Packaging common sense of coffee beans flexible non-airtight packaging
Flexible non-airtight packaging: this is the most economical one. It is usually used by local small baking plants because they can guarantee rapid supply and coffee beans can be consumed in time. Coffee beans in this way can only be preserved for a short time. Usually no more than a week.
Airtight packaging: suitable for bars, shelves or families, mainly in small bags and cans, coffee is vacuum and sealed after being packed. As carbon dioxide is produced after roasting, this method can only be carried out after the coffee has been degassed for a period of time. The storage period of coffee beans should be longer than that of coffee powder. Because the storage period does not need to be separated from the air, so the cost is low. The coffee under this packing should be used up within 10 weeks.
One-way valve packaging: a variety of sealed containers can be used. The roasted coffee is put into a special airtight container with an one-way valve, which can only remove the gas without inflow, ensuring the insulation of the coffee from the outside air and the timely discharge of carbon dioxide. There is no need for separate storage stage, but due to the outgassing process, there will be a certain loss of aroma. This method can avoid the formation of xxx flavor, but can not prevent the loss of aroma.
Pressurized packaging: this is the most expensive way, but it can preserve coffee for up to two years. The size depends on the type of user, family or bar. After a few minutes of baking, the coffee can be packed in a vacuum. After adding some inert gas, the appropriate pressure is maintained in the package, and the coffee beans are preserved under pressure, leaving the aroma on the fat, thus improving the aroma of the beverage.
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Most people mistakenly think that coffee will taste sour if it is not fresh.
Most people mistakenly think that coffee is sour if it is not fresh, and sour coffee is not good. This is really a great smear and misunderstanding! In fact, coffee itself is an acidic beverage. Whether coffee is sour or not depends on the baking degree of beans. The longer the baking time is, the higher the caramelization degree is, and the more acidic substances are destroyed, the less sour it is, and the shorter the baking time is, the lower the caramelization degree is.
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The storage of coffee beans directly affects the quality of coffee beans.
The storage of coffee beans directly affects the quality of coffee beans, especially for coffee beginners, how to preserve your beloved beans, here are several ways to recommend the preservation of coffee beans. ◎ makes good use of the specific gravity of carbon dioxide as far as gas is concerned, the specific gravity of carbon dioxide is higher than that of gas. Therefore, in the same sealed space, carbon dioxide precipitates at the bottom and air floats at the top. Understood
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