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The function of one-way Valve in Coffee Packaging

The function of one-way Valve in Coffee Packaging

A number of coffee newcomers asked us why there are holes in the top of your coffee bag. Today, the editor will come and explain it to you. The packaging of coffee beans in the store has always been a Kraft paper one-way exhaust valve with aluminum foil bag, which is specially designed for coffee products. The hole above is the vent of the one-way exhaust valve. So why coffee?

2016-01-15
Packaging of coffee beans one-way valve packaging

Packaging of coffee beans one-way valve 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. Due to

2015-06-08
Is a one-way venting can really necessary for coffee beans?

Is a one-way venting can really necessary for coffee beans?

I saw a sealed can with one-way exhaust on TB. I haven't seen it before. I only know that the bag has exhaust. Is this jar better for preserving coffee beans than coffee bags?

2014-08-28
How to store coffee beans to ensure the flavor of coffee? How to maintain coffee beans

How to store coffee beans to ensure the flavor of coffee? How to maintain coffee beans

Raw beans are unprocessed, and raw beans are dried and picked. Coffee beans are roasted and can be ground and drunk directly. Most cooked coffee beans are foil lined one-way vent bags. Aluminum foil blocks light and air. The one-way vent valve works to vent excess carbon dioxide so that the bag doesn't burst unopened. When you get coffee beans

2016-03-30
How to Save Coffee

How to Save Coffee

As far as gases are concerned, the specific gravity of carbon dioxide is higher than that of air. Therefore, in the same confined space, carbon dioxide will settle at the bottom and air will float at the top. After understanding this truth, when choosing a container or packaging bag, you can judge its versatility. Use an upright sealed jar to push fresh coffee beans to release oxygen

2014-09-04
How long is the shelf life of ripe coffee beans? How long does it take to finish the cooked beans after roasting?

How long is the shelf life of ripe coffee beans? How long does it take to finish the cooked beans after roasting?

Wine lovers all know that a bottle of wine encapsulated in a bottle is a living creature that is changing all the time. In fact, the same view applies to packaged and stored coffee beans. So how long can the unopened coffee beans be preserved in proper packaging? We use the practical experience of a large number of lovers and coffee shopkeepers to freshen the cooked beans of coffee.

2015-10-16
Why does the coffee bag have a small hole? what's the reason?

Why does the coffee bag have a small hole? what's the reason?

(1)。 Bagging: bagging is generally divided into: non-airtight packaging, vacuum packaging, one-way valve packaging, pressure packaging. Non-airtight packaging: it is actually a temporary package and is only used for short-term storage. Vacuum packaging: roasted coffee beans need to be placed for a period of time and then packaged to prevent carbon dioxide damage to the packaging, this kind of packaging can generally be stored for about 10 weeks. Single

2016-10-19
Coffee beans knowledge and freshness and packaging storage related knowledge

Coffee beans knowledge and freshness and packaging storage related knowledge

Green coffee beans (i.e., unroasted) do not spoil for years, but once they enter the roasting process, the aroma awakens and they begin to age day by day. Roasted coffee beans lose their flavor in three to four days if they are not properly preserved; properly stored, they may be allowed to extend the taste period by three or four months. Fresh coffee beans are easy to bubble out of the mellow nectar, tasteless coffee beans even gods are difficult. Green coffee beans are bad.

2015-01-26
The freshness of coffee beans and the knowledge of packaging and storage

The freshness of coffee beans and the knowledge of packaging and storage

Roasted coffee beans give off a charming fragrance, but at the same time, the charm is rapidly lost. As soon as coffee beans come out of the oven, they are exposed to oxygen, hydrogen, bright light and high temperature. they are the biggest killer of coffee aromatics. we must find ways to isolate them.

2014-08-18
Fresh coffee beans

Fresh coffee beans

Coffee beans fresh raw coffee beans (that is, unroasted coffee beans) will not decay for several years, once the raw beans enter the roasting process, after the aroma wakes up, they begin to age day by day. Roasted coffee beans will lose their taste in three to four days if they are not properly preserved. If they are properly stored, the taste period may be extended by three or four months. Fresh coffee beans are easy to soak into mellow jade, and off-flavor coffee beans are difficult for even immortals.

2014-06-26
Knowledge related to freshness, packaging and storage of boutique coffee

Knowledge related to freshness, packaging and storage of boutique coffee

Raw coffee beans (that is, unroasted beans) will not rot for several years. Once the raw beans enter the roasting process, the aroma wakes up and they begin to age day by day. Roasted coffee beans will lose their taste in three to four days if they are not properly preserved. If they are properly stored, the taste period may be extended by three or four months. Fresh coffee beans are easy to soak into mellow jade, and off-flavor coffee beans are hard to be immortals. Raw coffee beans are not good.

