Coffee machine grinding degree, the journey to find the best coarseness and fineness

Abstract: The grinding degree of the coffee machine is an important factor affecting the taste of coffee. Different grinding degrees will affect the extraction speed and efficiency of coffee, and then affect the taste and aroma of coffee. Exploring the best grinding degree is a journey to pursue the perfect taste of coffee. The right grinding degree can maximize the performance of the coffee machine and bring the best brewing effect. Choosing the right grinding degree is an important link that coffee lovers cannot ignore.

In the process of grinding coffee powder, the degree of grinding is a crucial parameter, which directly affects the taste, aroma and extraction efficiency of coffee. However, the question of "how much is appropriate" is not a fixed answer. It is affected by many factors. This article will discuss in detail the choice of coffee machine grinding degree and show you the impact of different grinding degrees on the coffee experience.

1. Basic knowledge of coffee machine grinding degree

The grinding degree of a coffee machine refers to the size of the coffee powder particles. The particle size not only affects the extraction speed of the coffee liquid, but also affects the flavor of the coffee. The grinding degree can be divided into three categories: fine grinding, medium grinding and coarse grinding.

Fine grinding : small particles, large surface area, high extraction efficiency, but easy to cause over-extraction, resulting in a bitter taste. It is suitable for making espresso or Italian coffee that requires fast extraction.

Coarse grinding : The particles are larger, the surface area is small, and the extraction efficiency is relatively low, but it can avoid over-extraction, produce a softer taste and more layers, and is suitable for making French press coffee or cold brew coffee that requires long soaking.

Medium grind : between the two, suitable for making most daily hand-brewed coffee and drip coffee.

But the above classification is only a rough reference. Different coffee machines, different coffee beans and even different weather conditions may affect the best grinding size selection.

2. Factors affecting grinding degree

1. Coffee machine type : Different coffee machines have different requirements for grinding degree. Italian coffee machines require finer grinding degree to ensure sufficient extraction, while French press coffee machines are suitable for slightly coarser grinding degree.

2. Type and freshness of coffee beans : Different types of coffee beans have different densities and textures. Freshness will also affect their hardness, thus affecting the choice of grinding degree. Coffee beans with higher hardness may require coarser grinding to ensure extraction efficiency.

3. Climate conditions : In an environment with high humidity, coffee beans are prone to swelling due to moisture, and the grinding degree may need to be adjusted to ensure the ideal particle size.

4. Personal taste : The most important thing is that everyone has different tastes and preferences for coarseness. This requires you to try many times to find the grinding degree that suits you best.

3. How to adjust the grinding degree

To find the grind size that works best for you, you can adjust it by combining the following:

1. Gradual trial method : Start with one degree of grinding and gradually adjust the coarseness. Taste a cup of coffee after each change until you find the most satisfactory taste.

2. Consult professional advice : Consult a professional barista or read relevant information to understand the recommended grinding degree for different types of coffee beans and coffee machines.

3. Use professional tools : Use professional coffee scale tools or screens to quantify particle size to ensure consistent grinding fineness each time.

In actual operation, you may find that some coffee beans require finer grinding to bring out their unique flavor, while others require coarser grinding to avoid over-extraction. This is a process that requires constant trial and exploration.

The choice of coffee machine grinding degree is not fixed. It requires you to flexibly adjust it according to your taste, the type and freshness of the coffee beans, climatic conditions and the type of coffee machine. Only through continuous exploration and practice can you find the coffee grinding degree that suits you best. Next time you make coffee, you might as well spend more time adjusting the grinding degree to make your coffee experience more colorful!