You must know how to preserve coffee beans.
It's not hard to have a nice cup of coffee. But you must know how to buy and preserve coffee. Improper preservation methods will affect the quality and flavor of coffee.
(1)There are three main factors that affect coffee beans:
Temperature/Humidity/Daylight
(2)Best coffee tasting period:
Coffee beans for four weeks, coffee powder for weeks
(3)Shelf life of coffee beans in vacuum packaging:
Vacuum tank about 24-28 months. Flexible plastic film vacuum packaging for 12 months
To minimize physical and chemical changes in coffee, packaging is a very important knowledge. Because of the smaller contact with air, coffee beans are easier to preserve in quality and flavor than ground coffee powder, so in order to maintain coffee aroma, try to start grinding when brewing coffee. Ground coffee powder can be stored in a freezer (below zero temperature) storage box if it is not in an airtight container.
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Knowledge of grinding fineness of popular science coffee
Freshness is the first element of good coffee, and the second important task is to master the roughness and fineness of coffee beans, which directly affects the extraction effect, that is, the quality and intensity of coffee flavor. In principle, the finer the coffee powder, the longer the brewing time, the stronger the coffee flavor; on the other hand, the thicker the coffee powder, the shorter the brewing time, the lighter the taste. The longer the extraction time, the thicker the beans will be ground so as not to cause excessive extraction.
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On the basis of coffee bean blending
Acid beans are mainly in Brazil 40%, Colombia 30%, Mocha 30%, Brazil 30%, Mocha 30%, Brazil 30%, Colombia 30% Brazil 50%, Colombia 50%, Colombia 30%, Java 20% bitter beans mainly Brazil 40%, Java 20%, Colombia 20% Mocha 30%, Brazil 30%, Colombia 20%, Colombia 20%, Java
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