“Reaction” search results (1161)
Crema Analysis of Oil from Italian Coffee extracted and concentrated Espresso and observation of Color change
Crema (grease) I don't understand why we make Crema so much more complicated than itself. Crema is often seriously misdescribed, the most common of which is an emulsified oil. Well, I think it's fair to say that to a very small extent. As far as we know, the amount of oil obtained by Espresso in the extraction process is unique. In the process of Espresso extraction, the content of steam
2016-01-08 Italian Coffee extract concentrate Espresso Fat Crema
Coffee shop operation case sharing
A cafe where a student works (hereinafter referred to as A shop) is about to open a second shop, and the decoration is also in the final stage. After looking at the address of the new store, the first reaction was that it was very close to the original store, and it was only about 20 minutes' walk. Then I suddenly remembered that there was a cafe that had been open for almost two years (hereinafter referred to as "B") near there, and I was quite familiar with that owner.
2014-09-03 Coffee shop operation coffee shop sharing coffee shop management
Coffee bean roasting theory
Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world.
2014-08-26 Coffee knowledge roasting theory coffee bean roasting
The roasting stage of boutique coffee beans what coffee utensils should be prepared for roasting coffee beans
The second explosion stage: 18-20 minutes Teng 210-lower beans; after the first burst, the coffee beans will slowly mature and emit a charming aroma, and when the heat absorption reaches the second peak again, the coffee beans will have a second explosion, that is, the so-called second explosion, which will open up a space in the heart of the skin, and the carbon dioxide in the coffee beans will continue to be discharged, causing the internal temperature to rise continuously.
2016-06-16 Boutique coffee beans baking stage preparation what coffee utensils second explosion
Coffee has more than 800 flavors.
The aroma of coffee itself is the main reason for the overall flavor attributes, which are different from the perceived taste and sweet, salty, bitter and sour attributes.
2014-05-16 Coffee knowledge Coffee news Coffee aroma
Hourglass coffee machine
I have always thought that making coffee is a very emotional thing, but coffee machines are mostly large and a little complicated. The hourglass coffee machine in the picture is very creative, its biggest feature is: no electricity, use cold water! And because coffee beans are diffused in cold water, they are not astringent or sour, only mellow. As shown in the picture, first in the filter at the bottom of the hourglass
2014-07-28 Hourglass coffee machine coffee machine coffee utensils
Identification of Coffee
There are only two ways to identify coffee: (1) identification before brewing? Good instant caffeine is brown to dark brown due to different varieties and processes; irregular particles with a size of about 2 mm mixed with some fine powder; the unique aroma of coffee is reflected by Maillard reaction during stir-frying. ? The color of inferior instant coffee is dark, and some of them are iron black.
2014-08-07 Coffee identification coffee nothing but two methods brewing quality instant
Coffee makes people smarter?
Caffeine in coffee blocks the effects of the inhibitory neurotransmitter adenosine in the brain. By blocking this inhibitory effect, it can enhance the discharge of neurons in the brain, boost mood, shorten reaction time, and strengthen memory. In spite of this, do not drink too much coffee
2014-08-18 Coffee knowledge coffee encyclopedia coffee knowledge
Sugar makes people stupid. Coffee makes people live longer.
Drinking sugary soft drinks for up to six weeks can make you stupid because the sugar added to the soft drinks can impair memory and reaction, according to a study by the University of California, Los Angeles. But coffee seems to make people live longer. Men who drink two to three cups of coffee a day are 10% more likely to live longer than men who don't drink coffee, compared with 13% for women.
2014-08-29 Coffee knowledge coffee longevity coffee health
Coffee Creative Coffee Cup shaped sink
When you see the picture below, is the coffee cup your first reaction? Actually, it's a coffee cup sink. The coffee cup taken above the design has a unique appearance and novel design. Whether it's in a minimalist cafe or a coffee maker's home, it's interesting.
