The difference between the taste of large coffee beans and small coffee beans describes the taste of coffee
For the same kind of coffee, the bigger the bean, the higher the grade, the smaller the bean, the lower the grade, and the cheaper it is. Of course, there are differences in taste. The bigger the beans, the stronger the coffee. However, in addition to high-grade products, the classification of other coffee is not very strict, for example, the central grade beans can account for 60%. Then beans one level higher than this level and beans at a lower level will each account for 20% at the same time. Therefore, sometimes it is roasted according to the standard of the marked central grade, and the other 40% of the coffee cannot be roasted under the best conditions.
The taste of new coffee and old coffee baked in the same variety and degree will be significantly different, of course, new beans are more fragrant. Although the moisture of the new bean will be greatly lost and the color will turn white after several years of preservation, the fragrance will not be greatly affected.

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Basic flavor characteristics of coffee beans from major producing areas Coffee Bean structure Chart China Fine Coffee Association
After coffee beans spread to all parts of the world, due to the different climate, soil quality, planting methods and processing methods, the taste of coffee beans can be said to be completely different. The following is a list of the basic flavor characteristics of Arabica coffee beans from different producing areas (it should be noted that the flavor of coffee produced by different producing areas and different farms in the same place will be different. Some people usually think that coffee
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How to determine the freshness of coffee beans
There are three steps: smell, look and peel. Smell: close the coffee beans to the nose, deeply smell, is it possible to clearly smell the aroma of coffee beans, if yes, on behalf of coffee beans fresh enough. On the contrary, if the aroma is weak, or if it has begun to appear greasy, it means that the coffee beans are completely stale. Coffee beans like this, no matter how much effort you put into grinding
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