Three factors that affect coffee beans: temperature/humidity/sunlight

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After buying good coffee beans, you should put them in a place that is not exposed to sunlight and low temperature and humidity, because it is not easy to dry the baked beans, it is easy to absorb the smell along with the moisture. In addition, do not store in a wet warehouse, and the temperature should be at room temperature. if you store in a place with high temperature and humidity, you should pay attention to ventilation.

Coffee beans should be stored in a dry and cool place. Do not put them in the fresh-keeping box of the refrigerator to avoid absorbing moisture. Put them in the freezer. Refrigeration is the ultimate means of keeping coffee beans fresh. When refrigerating, remember to put them in the freezer after sealing them. When you take them out of the freezer, you need to avoid the frozen part from melting and damp the coffee beans in the bag.

No matter how good the outer packaging of the purchased coffee beans is, you should pay attention to sealing the containers full of fresh coffee beans (preferably within 2 months after opening them), and keep them in a cool place in accordance with the sun and temperature conditions, and pay attention to the shelf life, so that there will be no problems at all.

The coffee beans should be as close to the top of the sealed jar as possible, and should be closed as soon as possible after each opening, so as to reduce the chance of meeting the beans with air. In addition, the outer packaging of the coffee beans can be fastened with a rubber band and then put into the sealed can. or the coffee beans can be divided into small packages of about one dose and then put into the jar, and if there is a desiccant, you can also put a packet in the jar to ensure that the jar is dry.

Due to the small air contact, coffee beans are more durable in quality and flavor than ground coffee powder. therefore, in order to maintain the aroma of coffee, try to grind coffee beans when you need to brew coffee.

For roasted coffee beans, the biggest changes in quality are "light", "temperature", "humidity" and "air", so it is necessary to control the time of contact with the air, lower the temperature, maintain a low humidity, and store it in a place where there is no light, or in a sealed container.

As the flavor of coffee is very unstable, it is easily affected by light, temperature, humidity, oxygen and other factors. Roasted coffee is exposed to the air for a long time and is prone to fat oxidation, which is an important cause of coffee deterioration. Roasted coffee contains about 10-15% fat, 75% triglyceride, and 50% linoleic acid. At the same time, linoleic acid can be automatically oxidized to hexanal, and the longer it is exposed to the air, hexanal will be oxidized into volatile substances, resulting in bad quality, resulting in the decline of the taste of coffee.

When buying freshly roasted coffee beans, it is best to choose beans baked on the same day, keeping in mind that freshness is irreplaceable. This is also why many people always ask me why your store has to place an order for baking and wait a day for delivery, and the store address needs a private message. Let me take this opportunity to talk about it. The reason is this. I only provide the freshest beans, and if the beans are baked in large quantities in advance, the beans bought by customers cannot be guaranteed to be the freshest, and the next day is awakening beans, and the taste of beans just out of the pot is not the best. the awakening time of each kind of beans is different, according to the time of beans, a reasonable planning of a common point in time, this is the best beans, as to why there is private information. We need to know in detail the tastes of everyone's guests, whether you are a rookie or a god, we just want you to have a complete flavor system, know what you like, what your taste is, and what you are drinking. What's its characteristic? This is our service and our responsibility.

Finish the beans as soon as possible: there is no way to keep the beans at their peak in perfect preservation. For a long time, it will only make coffee beans less and less fresh. It is not recommended to buy a lot of beans or beans that have been roasted for a long time. You can calculate your own consumption. A cup of coffee takes about 15 grams, and you have one cup a day. Most of the beans now are sold at half a pound 227 grams. Then you can buy it every half a month, so that what you buy every time is the freshest.

Coffee should be kept in a dry, cool place, not in the refrigerator, otherwise it will absorb moisture and oxidize. Beans that have been baked can be kept sealed at room temperature for 14 days, can be well preserved, can be extended for a few days, and can be stored in refrigerator or vacuum for 30 days. But the coffee in the refrigerator can only be thawed once, because when the beans or powder are taken out of the refrigerator, the temperature will rise rapidly, causing the surface of the coffee to condense water vapor and oxygen, which is why a lot of coffee should not be put in the refrigerator.

In order to reduce the chance of coffee beans coming into contact with the air, it is best to put coffee beans in a fresh bag, put them in a cool place and put a desiccant. Here is a tip: every time the coffee bag opens, tear it as small as possible, just pour it out, prepare a sealing clip and clip it at any time.

At present, when buying beans on the market, the packaging is dense with a single air valve and opaque aluminum foil.