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Coffee Knowledge

Latest articles, industry insights and brewing guides

Roasting coffee beans with technology-modified ruts

Roasting coffee beans with technology-modified ruts

Although coffee drinking and growing methods developed dramatically in the seventeenth and eighteenth centuries, progress in roasting was very poor. The most common method of roasting at the time was to follow the Middle Eastern method of simple roasting: placing green coffee beans in an iron pan, then moving to a fire and roasting, stirring until the coffee beans were evenly mixed.

The roasting ceremony changes from brown to black: a new way of drinking coffee

The roasting ceremony changes from brown to black: a new way of drinking coffee

Early baking in the Arab region is a simple program, although we do not have enough historical data to reproduce this baking program, but it should be roughly similar to the baking program still used in the Arab region today. Another European historian, William Pargrave (Uilliam Palgrave), wrote the Arab Journey to the Middle East in 1863 (temporary translation)

Evolution from spoon to airflow baking appliance

Evolution from spoon to airflow baking appliance

When humans discovered that coffee seeds had a special and fascinating flavor, it was the beginning of coffee history. This time coffee beans have gone from being used only as medicinal herbs in East Africa and southern Arabia to becoming one of the most popular drinks in the world and the second most traded economic goods in the world today. Some skeptics believe coffee beans are made

The dramatic evolution of the stages of coffee roasting

The dramatic evolution of the stages of coffee roasting

What I just mentioned is something that happens inside the coffee beans, so what will happen in the appearance? A few minutes before the coffee beans are heated in the baking room, we don't see much change in appearance, when the coffee beans are still grayish green and there is no sound. After a while, the appearance of coffee beans will gradually turn yellow and emit similar colors.

Coffee baking at home can bake coffee beans as long as you can read

Coffee baking at home can bake coffee beans as long as you can read

So much has been said before, in fact, to sum up, it is a simple concept: you can do it, too! Even if you may not be able to find a job in a professional coffee baking test (because the professional roasting test must also take into account the factors of accuracy, stability and quality). But as long as you can understand what is written in this book, you will be able to create good things at home.

Reasons for roasting coffee beans by roasting yourself

Reasons for roasting coffee beans by roasting yourself

So for those of us who didn't smell the aroma of roasted coffee beans when we were young, or those of us who lived in newly developed areas of the western United States and remembered only Pepsi and Maxwell instant coffee, what's the reason to bake coffee beans at home? Baking your own coffee beans is a simple thing, but it is also a forgotten art. Then why are we still here?

A brief introduction to the Coffee Baking Book

A brief introduction to the Coffee Baking Book "the complete Book of Coffee roasting"

When the author published the first edition of this book in 1996, roasting coffee beans at home was something that only tireless coffee addicts would do. At that time, roasting coffee beans was a very difficult thing to master, and roasters had to work hard to find a way to roast coffee beans to a moderate brown. Today, individuals still roast coffee beans at home.

Why roast coffee beans in the basics of coffee?

Why roast coffee beans in the basics of coffee?

The raw coffee beans for export are not the dark brown beans we often see in cafes with a luster of vegetable oil and a burst of coffee-scented beans. Coffee beans can only be roasted to become coffee beans for grinding and drinking. Of course, this is just a strange modern way, because in the early days, Ethiopians used the fruits of coffee to make wine.

Boutique coffee baking household oven baking coffee beans

Boutique coffee baking household oven baking coffee beans

Before baking, pick out the residual beans (insect beans, fermented beans, shell beans, etc.).) Heat the upper and lower tubes of the oven, preheat 150℃, put the raw beans in the selection cage, put them in the oven, change to the upper tube heating, rotate mode, 150℃, bake for 10 minutes, raise the temperature to 230℃, bake for about 25 minutes (depending on the individual's need for baking, you can adjust the time flexibly) to remove the cage.

What is Espresso? Basic knowledge of espresso

What is Espresso? Basic knowledge of espresso

Medium-style baking when we bake deeper and more sugar begins to be carbonized or cut off, it is called medium-style baking. Espresso with this baking degree is usually popular in Florida. This kind of formula produces slightly darker beans, which tend to taste bitter. But the baking degree is not deep enough to wipe out all the flavor characteristics of the region.

Preservation of Coffee beans basic knowledge of Fine Coffee

Preservation of Coffee beans basic knowledge of Fine Coffee

After roasting, the internal chemical changes of coffee beans will continue. After roasting, there is only aroma at first, and the taste will be sour. After 4 or 12 hours, the sour taste will be gradually removed, and at this time the taste will become full, and it should be said that it is suitable for the entrance. However, within 3 to 7 days is the peak of the best flavor, the taste is mellow and rich, when the golden period of seven days, the bitterness will be more

Novice coffee beginners know how to taste and understand the true flavor of a cup of coffee

Novice coffee beginners know how to taste and understand the true flavor of a cup of coffee

In the process of promoting boutique coffee, friends often ask me how to understand where to start coffee, how to taste and understand the real flavor of a cup of coffee and the difference between coffee from different places. Now I will summarize some of my experience and share with you. First of all, we have to bid farewell to a few misunderstandings that coffee is bitter, coffee is very expensive, coffee tastes the same, making coffee by yourself is tedious and troublesome.

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.

Coffee beans and coffee beans

Coffee beans and coffee beans

Coffee beans (Coffee Bean) varieties can be divided into three types, namely Arabica (Arabica) -coffee contains about 1% of caffeine by weight, generally speaking, the better quality, more expensive coffee beans, are from Arabica (Arabica) coffee beans. It accounts for three-quarters of the world's production and is of excellent quality because the coffee tree itself is resistant to heat and humidity.

Study on the Grinding coarseness of Coffee beans

Study on the Grinding coarseness of Coffee beans

Freshness is the first element of good coffee, and the second important task is to master the roughness and fineness of coffee beans, which directly affects the extraction effect, that is, the quality and intensity of coffee flavor. In principle, the finer the coffee powder, the longer the brewing time, the stronger the coffee flavor; on the other hand, the thicker the coffee powder, the shorter the brewing time, the lighter the taste. The longer the extraction time, the thicker the beans will be ground so as not to cause excessive extraction.

Preservation of Coffee beans basic knowledge of Fine Coffee

Preservation of Coffee beans basic knowledge of Fine Coffee

It's not cool to have a cup of delicious coffee. But you must know how to select and save coffee. Improper preservation methods will affect the taste and flavor of coffee. (1) three major factors affecting coffee beans: degree / degree / daylight (2) the best tasting period of coffee: coffee beans are four cups and coffee powder is one gram. (3) the shelf life of coffee beans in vacuum packaging: vacuum can about 2.

Classification of coffee beans Coffee beans are classified according to taste.

Classification of coffee beans Coffee beans are classified according to taste.

The so-called taste characteristics refers to the personality of all kinds of coffee beans in the style of the coffee beans after being roasted most appropriately. Taste classification of coffee beans: sour mocha, Hawaiian sour coffee, Mexico, Guatemala, Costa rica highland, Gilimanjaro, Colombia, Zimbabwe, El Salvador, Western Hemisphere washing advanced new