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Coffee Knowledge

Latest articles, industry insights and brewing guides

The basic chemical reaction of coffee knowledge during coffee roasting.

The basic chemical reaction of coffee knowledge during coffee roasting.

Many thermal and chemical reactions take place during baking: decarbonation, dehydration of quinic acid, subdivision, isomerization, polymerization, and complex sugar reactions (caramelization). The main components of the thermal reaction are monosaccharides and sucrose, chlorogenic acid, free amino acids, and fenugreek amide. Both aravinose and calactose in the polysaccharides are transferred, and the basic vulcanization process includes hydroxylamine.

Basic knowledge of boutique coffee five commonly used coffee sugars

Basic knowledge of boutique coffee five commonly used coffee sugars

The same cup of black coffee with different sugars will have a very different flavor. Among them, white sugar, square sugar, white granulated sugar, rock sugar and yellow sugar are the most common types. Cotton white sugar: no impurities, pure taste, low sweetness, easy to dissolve. Square sugar: made from cotton white sugar, the dissolution efficiency is slightly lower than cotton white sugar, but the texture is strong, suitable for blending flavor. Granulated sugar: not easy to dissolve, warm

Fine coffee beans grown at altitude on coffee

Fine coffee beans grown at altitude on coffee

As the birthplace of tea culture in China, the idea of good tea from high mountains is deeply rooted in people's hearts. Therefore, if it is mentioned that good coffee comes from high mountains, there should be many people who agree. In fact, many low-altitude areas can also produce top-quality coffee. Under the premise that the four elements of temperature, rainfall, terrain and soil are complete, coffee trees especially like the microclimate characteristics of frequent fog and large temperature difference between day and night.

Fine Coffee Common sense interpretation of Fine Coffee

Fine Coffee Common sense interpretation of Fine Coffee

Boutique coffee (Specialty Coffee), which is also called specialty coffee and refined coffee by some people, was first proposed by Ms. Erna Knustsen in 1974 in the monthly Journal of Tea and Coffee (Tea Coffee Trade Journal). It developed gradually in the middle and late 1980s. American boutique coffee established in 1982, 1987 and 1998 respectively

Fancy coffee the difference between cappuccino and latte

Fancy coffee the difference between cappuccino and latte

Recently, at least five students in the class asked me the same question at the same time: what is the difference between a Cappuccino and a Latte? Today, I will thoroughly analyze this problem with you. First of all, I would like to correct a problem: Latte. The word Latte is in Italian and literally translates to mean milk. So latte is not the same as coffee.

The wonderful use of high-quality coffee life coffee grounds

The wonderful use of high-quality coffee life coffee grounds

Coffee drinkers often have to face a lot of dregs left after brewing coffee, so it's a pity to dump it. A recent article published by the Coffee knowledge Network in the United States advises everyone to reuse their resources so that coffee grounds can become a good helper in life. Coffee grounds mainly have the following functions: plant nourishment. Because coffee grounds contain the nutrients that plants need to grow, pour it into a flowerpot.

Boutique coffee training pot with ice drop coffee

Boutique coffee training pot with ice drop coffee

Ice drop coffee originated in Europe, because the coffee distiller was invented by the Dutch, so some people call it espresso or water drop coffee. Condensation natural osmotic water pressure, up to more than 8 hours, bit by bit extraction. The taste of coffee will change with the degree of coffee roasting, water volume, water temperature, droplet speed, coffee grinding fineness and other factors. Ice drop coffee

Effects of various substances in water on coffee brewing conditions

Effects of various substances in water on coffee brewing conditions

Choosing the right water can make coffee completely release its unique flavor, and every chemical in the water may react with coffee beans, thus affecting its taste and flavor. understanding the possible effects of some common chemicals in water on the taste of coffee is helpful for us to choose the right water. Too much magnesium will make the coffee look lighter. Lead

General knowledge of boutique coffee how to taste the good taste of Turkish coffee

General knowledge of boutique coffee how to taste the good taste of Turkish coffee

After learning to make Turkish coffee, we also need to learn to drink Turkish coffee to better taste the exotic flavor. Preparing cold water to gargle Turkish coffee is a kind of coffee with unusually thick and mellow taste, because it generally uses deep-roasted coffee beans and has not been filtered, so it is very mellow and tastes like chocolate, mixed with a little.

