Coffee machine maintenance detailed explanation of bean grinder cleaning
We introduced the effect of producing fine powder on coffee and some techniques to avoid producing fine powder. Among them, the cleaning of bean grinder is a very important point.
When the bean grinder is grinding coffee, it will produce static electricity, which will make the fine coffee powder and silver dandruff adsorb on the bean grinder, so the bean grinder must be cleaned up after use, otherwise the fine powder attached to the interior will be oxidized for a long time, and it will be mixed with fresh coffee next time. Therefore, the fine powder or silver skin must be peeled off with a brush, and the grease should also be carefully removed.
When grinding coffee to produce abnormal fine powder, you must pay attention to whether the blade of the bean grinder has been worn. The worn blade will cause uneven grinding, subdivision and friction heat, etc. The simple home bean grinder is used with low frequency, so the blade wear is not common.
If there is something wrong with the blade of the bean grinder used in the coffee shop, it will affect the quality of the product (that is, coffee), so a new blade must be replaced.
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Four main points of Fine Coffee study Coffee Bean Grinding
We often say that you have to drink a good cup of coffee, but making a good cup of coffee is closely related to roasting, grinding and brewing coffee powder, and these three keys are freshness. Today, let's talk about the four main points of coffee bean grinding. First of all, let's take the example of grinding buckwheat flour by stone mill. I remember when we were young, buckwheat was ground into flour in our family.
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Reduce the astringent taste of coffee to prevent excessive extraction of tannic acid
In the process of making delicious coffee, we always encounter all kinds of challenges. For example, if the extraction is too low, the aroma of the coffee will not be released, and the excessive extraction of coffee will lead to a cup of bitter coffee. With excessive extraction, how do you get the bitterness and astringency of coffee? Please take a look at what we share with you today: reduce the astringency of coffee: prevent excessive extraction of tannic acid
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