Discussion on the flavor of coffee: what are the factors that affect the flavor of coffee

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The three killers of the loss of coffee flavor

Factors affecting the preservation of coffee include:

1. Air:

Coffee beans themselves contain oil, and the more heavily roasted they are, the more obvious the oil will appear on the surface. once these oils come into contact with air, they will oxidize, resulting in the stench of fuel consumption. Therefore, when preserving coffee beans, air must be avoided by every means. Sealed cans and vacuum cans are commonly used preservation containers in order to isolate the outside air. (it is recommended to seal the container with opaque light)

two。 Temperature:

The sources of heat are the sun, light, fire, etc., no matter which kind of heat, it will accelerate the volatilization of aroma and the oxidation of oil, making the quality of coffee deteriorate faster, which is why the quality of coffee beans is easier to change in hot summer. In order to avoid quality deterioration caused by high temperature, be sure to choose a cool place where there is no sun, no one shines directly at close range, and avoid fire sources such as gas stoves to store coffee beans. (it is recommended to use a Polaroid box / moistureproof box and place it in a cool place)

3. Humidity:

The water content of roasted fresh coffee beans is very low, precisely because the water content of fresh beans is very low, so if the surrounding environment is relatively humid, coffee beans will become a hygroscopic agent, damp will lead to higher water content, coffee aroma and quality will be quickly lost.

How to preserve coffee beans correctly

In fact, it is not difficult to preserve coffee beans at all. You can master the following principles:

1. After the opening of coffee beans, be sure to use sealed cans or clips to do sealing action, choose small packaging when buying, do not hoard beans, buy as much as you drink, and speed up turnover as much as possible.

two。 No matter whether the beans are opened or not, please put them in a place with shade, dryness, ventilation, no sunshine, light, temperature and humidity.

3. Coffee beans are just like other foods, no matter how well the preservation conditions are controlled, it is best to drink them as soon as possible.