coffee valve to tell you, use fresh coffee beans. At the time of purchase, pay attention to whether the color of the beans is the same as the size of the particles. The good coffee beans have a shiny appearance with a rich aroma without mixing with the odors. No matter what kind of coffee beans, freshness is an important factor affecting the quality.
When shopping, grab one or two coffee beans in the mouth to chew, to crisp sound (that coffee is not damp), cheeks fragrant is the top grade, but it is best to squeeze your hand, feel if it is solid, not buy crusty coffee. Such as coffee beans have lost their scent or smells, it means that the coffee is no longer fresh, not suitable for purchase.
Can coffee bean be eaten? Freshly roasted coffee beans are not suitable for immediate consumption, should be stored for a week in order to completely release the gas inside the beans.
In general, the best drinking period of coffee after a week after the frying, coffee beans at this time is most fresh and aroma is best.
In addition, the purity of coffee beans is another consideration, insiders choose coffee, not necessarily depends on the size of the particles, but grab a single product of coffee beans, about dozens of pieces of weight, take a look at each single bean whether the color is consistent, particle size, shape is the same, so as not to buy mixed beans to disguise the inferior products.
However, if it is an integrated bean, the size and color difference is normal phenomenon. In addition, heavy roasting and medium-deep roasting will result in coffee beans being out of oil. However, if the beans are roasted, the roasted beans show deterioration, not only reducing the alcoholicity, but also astringency and sourness.
In short, when buying coffee should pay attention to its freshness, scent and without smell, and the ideal number of purchases is finished in half a month is appropriate.