Ghost tooth bean grinder disassembling coffee bean grinder recommendation

Ghost tooth bean grinder disassembling coffee bean grinder recommendation

Flat knife bean grinder

This kind of bean grinder has a large quantity in the market. Single, Italian, top commercial German Mehdi EK43 or mid-range MAZZER MAJOR, or Eureka MMG designed for home use. The positioning of flat knife bean grinder is generally clear.

To freshly grind coffee, buy a cheap bean grinder on Taobao. Good quality and fresh coffee beans can be extracted and tasted better than coffee powder.

The bean chopper not only can not evenly treat coffee beans into coffee powder, but also the heat generated in this process aggravates the rapid loss of oxidation flavor of coffee beans.

The first principle of fine coffee extraction: uniform extraction. The coffee powder of the chopping machine is coarse and fine, which leads to excessive or insufficient extraction of coffee, excessive scorching and bitter taste, and insufficient sour and astringent hemp.

First, let's talk about uniformity. I'm sorry to tell you that there is no absolute uniformity under the microscope! The powder produced by the three types of knives is uneven! So there is no such thing as an absolutely uniform bean grinder. The uniformity of your eyes is fundamentally different from the actual uniformity!

Second, the structure of the powdered particles is completely different after grinding, such as conical knife, ghost tooth and flat knife. Through grinding, it can be observed that the powder structure and shape of different knife shapes are completely different.

Third, the effect of powder structure on the flavor of coffee. This is just the extraction process. The core of the extraction process is the higher extraction rate at the high water temperature and the higher extraction rate at the fine point of grinding. So what is the effect of powder structure on extraction? It's nothing but a water block! Cone knife powder under the microscope, the main body of the powder structure will have many protruding outer fulcrum, just like a hedgehog. After a lot of powder particles gather, it is impossible to match them completely because of the external fulcrum. The gap will be larger and the flow of water will pass faster. The flow of water passes faster, so the extraction is relatively low. Ghost tooth powder, ghost tooth grinding out of the powder waist slender, relatively smooth, the coupling between powder and powder will be better. The gap is also small, the flow of water through will be relatively slow, and the extraction will be relatively more. In terms of taste, the sweetness of ghost teeth will be better with the same beans, the same amount of powder, the same water temperature and the same fineness of powder.