“Substance” search results (1815)
What is caffeine? The basic knowledge of introduction to Coffee
What is caffeine? Caffeine is a substance found in the leaves, roots and fruits of 100 plants in nature. it is also a mixture of methylxanthine. Caffeine usually comes from coffee, dimethoate and tea. Caffeine is also used in energy drinks and drugs to treat colds and flu. Coffee and tea also contain other dimethylxanthine theophylline. Tea
2015-09-23 What caffeine coffee introduction basics common sense what is since
Why is it easier to stay awake when drinking coffee?
Many people have the experience of being too excited to sleep after drinking coffee, because there is a conductive substance called adenosine in the body, which can control nerve activity. produce slow breathing, reduced mood, reduced gastric acid secretion and diuretic effects. On the other hand, caffeine will fake adenosine, making the body think that the effect of adenosine has already taken place, making you feel energetic and increase stomach acid.
2014-06-14 Coffee and health caffeine can't sleep drink coffee
Coffee health knowledge why drinking coffee is easier not to sleep?
Many people have the experience of being too excited to sleep after drinking coffee, because there is a conductive substance called adenosine in the body, which can control nerve activity. produce slow breathing, reduced mood, reduced gastric acid secretion and diuretic effects. On the other hand, caffeine will fake adenosine, making the body think that the effect of adenosine has already taken place, making you feel energetic and increase stomach acid.
2015-08-14 Coffee health knowledge why easy not many people have drink coffee
Ripe fruit sweet bourbon varieties of Salvador coffee beans Introduction
Rodrigues believes that any non-natural growing substance will affect the quality of coffee, so they minimize the use of all chemicals when growing coffee. In addition, in order to ensure the quality of coffee, they only harvest ripe fruit, immediately carry out the treatment of green beans, control the most suitable washing fermentation time, and use the best way to treat washed or sun-dried green beans. few years
2016-06-17 fruit sweet bourbon species el coffee beans presentation rod reggae
What is coffee extraction?
In the process of thinking, I find that I still want to explain a concept first, which is very important and has a vital impact on a cup of coffee.
2014-06-11 Coffee knowledge Coffee extraction Coffee Encyclopedia
Why do coffee beans turn brown after roasting? Why is there an aroma?
Coffee beans are light green and turn brown when roasted. This baking characteristic brown mainly comes from the brown pigment produced by oligosaccharins, amino acids and chlorogenic acids. The so-called brown pigment does not refer to a color or ingredient, but a general term for the many ingredients that make coffee different colors. Raw beans gradually change color during baking because of the total amount of brown pigment
2016-08-24 Coffee beans through roasting why brown aroma coffee raw beans light green
The effect of drinking coffee on sleep coffee health
Many people have the experience of being too excited to sleep after drinking coffee. This is because there is a conductive substance called adenosine in the body, which controls neural activity and produces slow breathing, emotional weakness, reduced gastric acid secretion and diuretic effects. On the other hand, caffeine will fake adenosine, making the body think that the effect of adenosine has already taken place, making you feel energized, stomach acid increases,
2015-10-06 Coffee sleep effects health many people drink coffee spirit excitement
The structure of coffee beans what are coffee beans like
The structure of the berry from the outside to the inside is the pericarp: the pericarp of the berry is tight and thick, which can bite through the fruit: mainly water and sugar, the fruit of the berry accounts for almost 80% of the coffee harvest and is often reused by the fertilizer mucus of the coffee producing area: a sweet, sticky, honey-like substance that covers the skin of the coffee bean: a thin white sheepskin paper layer, similar to peanuts.
2016-06-12 Coffee beans structure how berries internal division don't peel can bite
The ingredients in coffee
1. Caffeine has a particularly bitter taste, stimulating the central nervous system, heart and respiratory system. Moderate caffeine can also reduce muscle fatigue and promote digestive secretion. Because it promotes kidney function, it has a diuretic effect and helps the body expel excess sodium ions from the body. Too much caffeine can lead to caffeine poisoning. 2. Tannin When boiled, tannins decompose into pyrolytic acid.
2014-07-16 Coffee knowledge Coffee ingredients Coffee encyclopedia
The ingredients of coffee.
