Can coffee beans be used beyond the warranty period-how long is the shelf life?

Can coffee beans be used beyond the warranty period-how long is the shelf life?

How to preserve coffee beans

Roasted coffee beans are easily oxidized by oxygen in the air, which deteriorates the oil quality, volatilizes and disappears aroma, and then accelerates deterioration through temperature, humidity, sunlight and so on. So, how to preserve the coffee beans? The preservation requirements of coffee beans are airtight, low temperature and protection from light.

If the unopened coffee beans can be put in the refrigerator, the temperature decreases, the oxidation rate of coffee beans is bound to slow down. However, if the coffee beans have been opened, it is not recommended to put them in the refrigerator. Among the important elements that affect coffee, moisture has the greatest impact on the taste of coffee. Coffee beans will absorb moisture and the taste will deteriorate to a large extent.

When the bagged coffee beans are unpacked, be sure to fold the opening and clamp it with a clip to avoid contact with the air. At the same time, after sealing the mouth of the bag, put the bag into an opaque sealed jar for storage, the opaque jar can slow down the speed of oxidation. Finally, store the jar in a dry and cool place. Nowadays, there are many vacuum cans specially used to store coffee beans on the market, and their prices are relatively cheap, so they are good tools for storing coffee beans.

The total 10-week period from the latest fresh period everywhere is neither long nor short, and consumers should make good use of it. After the disposal period of coffee cooked beans, even if the bag has not been opened, but also a sharp decline in flavor, no sense of freshness, no taste value.

Cold is a depressing way for coffee, but it is still releasing carbon dioxide, but it is too cold to be let out, so as soon as it returns to normal, it will run out "very fast-speed-speeding" (beans yell: I am glad to come out) The cold rice is even more cold, and it is possible to speed up the water in the beans, the coffee beans that lose more water, or the beans with water on the surface, which are all "deep damage" to the coffee beans.

So let's put it this way, it is really fresh under the condition of cold storage and cold storage. But don't take it out. As soon as you get back to Changchang, especially when you open it for a spoonful, the freshness of the past is quickly gone together: from the end of the "fresh period" of about two weeks, the coffee beans in the bag are gradually going down from their peak. However, if it is properly preserved, the quality and flavor of coffee beans decline slowly in the first period of time, and the freshness of coffee beans is still at a high level. We call it a "relatively fresh period" for about one month. Every coffee lover and coffee shopkeeper should strive to use up the coffee beans purchased before the end of the "fresh period".

Disposal period: calculated from the end of the "fresher period" of about 4 weeks, the quality and flavor of ripe coffee beans has been much worse than before, it is difficult to act as the word "fresh", unable to meet the picky needs of professionals. However, it is OK to make some fancy coffee, such as refreshing coffee for family breakfast, black coffee for coffee shops, or blending milk, cream, chocolate sauce, etc., which need not be denied at all. We believe that this stage can be maintained for about a month, during which time we need to open the bag and use it as soon as possible, which can be called the "disposal period".