What should you pay attention to when buying coffee beans?

Size and taste

There is a difference in taste between large coffee beans and small coffee beans. 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.

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New and old and preservation time

Judging the new and old beans in coffee beans as well as the time to market can help to judge the freshness of coffee. The taste of new coffee beans and old coffee beans roasted in the same variety and the same degree will be significantly different, of course, the new beans are more fragrant, the reason is very simple, the freshness of coffee beans will directly affect the roasting and extraction of coffee. Although the moisture of the new bean will be greatly lost and the color will turn white after several years of preservation, the flavor will not be greatly affected, so it is more advantageous to choose the new bean when the specific production date of the coffee bean is unknown.