Coffee training knowledge chapter on the picking of coffee trees

Coffee training knowledge chapter on the picking of coffee trees

Coffee trees usually blossom in 3-4 years, about 2-3 months a year, and their appearance and smell are similar to those of jasmine. when they bloom, they grow in clusters on the branches and bloom for 3-5 days. After the flowers bloom, they bear small green fruits, which ripen and turn red into ripe fruits that can be picked after a few months. The skin of ripe fruit is red. Because its shape and color are similar to cherries, ripe coffee fruit is called coffee cherry in many places.

Basic knowledge of Fine Coffee Analysis of Acid components in Coffee

Basic knowledge of Fine Coffee Analysis of Acid components in Coffee

The acidity of coffee is usually considered to be related to the quality of coffee. Acidity is typical of high-value coffee in Central America and East Africa. Excessive sour taste is considered to be the disadvantage of coffee. Acidity is related to growing at very high altitudes and mineral-rich volcanic soils. The acidity of washed beans is higher than that of sun-dried beans. For example, the concentration of sun-dried beans is heavier than that of washed beans, because the concentration obscures the acid of coffee.

Fancy Coffee training knowledge Herbalife Coffee

Fancy Coffee training knowledge Herbalife Coffee

Herbalife poured thick whipped cream on the Espresso, a more retro espresso, much like the aristocracy of tsarist Russia or the Austrian royal family, probably because whipped cream was relatively rare at that time. The fresh white cream floats gently on the deep coffee, just like a white lotus flower that comes out of the mud and is not dyed. Regular coffee

The color of espresso crema tells us the knowledge of extraction.

The color of espresso crema tells us the knowledge of extraction.

The color of crema should be light reddish brown, but what does yellow-white or very black almost charred brown mean? The answer comes from drinks, because crema is actually carbon dioxide bubbles wrapped in brewed coffee, so the darker the foam means the stronger the coffee becomes a natural assumption. But in fact, it is very difficult to distinguish the color of coffee.

Iced coffee in summer. Ice drop coffee made in eight hours.

Iced coffee in summer. Ice drop coffee made in eight hours.

Coffee shops are generally limited in supply, because each time the production time is more than eight hours, ice drop coffee originated in Europe, because the coffee distiller was invented by the Dutch, so some people call it DUTCHCOFFEE, espresso or water drop coffee. Condensation natural osmotic water pressure, up to more than 8 hours, bit by bit extraction. The taste of coffee will vary with the degree of coffee roasting.

The rule of tasting fine coffee must be

The rule of tasting fine coffee must be "drink while it is hot".

Tasting hot coffee is the worst way to taste coffee. Only when the coffee cools slightly can you realize its hidden characteristics and delicacy, but the coffee will lose its mellow and rich flavor with the passage of time, so it is best to drink it within 10 minutes after brewing. Tasting coffee is not only to feel it with the taste of the tongue, but also to enjoy the aromatic mellow in the mouth.

Basic knowledge of boutique coffee the mellow and bitter taste of coffee

Basic knowledge of boutique coffee the mellow and bitter taste of coffee

The color, aroma and taste of coffee are caused by some complex chemical changes that take place during the baking process. Generally speaking, we use strong alcohol to show the round, mellow and strong taste of coffee. So raw coffee beans must go through a proper chemical process to achieve the most balanced state of its essential ingredients in order to be regarded as the best baked beans. The aroma of coffee will follow the heat.

Analysis of acid components in boutique coffee knowledge coffee

Analysis of acid components in boutique coffee knowledge coffee

The acidity of coffee is usually considered to be related to the quality of coffee. Acidity is typical of high-value coffee in Central America and East Africa. Excessive sour taste is considered to be the disadvantage of coffee. Acidity is related to growing at very high altitudes and mineral-rich volcanic soils. The acidity of washed beans is higher than that of sun-dried beans. For example, the concentration of sun-dried beans is heavier than that of washed beans, because the concentration obscures the acid of coffee.

Coffee cup test knowledge the aroma of coffee has exceeded 800 kinds.

Coffee cup test knowledge the aroma of coffee has exceeded 800 kinds.

The aroma of coffee itself is the main reason for the overall flavor properties, which is different from the perceived taste and sweetness, saltiness, bitterness and sour taste. Aroma is the most important product attribute of special coffee, and even instant coffee aroma substances can stimulate our taste buds. The difference is that instant coffee lacks the most important aromatic volatile components, which also leads to a decrease in the overall flavor.