turkish coffee. Pressure is predominantly used in preparing perked coffee and espresso. Steeping refers to the method of preparing coffee using a press pot or French Press, and coffee bags.
Gravity refers to the method of preparing coffee using drip coffee makers.
The gravity method of brewing coffee was popularized in America and is arguably the most widely used method of brewing coffee in the world.
Questions about coffee? Have it answered by the professionals. Examples of some questions:
What are the considerations for an office coffee station?
What are the essential V60 Coffee Brewing tools?
Non coffee (but important to coffee) question: What is whole milk?
There are two main kinds of coffee makers that make use of the gravity method: the manual drip coffee maker and the automatic drip coffee maker (the latter is one that always come with coffee carafes)
The manual drip coffee maker is basically a filter basket that one places over a coffee mug. The filter basket contains a coffee filter and a substantial amount of ground coffee. Hot water is poured over the grounds.
As the water comes in contact with the coffee grounds, the coffee extraction process begins. The water begins to extract the oils and essences of the coffee, which give it flavor and aroma.
The liquid then seeps through the coffee filter and flows into the coffee mug. Once enough water has been poured over the grounds and all the liquid has flowed into the cup, the brewing process is finished. The used coffee filter and coffee grounds are discarded and the coffee is ready to be consumed.
The automatic drip coffee maker makes the preparation process easier, since it automatically introduces hot water to the coffee grounds so there is no need to pour hot water manually.
Using an automatic drip coffee maker entails filling up its water tank with fresh water, inserting a coffee filter, which contains coffee grounds, into the filter basket, placing a coffee carafe under the drip spout, and pressing the brew button. Within minutes, coffee will start to flow into the coffee carafe.
Most automatic drip coffee makers have features that make it even more convenient and easier to use, such as a programmable timer, automatic shutoff, and pause-and-serve, among others.
So, theoretically when you see coffee carafes, it is very likely a case of gravity brewing.
OCM was started in 2007, focusing first on coffee machines, then marketing for coffee and food and beverage companies. Check out this restaurant marketing guide to learn more about the many campaigns and companies we have worked with.
OCM has also created many marketing workshops and classes for the F&B industry. Many of the modules are running in the Singapore Skillsfuture Classes in tertiary institutions such as Temasek Polytechnic Skillsfuture Academy and also ITE College East COC classes.
For the readers (coffee lovers), we continue to share coffee articles (and videos) and have also started a free coffee class section (with free online coffee training supported by coffee partners).
To connect with coffee and F&B practitioners, join our growing F&B group on Linkedin (20 000 and growing).
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