What is the difference between decaf and ordinary coffee? decaf has flavor characteristics and is suitable for the population.

Some friends like the aroma of coffee, but can not enjoy it, because drinking coffee will bring adverse reactions such as palpitations, insomnia, stomachache and so on. So is bass coffee a better choice? What on earth is decaf? How low can his caffeine level be?

First of all, let's know what caffeine is.

Caffeine is a plant alkaloid and the most consumed central nervous system stimulant in the world. it can play a refreshing role and has important clinical uses in medicine. However, due to genetic differences, different people are concerned about caffeine. The absorption capacity is different from the degradation mode, so the reaction is not the same. Same as. At the same time, excessive intake of caffeine can also lead to adverse reactions. (no more than 400 milligrams of caffeine per person per day, about 4 cups of coffee)

So what kind of people need to reduce their caffeine intake?

What on earth is decaf?

In fact, decaf coffee is not 100% caffeine-free, but the caffeine content is relatively low. Low-caffeinated coffee (Decaffeinated Coffee, referred to as Decaf) is a kind of coffee made by extracting and removing caffeine from raw beans in advance before roasting. According to the requirements of the United States Department of Agriculture, the caffeine content in decaffeinated coffee beans should be reduced to less than 3% of the original caffeine content. For example, a 12-ounce cup of coffee might have contained 180 milligrams of caffeine, while decaf would have dropped to about 5.4 milligrams.

What technology can remove caffeine?

There are three common techniques for caffeine removal, namely, solvent treatment (which is divided into direct and indirect solvents), Swiss water treatment and carbon dioxide treatment. Caffeine can be removed by extraction from solvents, water and supercritical carbon dioxide. But in the process of processing, some other substances in coffee beans will also. Loss, thus affecting the flavor and color of the coffee.

It is worth noting that decaf does have a significant reduction in caffeine in terms of proportion, but that doesn't mean you can double your consumption without any scruples. Different varieties of coffee beans, different brewing methods and so on will affect the caffeine content. For example, robusta coffee beans contain more caffeine than Arabica coffee beans.