Analysis of the process of changing Coffee from solid to liquid

The coffee equipment is responsible for watching the owner demonstrate a handful of green beans, roast, grind, cook, and finally pour them into the cup, indulging in the phenomenon of coffee-the process from solid to liquid.

Roasting tools-make coffee beans jump happily

More and more coffee players are beginning to prefer to roast their own coffee beans, because usually coffee beans can only be kept fresh for 1 to 7 days after roasting, and then they will begin to lose flavor, leaving only bitterness and no mellow taste. So, roasting yourself ensures the freshness of the coffee beans. They describe this feeling as if they were frying a plate of fresh vegetables or steaming a fresh fish, which tastes better than the dishes at a party and adds a lot of spice.

Traditional roasters are roller type, which has the characteristics of stewing, which will make the coffee beans older and taste fuller. The household roaster can roast half a pound of coffee beans at a time. The roasting time (including cooling and beans) takes about 21~25 minutes. If you want to roast deeply, just increase the time. When using, just put in the green beans, set the roasting degree, press the start button, from roasting to cooling, the roaster can be automatically completed, and all you have to do is slowly enjoy the coffee beans jumping and falling happily in the roaster.

Grinding tool--make coffee beans finely ground

In order to blend with water, coffee has made the greatest sacrifice-broken pieces. Coffee before brewing, be sure to grind the beans into fine particles, increase the contact area between water and coffee, in order to extract delicious.

In fact, the grinder is more important than the coffee machine, and players recommend choosing the "saw grinder" because it grinds coffee evenly and quickly.

The operation method of the saw-tooth grinder is very simple. Generally speaking, it has two setting functions, one is to set the grinding degree, and the other is to set the grinding time. Abrasion is mostly represented by Arabic numerals, the smaller the number, the finer the grinding.

Above the grinder was a hopper containing unground beans, and below it was a drawer for ground coffee.

When choosing to buy a bean grinder, you should pay attention to its power, usually between 70 watts and 150 watts, the higher the better, the higher the power of the bean grinder, the faster the grinding speed, the shorter the time for the coffee powder to stay between the serrations, and the more able to grind out low temperature coffee powder.

Brewing tools-let coffee powder blend with water

To brew a good cup of coffee, in addition to fresh coffee powder and slightly harder water, of course, there must be a handy brewing tool. There are three main types of coffee brewing machines commonly used.

Drip filter: wet coffee powder with water, let coffee liquid to fall naturally through the filter cloth or filter paper speed, flow to the container. Basically, this method does not soak the coffee powder, just let the hot water slowly pass through the coffee powder.

Drip cups and electric coffee machines belong to this category, is the simplest brewing tool, can brew clean and bright color coffee.

Follicular: coffee powder into the pot, soaked in hot water for a few minutes, and then filtered by filter cloth or filter to form a cup of coffee liquid.

Siphon pot, drip pot, Belgian coffee pot and Vietnamese coffee pot, etc., all belong to follicular brewing tools, they all have a soaking process, thus forming a more complex taste.

High-pressure coffee: Pressurized hot water is used to penetrate the compacted coffee powder to produce a thick cup of coffee. Tools in this form include mocha pots and espresso machines.