Is the coffee bean the older the better?

What do you mean by "new beans"? What do you mean "Lao Dou"?

Just as rice has new rice, old rice and old rice, coffee beans also have new coffee beans, old coffee beans and old coffee beans. New coffee beans are called "new beans", which refers to the raw coffee beans that are harvested. The raw coffee beans produced the year before were "old beans". The raw beans harvested in earlier years are called "old beans".

In some places, under the name of old beans, raw coffee beans are kept in a constant temperature warehouse like wine for several years before they are roasted. In fact, coffee developed countries such as Europe and the United States believe that only the new beans produced in that year are high-grade products, because the taste and aroma of new beans are excellent.

Put the wine in a bottle because the production of yeast ripens the wine. It is impossible for a shelled coffee bean to mature no matter how static it is, because the germ in the seed has been removed and it will not germinate even if it is planted in the soil. Coffee producers usually preserve coffee beans in a shelled state, peel them and then export them, and preserve them as dried fruits or shell beans, which can keep the coffee more or less fresh.