Coffee brewing technology what should be paid attention to in coffee grinding

We all know that the ideal way to make delicious coffee is to freshly roast coffee beans within 7 days, brew freshly ground coffee powder, and then freshly made coffee, so the ideal time to grind coffee powder is to grind it before cooking.

Why do you need to grind the coffee powder before brewing it?

Ground coffee is easy to oxidize and lose its aroma, especially without proper storage, coffee powder is also easy to change flavor, naturally can not brew mellow coffee. Some friends are afraid of trouble or do not want to buy a bean grinder. They usually buy ready-made coffee powder when they drink coffee at home. At this time, they should pay special attention to the problem of storage. After the coffee powder is opened, it is best not to place it at room temperature at will. The more appropriate way is to put it in a sealed jar. Because the coffee powder is easy to absorb, an accidentally becomes a strange taste of coffee, then no matter how good the quality of coffee is ruined. On the contrary, some people put the steamed coffee powder in the refrigerator after drying or microwave drying as a deodorant, which is a good way to make the best use of coffee grounds. For more coffee grounds usage, you can check out the top 15 coffee grounds usage.

When making coffee, choosing the right degree of grinding is very important to make a good cup of coffee. When grinding beans, the size of the powder depends on the way it is cooked. Generally speaking, the shorter the cooking time, the finer the grinding powder; the longer the cooking time, the thicker the grinding powder.

Why choose the degree of grinding of coffee?

The extraction of water-soluble substances in coffee powder has its ideal time, if the powder is very fine and steamed for a long time, resulting in over-extraction, the coffee may be very bitter and lose its aroma; on the contrary, if the powder is very coarse and cooks too fast, resulting in insufficient extraction, then the coffee will be tasteless because it is too late to dissolve the water-soluble substances in the powder.

How to choose the degree of grinding of coffee?

1. ESPRESSO machine takes a very short time to make coffee, so the coffee powder is the finest, and the coffee powder is as fine as flour.

Second, it takes about 1 to 3 minutes to brew coffee by siphon. Coffee powder is ground with medium thickness.

Third, the thickness of American coffee pot and hand bleb is generally the thickness of granulated sugar.

Suggestions on the selection of coffee grinder

There are different brands and types of bean grinders for grinding coffee, and the ideal one is a grinder that can adjust the thickness of the beans. Do not use blade grinder, machete grinder easy to cause uneven thickness. In this way, the coarse powder is not enough to extract the fine powder has been over-extracted. It is conceivable that the coffee brewed in this way must be bitter and astringent, with mixed flavors. About the choice of bean grinder, which kind of coffee grinder is the best?

Suggestion on grinding coffee beans

When grinding coffee beans with a bean grinder, do not grind too much at one time, just enough powder for one time, because the longer the bean grinder is used at one time, the easier it is to heat up, which indirectly causes the coffee beans to be heated in the grinding process and causes the aroma to be released in advance, which will affect the aroma of the steamed coffee.