Coffee Knowledge
Latest articles, industry insights and brewing guides
Common basic principles for the selection and evaluation of household roasters
For a person who is new to roasting coffee at home, he often feels confused about the choice of a close comrade-in-arms (roaster) at the beginning, because he has already had a headache for the vast sea of machines, and he has to identify the hot air, direct fire, machine change and price in various types of machines. The total factors, such as these complex comparisons, are people who really want to start their own baking career.
Coffee knowledge fresh coffee bean cross section
Cross section of fresh coffee beans
Grinding knowledge of espresso Espresso coffee beans
In the Middle East, people still use the method of mashing beans into particles of different sizes, but when most people have gradually used bean grinders, Bella-Shavalin personally did an experiment on whether it is better to mash or grind. For the sake of public trust, and at the same time invited gourmet spectators to taste the two kinds of coffee, in the end, everyone thought that the mashed coffee powder was better than the ground coffee.
How to preserve coffee beans after roasting?
Roasted coffee beans are easily exposed to oxygen in the air to produce oxidation, which deteriorates the oil quality, volatilizes and disappears aroma, and then accelerates deterioration through temperature, humidity, sunshine and so on. Especially after multi-layer treatment of low-caffeine coffee beans, oxidation is carried out faster. Therefore, in order to maintain the aroma and quality of coffee, how to package and preserve coffee beans has become one.
Why do you want freshly ground coffee before brewing?
When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing.
Common types and main brands of roasters at present
(1) Common roaster types 1. The hot air type bean dryer uses the blower to absorb the air, and then let the air raise its temperature through a heating coil, and use the hot air as the heating source to bake the coffee beans. hot air can not only provide the temperature needed for baking. you can also use the power of air to stir coffee beans and kill two birds with one stone. Advantages: high thermal efficiency, fast heating, raw beans
Comparison between single Coffee and fancy Coffee
Many people misunderstand that coffee flowers don't taste good. It takes a long time to say it takes a long time (it's not called pulling flowers, it's called drawing! (I think LATTE ART is the beautiful pattern caused by shaking the hands when pouring milk, because the Chinese word for Laihua means latte art! Art can be painted, but coffee flower drawing is not just art, it is technology! So
Coffee roasting knowledge Coffee hand net roasting principle
Do-it-yourself, the biggest advantage of roasting coffee beans with a hand net is low cost, fresh, even if it is not guaranteed to be very uniform. In addition, the firepower can be adjusted freely to facilitate the observation of bean color changes, which is also one of the reasons why coffee lovers are keen on this method.
The principle of making various utensils for brewing coffee
There are many ways to make coffee, we focus on the brewing methods:
Espresso is a way to use technology to make coffee.
In Italy, Espresso has a close relationship with local people, and it has become a habit of life for people to drink Espresso in cafes.
Knowledge explanation of Jamaica Blue Mountain Coffee
Overview of Blue Mountain Coffee the Jamaican government gives a very strict definition of Blue Mountain coffee: it must be grown in the Blue Mountain area designated by the Jamaican Coffee Authority (The Coffee Industry Board), processed by a government-authorized processing plant and certified by the government. Among them, for more than a dozen areas that are designated as very specific areas in the Blue Mountains of Jamaica, the government has designated
Coffee shop selection of coffee beans!
With the opening of domestic cafes, the selection of coffee beans is generally a headache, and the domestic roasters are uneven, each emphasizing how good their beans are, in fact, there are very few coffee manufacturers with real quality. There are also many people who are hesitant about choosing domestic roasted coffee beans and foreign coffee beans. Here are some suggestions and references. Coffee beans are coffee.
10 steps to detect boutique coffee beans
Test coffee 10 step 1. Prepare a little (about 10 grams) freshly roasted and immediately ground coffee in a small cup. two。 Smell it and see its dry fragrance. 3. Pour in hot water of about 95 degrees Celsius, do not boil, immediately pour in, leave for about half a minute, wait for the temperature to drop slightly, then pour into the coffee powder. 4. Take a closer look at the aroma coming from the rising steam. 5. Put this cup of sample
The bitterness and mellowness of coffee.
The color, aroma and taste of coffee are caused by some complex chemical changes that take place during the baking process. Therefore, raw beans must go through appropriate chemical procedures to achieve the most balanced state of its essential ingredients in order to be regarded as the best baked beans. The aroma of coffee varies with the heat, so the baking time should be shortened as much as possible, and the heat can be controlled at the level of coffee beans.
Discuss coffee bean oil and coffee bean freshness
Oily coffee beans and freshness What is the relationship between "oily" coffee beans and freshness? Should we buy coffee beans with oil or without oil? Have you ever seen coffee beans that look oily? Why do some coffee beans have an oily surface, while others are "dry and comfortable" and not greasy? What is the relationship between coffee beans and freshness? We should choose the appearance of "have
About the purchase and preservation of coffee beans
First of all, choose to buy coffee with a brisk business. The freshness of roasted beans is the life of coffee, so choose a warehouse for fresh coffee beans, a clean place with no oil residue from old beans and shops with no direct sunlight and no high temperature around. It is also a good way to buy in a self-baking store that you think is fragrant and mellow. When buying baked beans, refreshing beans can be specified by yourself. I hope
Many factors affect coffee taste.
The following factors affect the biological composition of coffee: Origin (latitude, altitude, microclimate, seedling cultivation) Plant type (Arabica, Robersta) Degree of maturity and consistency of coffee beans The method of processing green beans The method of storage of green beans The method and degree of storage of roasted coffee beans The technology of storage of coffee grinds and coffee powders The type of coffee machine
Coffee knowledge six brands of coffee beans
Lavazza: Italian sales number one, solid Body so that anyone in contact with her, can not help but fall in love with her, and lively taste and flavor in the continuous brewing, even if it is completely cold Espresso, also let you never give up. Bristot: one of the three major Italian coffee brands with a long history, insisting on roasting raw beans after customers place an order, emphasizing coffee roasting
Classification of high-quality coffee beans in coffee knowledge
● 's key to distinguishing coffee beans has recently been the increase in the number of unroasted raw coffee bean stores across the country in response to the gourmet needs of customers. In the store, you can personally choose what you like from the raw coffee on display, and some stores can also bake it for you on the spot. In this way, you can taste the fried and fragrant coffee at home. Here, for all of you
Coffee knowledge Fine coffee beans roasting processing
Roasted coffee beans peeled: the use of mechanical methods to remove the peel and most of the pulp fermentation drying Roasting: coffee beans through roasting, can release the special aroma of coffee, each coffee bean contains its aroma, sour, sweet, bitter, how to fully release depends on its roasting temperature, from the tasteless raw beans, to the cup of endless flavor