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General knowledge of coffee roasting introduction to the oil yield and freshness of coffee beans

General knowledge of coffee roasting introduction to the oil yield and freshness of coffee beans

When we open a can of coffee beans, we sometimes see coffee beans wrapped in a thin layer of fat. It seems that the oil evenly distributed on the surface of coffee beans is actually not oil, but a water-soluble organic substance that looks like oil. Coffee oil itself contains a lot of coffee aroma ingredients, which can be dissolved in water, so the surface of your brewed coffee will not be covered with greasy.

2014-11-18
The taste of coffee is determined by roasting.

The taste of coffee is determined by roasting.

Generally speaking, each coffee cherry contains two raw beans, and the fragrance is still hidden, waiting to be discovered. In raw beans, it contains a lot of chloric acid. As the baking process, chloric acid will gradually disappear, releasing familiar and pleasant fruit acid-such as acetic acid, citric acid, malic acid in wine. Baking is just right, it can present these beautiful sour taste moderately; on the contrary,

2014-09-29
Roasting determines the light taste of coffee.

Roasting determines the light taste of coffee.

Generally speaking, each coffee cherry contains two raw beans, and the fragrance is still hidden, waiting to be discovered. In raw beans, it contains a lot of chloric acid. As the baking process, chloric acid will gradually disappear, releasing familiar and pleasant fruit acid-such as acetic acid, citric acid, malic acid in wine. Baking is just right, it can present these beautiful sour taste moderately; on the contrary,

2015-05-28
What can Crema of Espresso tell us?

What can Crema of Espresso tell us?

During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2015-01-05
What can Espresso's Crema tell us?

What can Espresso's Crema tell us?

During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2015-01-15
What can the Crema of Espresso learn from boutique coffee?

What can the Crema of Espresso learn from boutique coffee?

During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2014-10-25
What can the Crema of Espresso tell us about coffee basics?

What can the Crema of Espresso tell us about coffee basics?

During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2014-10-28
Coffee magic effect after drinking coffee exercise slimming method

Coffee magic effect after drinking coffee exercise slimming method

Coffee beans contain about 100 different substances, including caffeine, tannins, oils and nitrogen compounds, and each 100 grams of instant coffee contains 44 to 100 mg of caffeine; each 100 grams of brewed coffee contains 64 to 124 mg of caffeine. Coffee is a stimulant that has many effects on the human body. It can diuretic, stimulate the central nervous system and respiratory system, enlarge blood vessels, and accelerate the heartbeat.

2015-08-27
Coffee is innocent! Coffee is a fruit!

Coffee is innocent! Coffee is a fruit!

Although there are numerous caricatures and almost universally accepted legends suggesting that Eve ate a fruit from the Garden of Eden, the Bible does not say that Eve ate an apple. Genesis records that she ate of the fruit of the tree of good and evil. Why do people think Eve ate apples? One reason is that the Latin word for evil is malum, and the word for apple is malum. BC

2015-04-16
What can Espresso's Crema tell us?

What can Espresso's Crema tell us?

During the roasting process, a large amount of carbon dioxide will be produced in the coffee beans, most of which will be emitted during the cooling process, and a small amount will continue to be stored inside. These gases will be released when grinding the coffee powder, so it is necessary to make coffee as soon as possible after grinding. When hot water hits the coffee powder under high pressure, it emulsifies the insoluble fats of the coffee powder and at the same time, it dissolves in supersaturation.

2015-07-27
Coffee roasting technology based on roasting determines the taste of coffee

Coffee roasting technology based on roasting determines the taste of coffee

Generally speaking, each coffee cherry contains two raw beans, and the fragrance is still hidden, waiting to be discovered. In raw beans, it contains a lot of chloric acid. As the baking process, chloric acid will gradually disappear, releasing familiar and pleasant fruit acid-such as acetic acid, citric acid, malic acid in wine. Baking is just right, it can present these beautiful sour taste moderately; on the contrary,

2014-11-19
Roasting determines the taste of coffee basic knowledge of coffee beans

Roasting determines the taste of coffee basic knowledge of coffee beans

Generally speaking, each coffee cherry contains two raw beans, and the fragrance is still hidden, waiting to be discovered. In raw beans, it contains a lot of chloric acid. As the baking process, chloric acid will gradually disappear, releasing familiar and pleasant fruit acid-such as acetic acid, citric acid, malic acid in wine. Baking is just right, it can present these beautiful sour taste moderately; on the contrary,

2015-10-13
Drink coffee and try not to use coffee partners.

