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How many days can roasted coffee beans be preserved?

How many days can roasted coffee beans be preserved?

Vacuum packaged coffee most of the coffee bought back is put in vacuum packed plastic bags. The vacuum process removes oxygen and carbon dioxide from the container, which keeps the coffee powder fresh. Once the container is opened, the coffee will be in good condition for only 7-10 days. If you buy whole coffee beans and grind them by yourself, the coffee powder can last for 2 weeks. they

2016-10-11
A pressurized coffee machine for making espresso.

A pressurized coffee machine for making espresso.

What is variable pressure technology: at any time to achieve the specified pressure value, and can remain stable, again changed to the specified pressure value can remain the same, is the real variable pressure. If it is only an uncontrollable or unstable variable pressure during the extraction process, it is not a mature variable pressure technology (for example, the pressure of the drawbar machine cannot be controlled from beginning to end and changes all the time, such as Yang.

2014-12-31
On what is variable pressure Coffee Machine

On what is variable pressure Coffee Machine

What is variable pressure technology: at any time to achieve the specified pressure value, and can remain stable, again changed to the specified pressure value can remain the same, is the real variable pressure. If it is only an uncontrollable or unstable variable pressure during the extraction process, it is not a mature variable pressure technology (for example, the pressure of the drawbar machine cannot be controlled from beginning to end and changes all the time, such as Yang.

2015-03-14
6 kg of coffee and fresh beans can only be made into 1 kg of raw beans.

6 kg of coffee and fresh beans can only be made into 1 kg of raw beans.

The grown coffee fruit must be processed into raw coffee beans at a designated processing plant. It turns out that about 6 kilograms of fresh coffee beans can only be made into 1 kilograms of raw beans. Also, the sunshine time of coffee beans can not be too long, more than 4 hours, such as easy to grow spots.

2015-06-05
Italian Coffee Machine in detail about variable pressure Coffee Machine

Italian Coffee Machine in detail about variable pressure Coffee Machine

What is variable pressure technology: at any time to achieve the specified pressure value, and can remain stable, again changed to the specified pressure value can remain the same, is the real variable pressure. If it is only an uncontrollable or unstable variable pressure during the extraction process, it is not a mature variable pressure technology (for example, the pressure of the drawbar machine cannot be controlled from beginning to end and changes all the time, such as Yang.

2014-10-09
Coffee brewing method filter paper brewing method

Coffee brewing method filter paper brewing method

Filter paper brewing filter paper brewing the easiest brewing method the simplest coffee brewing method. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. The focus of brewing coffee is similar to that of cloth bag brewing, choosing coffee beans that have been roasted for a long time.

2016-06-12
Coffee grounds can also be used to extract biodiesel.

Coffee grounds can also be used to extract biodiesel.

According to foreign media reports, coffee can not only satisfy your hunger as afternoon tea, but also turn it into biofuel and drive your car. This statement comes from a study by scientists at the University of Nevada in the United States, who have found that boiled coffee grounds can also be used to produce biodiesel. The researchers said in a published article that the technology of making diesel from coffee grounds is not difficult, using chemistry.

2014-12-18
Boutique coffee beans: the standard of SCAA pecialty Coffee boutique coffee raw beans

Boutique coffee beans: the standard of SCAA pecialty Coffee boutique coffee raw beans

The raw bean defects of SCAA can be divided into two types: I and II. The requirement for premium coffee grade (specialty coffee) is: 1. There are no class I defects; 2. No more than 5 II class defects 3. There can be no "quaker" (0 quaker) Quick beans in cooked coffee beans. 4. The color range of raw coffee beans is pale yellow (light yellow), yellow-green (

2015-12-08
Coffee shop location, business location, where to open a coffee shop

Coffee shop location, business location, where to open a coffee shop

Compared with traditional catering, investing in coffee shops is a promising project. Li Ka-shing, the richest man in China, once said when summing up his secrets of real estate investment: location, location or location. The success of investment and operation of coffee shops is also closely related to the location. Where to open a store, what kind of store directly affects the business performance. 2 Commercial Mong Street becomes a coffee shop

2014-12-22
The definition of boutique coffee basic knowledge of boutique coffee

The definition of boutique coffee basic knowledge of boutique coffee

First of all, the definition of boutique coffee does not refer to the boutique of coffee, although it is better than ordinary coffee. Its English name Specialty Coffee can also be translated into special coffee, which means that only raw coffee beans that exceed a certain standard (such as 85 points) after being scored by professional tasters (cup testers) can be called fine coffee, and they can be traced back to planting manors, processing plants, batches and species.