Caffeine has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning. After the tannic acid is boiled
2016-05-27 Coffee efficacy ingredients name action caffeine special strong bitter taste
Coffee fermentation
Coffee fermentation is one of the most important steps in wet processing of coffee, which is related to the quality of coffee. Many people will ask what is the reason for fermentation? This problem is generally said to be for degumming; in fact, the mucus on the endocarp of coffee is an organic substance composed of sugar, enzyme, propectin and pectin, which can be dissolved by natural fermentation by bacteria and is easy to wash off.
2014-07-11 Coffee knowledge coffee fermentation coffee wet processing
Analysis of the aroma of coffee from a chemical point of view
Whether you are a coffee expert or an ordinary coffee lover, you will be attracted by the attractive aroma of that freshly ground coffee every morning. What you don't know is that this fragrance actually contains thousands of chemicals. To give you a better understanding of the chemical components of coffee aroma, we have drawn the following chart: in the face of such a complex chemical symbol, you may be
2015-08-25 Chemistry angle analysis coffee aroma
Basic knowledge of Coffee Why is it easier to stay awake when drinking coffee?
Many people have the experience of being too excited to sleep after drinking coffee, because there is a conductive substance called adenosine in the body, which can control nerve activity. produce slow breathing, reduced mood, reduced gastric acid secretion and diuretic effects. On the other hand, caffeine will fake adenosine, making the body think that the effect of adenosine has already taken place, making you feel energetic and increase stomach acid.
2015-06-26 Coffee basics common sense why easy not many people have drink coffee
Volatile compounds are the main source of coffee flavor.
★ volatile compounds: volatile compounds are the main source of coffee flavor, especially important for coffee quality. There are many kinds of volatile substances in coffee, and their existence will affect the aroma quality of coffee. Its main source is derived from non-volatile substances in raw beans which are disconnected or derived after reaction in the process of roasting. The role of thermal decomposition, other reactions, or compositions, such as sugar.
2015-09-23 Volatile substance coffee flavor main source volatile wind
There are several methods of coffee extraction time how to extract coffee from curling kettle.
. What if we interpret the example the other way around? At 4:4:2, deep baking, high temperature extraction, the emphasized sweetness was perfectly released, and even the ratio of acids did not exactly affect the interpretation of flavor; at 2:2:6, low-temperature brewing led to the complete release of bitterness and sweetness. there is no quintessence or a small amount of miscellaneous smell, but in terms of composition ratio, acids are better than
2016-10-19 Coffee extraction time method several curling kettle how
Coffee common sense Why instant coffee doesn't need to be brewed
It can be clearly seen from the production process of instant coffee that raw coffee beans are extracted in specific containers after puffing and crushing (but instant coffee is called extraction in this process) into concentrate, filtered, and then dried in two forms, which is why instant coffee is divided into hot-dried instant powder and freeze-dried instant powder. At present, the instant coffee in the domestic market is very large.
2015-01-14 Coffee common sense why instant no quick coffee production process can
Can I drink coffee with honey?
1, honey can make coffee to drink, the nutrients in honey are mainly vitamins and trace elements, its most important effect is to nourish the body, while coffee has a lot of caffeine, this substance is a reminder of the top grade, when both are drunk at the same time, nutrients will not be broken down, all more conducive to the absorption of the human body. 2. Honey can make coffee, because honey makes coffee
2016-06-07 Coffee yes honey together drink coffee medium nutrition
Coffee research caffeine is generally not poisoned.
Throughout human history, there are only a few cases of caffeine poisoning. If we consider that a large number of people around the world drink coffee and other drinks (cola, tea, etc.), then cases of coffee poisoning are extremely rare in the world medical literature. This substance is very safe for ordinary consumers. The dose that causes adult death is about 5-10 grams of caffeine, which is equivalent to more than 100 cups of coffee.
2014-10-31 Coffee knowledge caffeine coffee research poisoning
Coffee has over 800 aromas.
It can be sensed through the nose or by snorting back. Respirating occurs when coffee is present in the mouth or has been swallowed and the fragrant restorative substance wafts up the nasal passages. More than 800 aromas have been found in coffee, and more will be discovered as the accuracy of the analysis improves. Coffee smells bad.
2014-10-13 coffee knowledge fine coffee aroma coffee aroma
The main ingredients of encyclopedia coffee.
1. Caffeine has a particularly bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning. two。 After the tannic acid is boiled, the tannic acid will be decomposed into pyrouric acid.
2014-09-15 Coffee knowledge coffee ingredients coffee encyclopedia