Coffee powder pressing skill coffee powder pressing strength Italian espresso powder pressing skill
People who choose to buy a freshly ground coffee machine must be people who have unique requirements for the taste of coffee. The quality of a freshly ground coffee machine affects the taste of coffee to a certain extent. Therefore, it is an important prerequisite to choose a high-quality freshly ground coffee machine to grind high-quality coffee.
1. The selected freshly ground coffee machine should have the function of adjusting the thickness of ground beans to meet the needs of different coffee utensils. Different kinds of coffee utensils have different requirements for coffee powder.
two。 A good freshly ground coffee machine should be corrosion resistant. Therefore, coffee is acidic, so when grinding coffee beans in the current coffee machine, the grinding core needs to have corrosion resistance. Generally speaking, the grinding core treated with nodular cast iron technology has good corrosion resistance.
3. Brand and product technology. Brand is the most intuitive embodiment of product quality and service. High-end brands are based on a large number of high-quality products. Baristas all know that when using an Italian coffee machine, the hot water brewed has about 5-9 atmospheric pressure. Under high pressure, when the water penetrates the coffee cake, the water is inert, which means that the water will penetrate through the weakest part of the coffee powder, not the thickest place. So if you do not use a coffee powder press to compact and flatten the coffee powder, the essence of the coffee will not be extracted, or there may be some over-extraction of a cup of espresso. In addition to the quality of grinding beans and the coffee machine, a convenient powder press is also very important. The quality of pressing powder can refer to the flow rate of coffee during extraction (the extraction time is about 25 seconds). If the flow rate is too fast, the strength of pressing powder is too light; if the flow rate is too slow, the strength of pressing powder is too heavy, which directly affects the finished product of Italian concentration and the taste of coffee. Every barista is constantly exploring, looking for a habit and leisurely first step in a dazzling array of powder presses: cloth powder-quick; hold the brewing handle in one hand and flatten the coffee powder quickly but gently with the other. Usually we use slightly curved fingers to pull the coffee powder from one side of the powder bowl to the other, and then push the coffee powder back to the opposite side.
Step 2: press the powder-accurate; hold the cooking handle in one hand and place it on the powder mat with the other hand holding the powder press and letting the bottom of the powder press handle fit right into the palm of your hand, keeping the wrist straight. And the powder press should be a straight extension of your arm. Gently press on the coffee powder with a pressure of 5 pounds (1 pound = 0.454 kg). If there is coffee powder glued to the inside of the powder bowl, tap the handle with the powder press so that the coffee powder can fall.
Step 3: press the powder-flat; use the same powder press and press the powder again at a pressure of 30 pounds. Finally, the powder press is turned 720 degrees to polish the surface.
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Coffee brewing ratio instant coffee brewing ratio coffee powder brewing ratio
In theory, during the brewing extraction process (the roasting degree of coffee beans is 5565 according to the SCAA standard), the hot water temperature in contact with coffee powder should be kept at 9194 degrees, which is called the best extraction water temperature. Of course, this temperature range is a theoretical value, and experienced producers don't have to be too dogmatic. In practical applications, it may be for a specific brewing appliance, or for a certain type of deep baking.
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Coffee flower should pay attention to what kind of coffee pull flower with what milk pull what coffee is called
Coffee flower drawing is divided into two processes, namely: flower drawing and carving. To pull flowers is to pour milk with milk foam into espresso to mix the two kinds of foam to form a unique pattern. However, carving, as the name implies, is to draw a more delicate figure on the surface of the coffee with a coffee needle, extra milk foam or chocolate sauce. Nowadays, the art of coffee carving can be painted more complex.
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