Does coffee bean oil have anything to do with coarseness?

Coffee bean oil refers to the oil component contained in coffee beans, which has an important influence on the flavor and taste of coffee. And this oil does have a certain relationship with the thickness of coffee beans.

First, let's look at the effect of the size of coffee beans on the release of oil during roasting. During roasting, as the temperature rises, the moisture inside the coffee beans will gradually evaporate and chemical reactions will begin. One of the important reactions is the release of oil. Coffee beans of different sizes are subjected to different temperatures and times during roasting, resulting in different internal moisture and chemical reaction rates.

Secondly, the different thicknesses lead to different temperature and time treatments during the roasting process, which may affect the timing and amount of oil release. Generally speaking, coarser coffee beans are larger in size and smaller in density, so they receive relatively less and uniform heat conduction in the same period of time, so the oil release is slower. Smaller coffee beans are smaller in size and larger in density, so they receive relatively more and uneven heat conduction in the same period of time, so the oil release is faster.

Finally, there is a certain quality correlation between coffee bean oil and coarseness. Generally speaking, coffee beans with moderate coarseness can better maintain their internal moisture and chemical reaction balance during the roasting process, and are conducive to the uniform release of oil. This can make the coffee beans produce a richer and more complex flavor during the extraction process.

In summary, there is indeed a certain relationship between coffee bean oil and coarseness. Coffee beans of different coarseness are treated differently in temperature and time during the roasting process, which affects the timing and amount of oil release and the final taste and flavor. Therefore, when selecting and processing coffee beans, it is necessary to consider their coarseness and select according to personal preferences and taste requirements.