What is decaf coffee? what are its characteristics?

As early as the Stone Age, humans began to use caffeine. Early people discovered that chewing the seeds, bark or leaves of certain plants had the effect of reducing fatigue and refreshing. It wasn't until many years later that it was discovered that soaking these plants in hot water increased the effectiveness of caffeine. many

Cultures have myths about ancient people discovering these plants. Coffee containing trace amounts of caffeine. Coffee contains many ingredients and substances, among which caffeine has a significant impact on the human body. Decaf coffee is the best choice for many coffee drinkers who are not physically fit to consume caffeine. Decaf coffee is roasted in the same way as regular coffee, but requires special decaffeination treatments. At present, there are two main ways to remove caffeine.

Swiss water treatment is a low-cause treatment method that does not use any chemical solvents at all. The impact on the environment and human health is minimal. In addition, this treatment method has a special flavor saturated water Flavor-charged Water production process is the biggest difference from chemical solvent treatment method. In theory, Swiss water treatment produces decaf beans with very low flavor loss. Although we know how much, there are still manifestations that affect aroma and viscosity. But in the long run, this is the best example of environmental protection.

There is also a special decaffeination process, which uses carbon dioxide supercritical extraction of caffeine. In theory, this approach should preserve flavor better than all other low-factor treatments. It is understood that before extracting caffeine, it is necessary to use a high temperature and high pressure steam environment to open the pores on the surface of raw beans to successfully bring out caffeine. So there's also the possibility of flavor loss, just how much we'll have to drink to know. At present, it is difficult to see traces of coffee beans treated with supercritical carbon dioxide in China. Recently, it is said that companies with patents for this technology have begun to expand outward. The chances of seeing such low-caffeine beans in the future may increase greatly.

Generally speaking, Arabica coffee beans contain 1.1% to 1.7% caffeine, while Robusta coffee beans contain 2% to 4.5% caffeine. Caffeine. Decaf coffee is regulated to contain no more than 0.3% caffeine in brewed coffee. That means no more than 5 milligrams of caffeine in a cup of decaf coffee.

Decaf coffee beans are more susceptible to oxidation because they undergo more processing than normal coffee beans. When buying decaf coffee beans, be sure to recognize the expiration date, do not buy expired products, and do not buy too much at once, it is best to buy only one week's amount; use up as soon as possible after unpacking. ? Caffeine is an alkaloid, hot cocoa, energy drinks after exercise, cola, coffee tea and other natural drinks, will contain a certain amount of caffeine. Even in nature, most plants contain this substance. Caffeine has the effect of stimulating the central nervous system and temporarily restoring some physical strength.

Caffeine is a central nervous system stimulant and a metabolic stimulant. Caffeine is used both as a drink and as a medicine to refresh and relieve fatigue. The exact amount of caffeine needed to produce an effect varies from person to person, depending on body type and caffeine tolerance. Caffeine begins to work in the body in less than an hour, and for a moderate dose of caffeine, the effects disappear in 3 to 4 hours. Caffeine consumption does not reduce the amount of sleep required; it only temporarily reduces the feeling of drowsiness. Because of these effects, caffeine is a performance enhancer: it boosts brain and body abilities. Caffeine is safe for humans, but it is toxic to some animals, such as dogs, horses and parrots, because their livers are much less able to break down caffeine than humans. Caffeine has a significant effect on spiders, far more than any other drug, so here's a tip: don't give your dog your coffee.

In general, Arabica beans are low in caffeine, with 1.1% to 1.7% caffeine, while Robusta beans contain 2% to 4.5% caffeine. Decaf coffee is regulated to contain no more than 0.3% caffeine in brewed coffee. That means a cup of decaf coffee contains no more than 5 milligrams of caffeine to be called decaf coffee, or decaf coffee.