2015-04-13
Knowledge about freshness of coffee beans and packaging and storage

Knowledge about freshness of coffee beans and packaging and storage

Raw coffee beans (that is, unroasted beans) will not rot for several years. Once the raw beans enter the roasting process, the aroma wakes up and they begin to age day by day. Roasted coffee beans will lose their taste in three to four days if they are not properly preserved. If they are properly stored, the taste period may be extended by three or four months. Fresh coffee beans are easy to soak into mellow jade, and off-flavor coffee beans are hard to be immortals. Raw coffee beans are not good.

2015-10-26
How to keep the coffee fresh? Coffee bean packaging

How to keep the coffee fresh? Coffee bean packaging

Boutique coffee is good coffee and is harmless to health. Different from coffee made with low-quality coffee beans, high-quality coffee uses high-quality coffee beans and freshly made coffee, which is harmless to health, and drinking in moderation is beneficial to the body and mind. Raw coffee beans (that is, unroasted beans) will not rot for several years. Once the raw beans enter the roasting process, the aroma wakes up and they begin to age day by day. Roasted coffee beans if

2016-05-26
High-quality coffee beans introduce the selection of coffee cooked beans, the maintenance of coffee beans, the roasting of coffee beans

High-quality coffee beans introduce the selection of coffee cooked beans, the maintenance of coffee beans, the roasting of coffee beans

After the coffee beans are roasted, the oxidation and aroma volatilization are irreversible. So coffee lovers have always been meticulous about the preservation of beans. This article mainly analyzes the preservation of cooked beans. I hope it will be helpful to you. one。 What is raised beans (single product) freshly roasted coffee beans can not be fully released because of too much carbon dioxide, so they are tasteless. So Dou Bing

2016-03-22
Packaging of coffee beans: what bag is the most suitable for packaging coffee beans?

Packaging of coffee beans: what bag is the most suitable for packaging coffee beans?

Coffee bags can choose to use environmentally friendly materials, such as linen bags, cotton bags. General conventional packaging, especially overseas merchants like to use yellow linen to package. Jute is not only environmentally friendly and recyclable, but also can be printed with a variety of logos. Beautiful and practical. Since coffee beans naturally produce carbon dioxide after roasting, direct packaging is easy to cause packaging damage.

2015-12-14
How to preserve coffee beans? How can coffee beans last longer?

How to preserve coffee beans? How can coffee beans last longer?

The main factors affecting the storage of coffee beans are temperature, humidity, oxygen and light. The higher the temperature, the higher the humidity, the higher the oxygen content, and the stronger the light, the faster the coffee beans will crack, causing the coffee flavor to decrease or disappear. Better preservation of coffee beans requires solving these problems. Green beans emit a lot of carbon dioxide after baking, so they are suitable for one-way lining aluminum foil.

2016-05-18
How long do you drink coffee beans after baking? how long is the shelf life? how long is the time to raise beans? a few days.

How long do you drink coffee beans after baking? how long is the shelf life? how long is the time to raise beans? a few days.

There are many theories about how to raise beans. For example, coffee beans are sealed in an aluminum foil bag with an one-way exhaust valve and kept in a constant temperature space for 8 to 24 hours. After opening, you have to put it for 30 minutes to a few hours, come into contact with the air, in order to have a good flavor and moderate exhaust. In fact, different coffee varieties need different bean cultivation and exhaust time for roasting, which requires us.

2016-10-20
Coffee Encyclopedia Coffee beans packaging and selection

Coffee Encyclopedia Coffee beans packaging and selection

1, coffee beans packaging oxygen-containing packaging: can block light, but because there is residual air in the packaging, it can not prevent the oxidation of coffee; vacuum packaging: vacuum plastic packaging vacuum can be a good way to prevent coffee oxidation gas filling packaging: filling inert gas into the packaging and air replacement one-way valve packaging: the use of special valve function will occur in the packaging of carbonic acid gas outward

2014-09-18
Introduction to the packaging of coffee beans, the materials used in packaging and the differences in color

Introduction to the packaging of coffee beans, the materials used in packaging and the differences in color

According to the form of coffee supply, coffee packaging can be divided into three categories: raw bean export packaging, roasted coffee bean (powder) packaging, instant coffee packaging. Ethiopia Maral coffee packaging atlas 1, raw bean export packaging: raw bean packaging is generally used in gunny bags. Different coffee producing countries in the world usually export coffee beans in 70kg or 69kg packages (only Xia Wei

2015-12-14
On the Preservation of Coffee cooked beans

On the Preservation of Coffee cooked beans

After the coffee beans are roasted, the oxidation and aroma volatilization are irreversible. So coffee lovers have always been meticulous about the preservation of beans. This article mainly analyzes the preservation of cooked beans. I hope it will be helpful to you.

2014-08-08
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