Drink coffee and try not to use coffee partners.

Coffee companions and even many instant drinks have plant fat powder in their ingredients, which is usually made of glucose syrup, hydrogenated vegetable oil and sodium caseinate, as well as food additives such as stabilizers, emulsifiers and anti-caking agents. Hydrogenated vegetable oils contain trans fatty acids, which have been found to increase blood viscosity, promote thrombosis and increase blood thrombosis.

2014-08-29
How to preserve coffee beans? Who is destroying the freshness of coffee? How to preserve coffee beans correctly?

How to preserve coffee beans? Who is destroying the freshness of coffee? How to preserve coffee beans correctly?

The culprit that destroys the freshness of coffee: oxidation: the first fruit of good coffee is easily oxidized after it is cut; similarly, coffee is easily oxidized after roasting. When coffee is roasted directly, it produces a large amount of carbon dioxide, which is hidden inside and outside the cell, forming a protective layer, isolating oxygen and slowing down oxidation; however, as the day goes by,

2016-04-05
Coffee is not guilty! Coffee is a kind of fruit!

Coffee is not guilty! Coffee is a kind of fruit!

Although there are a large number of cartoons and almost universally accepted legends that Eve ate a fruit from the Garden of Eden, the Bible does not say that Eve ate an apple. The record in Genesis is that she ate fruit from the tree of good and evil. Why do people think Eve eats apples? One reason is that in Latin, the word evil is malum, and the word apple is also malum. A.D.

2015-09-12
High-quality coffee to learn the storage of coffee beans

High-quality coffee to learn the storage of coffee beans

The ideal way to buy and make coffee is to buy a small amount of raw coffee beans, bake them yourself, and grind them before preparing them. Water is the enemy of storing coffee. Coffee oil is water-soluble, it makes coffee more flavor, moist environment will rot coffee oil. Do not store the coffee in the fresh layer of the refrigerator, because as soon as the refrigerator is opened, the moisture will condense on the surface of the container. If

2014-10-11
Coffee common sense drinking coffee try not to use coffee partners

Coffee common sense drinking coffee try not to use coffee partners

Coffee companions and even many instant drinks have plant fat powder in their ingredients, which is usually made of glucose syrup, hydrogenated vegetable oil and sodium caseinate, as well as food additives such as stabilizers, emulsifiers and anti-caking agents. Hydrogenated vegetable oils contain trans fatty acids, which have been found to increase blood viscosity, promote thrombosis and increase blood thrombosis.

2014-10-28
Try not to use coffee companions when drinking fine coffee.

Try not to use coffee companions when drinking fine coffee.

Coffee companions and even many instant drinks have plant fat powder in their ingredients, which is usually made of glucose syrup, hydrogenated vegetable oil and sodium caseinate, as well as food additives such as stabilizers, emulsifiers and anti-caking agents. Hydrogenated vegetable oils contain trans fatty acids, which have been found to increase blood viscosity, promote thrombosis and increase blood thrombosis.

2015-05-18
Drink coffee, black coffee, try not to use coffee companions.

Drink coffee, black coffee, try not to use coffee companions.

Coffee companions and even many instant drinks have plant fat powder in their ingredients, which is usually made of glucose syrup, hydrogenated vegetable oil and sodium caseinate, as well as food additives such as stabilizers, emulsifiers and anti-caking agents. Hydrogenated vegetable oils contain trans fatty acids, which have been found to increase blood viscosity, promote thrombosis and increase blood thrombosis.

2015-03-30
Water is the enemy of coffee storage. Coffee beans are preserved.

Water is the enemy of coffee storage. Coffee beans are preserved.

The ideal way to buy and make coffee is to buy a small amount of raw coffee beans, bake them yourself, and grind them before preparing them. Water is the enemy of storing coffee. Coffee oil is water-soluble, it makes coffee more flavor, moist environment will rot coffee oil. Do not store the coffee in the fresh layer of the refrigerator, because as soon as the refrigerator is opened, the moisture will condense on the surface of the container. If

2015-01-14
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