Coffee brewing method: a detailed introduction of the principle and characteristics of the French kettle

The principle of the French kettle:

By the way of soaking, the essence of coffee is released through the stewing method of full contact between water and coffee powder.

The characteristics of the French kettle:

It's not expensive! No consumables]

Take the best quality Japanese glass king (HARIO) heat-resistant glass French pressure on the market as an example, the basic style market price is only a few hundred yuan, itself does not need filter paper and other consumption materials, careful care and use, can easily reach more than ten years of service life.

[small size, suitable for carrying travel]

French pressure is very light, weighing only more than 100 grams, during the trip, as long as there is hot water and coffee powder (or coffee beans and compact grinder) can enjoy a cup of mellow coffee at any time! George, founder of Coffee relationship (Coffee Connection) and famous in American boutique coffee industry. George Howell must take French pressure and coffee beans with him when he travels to make sure he can enjoy a good cup of coffee wherever he goes.

[easy to use, easy to clean]

"anyone can learn how to brew an espresso with French pressure in 30 seconds. "it performs particularly well with high-quality deep-roasted coffee beans, as long as 1. 5%. Grind the powder and pour in, 2. Flush hot water, 3. Soak for two minutes, 4. Press the pressure bar and pour it out, you can easily enjoy a good cup of coffee!

French pressure cleaning is very easy, rinse the kettle body and filter element after use, and place natural shade to dry! It takes only 20 seconds to complete the cleaning, which is called "one of the easiest coffee equipment in the world to clean and maintain".

[the best partner for full-bodied, deep-roasted coffee]

Why is the coffee made with French pressure so full-bodied? The answer is simple. French pressure uses the most direct coffee extraction principle-soaking-filtration, and uses a metal (a few brands use plastic) filter, so that the oil and aromatic substances extracted from coffee can pass through the filter unhindered. This characteristic is especially prominent when paired with deep-roasted coffee beans, which can fully show the slippery, sweet, complex and rich characteristics of deep-roasted coffee.

Playing French pressure is the easiest time to control, the same situation of beans, grinding, different water temperature of different time has different effects. Generally speaking, the longer the time, the stronger the taste, but it is prone to bitterness, astringency and miscellaneous taste. However, when the five major factors of playing coffee change, controlling time will have unexpected results (for example, deep-roasted beans will get great aroma and sweetness by controlling shorter time. Light-roasted beans need a little more time to extract acidity and aroma). Playing French pressure control time is the most readily available, play to see, there will be a lot of gains!

two。 To observe the condition of beans, because French pressure is the easiest equipment to concentrate on the condition of beans. You can look at the amount of yellow foam (crema) of coffee after contact with water, and the coffee suspended on the surface of the water slowly sinks, observing these phenomena can not only learn more about beans, but also have a better understanding of other equipment.