2014-09-12 Coffee knowledge coffee creativity coffee sink
Coffee knowledge there are more than 800 coffee flavors.
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. Because, it can be said that aroma is the most important product attribute of special coffee, 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 the whole.
2014-09-13 Coffee knowledge coffee aroma coffee taste
Coffee, healthy life, coffee makes people smarter?
Caffeine in coffee blocks the effects of the inhibitory neurotransmitter adenosine in the brain. By blocking this inhibitory effect, it can enhance the discharge of neurons in the brain, boost mood, shorten reaction time, and strengthen memory. In spite of this, do not drink too much coffee.
2014-10-24 Coffee knowledge coffee life coffee health
How to keep coffee powder fresh?
Coffee powder should be stored in a dry, cool place, remember not to refrigerate in the refrigerator, this will cause coffee powder moisture, the following is a good way to keep ground coffee powder fresh: 1, when the bagged coffee powder is opened, be sure to fold the opening and clamp it with a clip to avoid contact between coffee powder and air. Coffee powder will produce oxidation reaction after contact with air, affecting the original coffee powder.
2014-12-23 boutique coffee basics common sense coffee powder how to preservation should save
Creative cafe recommends container coffee bar to be unveiled in Nanjing
The container exudes the smell of industrialization, the fragrance is filled with leisurely brown coffee, but there is a wonderful chemical reaction between the two things that are not related to each other. A few days ago, at the junction of the Pearl River, a street coffee bar composed of three containers was unveiled. The coffee bar will be open until October, with resident singers every night.
2014-12-24 Creativity cafes recommendations containers coffee debut Nanjing distribution industrialization
Research suggests that coffee may just have a psychological effect?
Many people like to drink a cup of coffee in the morning in order to cheer up and start a busy day. Refreshing coffee in the morning may just be psychological, British researchers have found. The volunteers were randomly divided into two groups: the first group drank caffeinated coffee but learned that it contained no caffeine; the second group drank decaffeinated coffee but learned that it contained caffeine. Compared with before drinking coffee, the first
2015-06-24 Research coffee refreshing maybe just psychology function a lot like in the morning
Roasting principle of coffee beans
The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is far from it.
2014-08-15 Coffee knowledge coffee roasting roasting principle
Identification of genuine and fake coffee
Common adulterants in coffee are chicory root powder, roasted ground grains, etc., or processed with other bean-shaped seeds instead of coffee beans. The sensory coffee is brown and powdery. Due to the Maillard reaction during roasting, the coffee has a special aroma, and counterfeit coffee has no or
2014-08-07 True or false coffee identification here refers to coffee beans roasted ground after
Classify the smell of coffee by source
According to the source, the aromatization table can be divided into three groups: the first group: this kind of compound is the result of enzymatic reaction during the growth of coffee beans. The main components are ester and aldolase. This compound is the most volatile and is often found in the dry aroma of freshly ground coffee powder. The first group can be further subdivided into three types: floral flavor, fruit flavor and
2014-09-12 Coffee knowledge division of coffee coffee smell
Production of caramel
Caramel introduction: whether it is all kinds of coffee drinks, pudding cakes, or milk tea drinks, caramel is widely used. Previous blog posts have a lot of coffee or beverage production are also using caramel, interested can take a look. Caramel production: sugar or a concentrated solution of sugar heated to more than 100 ℃ will undergo caramelization and sugar decomposition; at the same time, accompanied by brown production
2014-09-11 Production of caramel
The freshness of coffee beans how to keep coffee powder fresh
Coffee powder should be stored in a dry, cool place, remember not to refrigerate in the refrigerator, this will cause coffee powder moisture, the following is the ground coffee powder fresh-keeping methods: 1, when the bagged coffee powder opened the package, be sure to fold the opening, and clamp with a clip to avoid coffee powder contact with the air, coffee powder will produce oxidation reaction, affecting the original coffee powder
2014-10-16 Coffee knowledge coffee beans freshness coffee powder