2015-09-02
The method of brewing coffee by hand with filter paper.

The method of brewing coffee by hand with filter paper.

★ uses filter paper to brew the easiest method [characteristic] the simplest coffee brewing method. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. The focus of brewing coffee is similar to that of cloth bag brewing, choosing coffee beans that have been roasted for a long time.

2015-06-20
When should I stop baking? It can be judged from the following points

When should I stop baking? It can be judged from the following points

When should I stop baking? The color of coffee beans: Because coffee beans will present different colors when roasted to different degrees, color has become the most commonly used basis for roasting depth. This method can be applied to most coffee beans, but some coffee beans are special. For example, the color of Kenya beans will be much darker than that of ordinary coffee beans.

2015-10-15
Can I have milk in my coffee? do you know anything about coffee?

Can I have milk in my coffee? do you know anything about coffee?

People always mix milk with coffee, because pure coffee is too bitter, it doesn't mean that all people like pure coffee, just as some people like sweet and some people like bitter, so can you add milk to drink coffee? this question has been raised by the public, whether milk can be added to coffee in the end, and if so, what is the effect? Coffee can be served with beef.

2015-11-02
The basic knowledge of coffee that beginners must learn.

The basic knowledge of coffee that beginners must learn.

Coffee beginners must learn coffee knowledge: put aside prejudices: 1) Coffee is not mysterious it is a drink, in fact, you can drink it as much as you like. As long as you think it tastes good, it is good coffee. Of course, some level of good taste needs to be cultivated.) It can make you feel happy, improve your work efficiency, and let you enjoy the fun of cooking and taste that moment.

2015-11-19
Standard of SCAA pecialty Coffee Fine Coffee Raw Bean

Standard of SCAA pecialty Coffee Fine Coffee Raw Bean

[SCAA "Specialty Coffee" standard for high-quality coffee raw beans] the raw bean defects of SCAA can be divided into two types: I and II. The requirement for premium coffee grade (specialty coffee) is: 1. There are no class I defects; 2. No more than 5 II class defects 3. There can be no "quaker" (0 quaker) Quick beans in cooked coffee beans. 4. The appearance of raw coffee beans

2015-01-08
The most commercialized blended Coffee can be mixed with individual Coffee

The most commercialized blended Coffee can be mixed with individual Coffee

Although each kind of beans has its own characteristics, what is special about espresso is that you can drink a lot of flavor beans in a cup of coffee, which is more fragrant than concentrated coffee. I like espresso very much, but Blue Mountain Coffee can also be mixed. If you like Blue Mountain Columby,

2016-06-28
Coffee knowledge teaches you to make coffee correctly

Coffee knowledge teaches you to make coffee correctly

Filter paper brewing filter paper brewing the easiest brewing method the simplest coffee brewing method. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. The focus of brewing coffee is similar to that of cloth bag brewing, choosing coffee beans that have been roasted for a long time.

2015-03-03
High-quality coffee common sense coffee brewing mode

High-quality coffee common sense coffee brewing mode

[characteristics] the simplest way to brew coffee. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. The focus of brewing coffee is similar to that of cloth bag brewing. Coffee beans that have been roasted for a long time are ground into powder and brewed in five minutes.

2014-12-09
Planting and cultivation of Coffee

Planting and cultivation of Coffee

1. Seed propagation (1) seed collection, seed washing and seed storage during the full ripening period of coffee (the full ripening period of medium-grain coffee in Hainan Island is from February to March, and that of small seed is from September to November). The fully ripe fruits are picked from strong and high-yielding mother trees to make seeds. After the fruit is harvested, immediately peel and wash the seeds, the method is to put the fruit on the hard and rough ground, use a brick to grind the peel, or you can use a peeling machine

2014-06-16
Italian coffee machine (Oscar) regular cleaning

Italian coffee machine (Oscar) regular cleaning

It has been more than a week since Oscar moved home from a single cup, and it is estimated that there are more than 20 cups, so he is going to clean it up this afternoon. The daily cleaning and maintenance of Italian coffee machine is mainly recoil and remove some parts for soaking. Recoil is a way to clean the waterway of coffee by using the pressure generated by the coffee machine and cleaning powder. Reverse

2014-08-28
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