Basic knowledge of four elements of high-quality coffee culture

Gan: sweet taste is when baking beans with sugar, caramel ingredients make the brewed coffee have licorice flavor. Acid: it has a slightly sour taste. The main reason is that beans contain compounds commonly mistakenly called caffetanicacid. Some beans, such as fresh ones, are mostly sour, but the sour taste decreases after aging and eventually disappears completely. Bitter: a product broken down when baking beans.