How is Decaf coffee made?
by
Caffeine contained in coffee shows awakening action and antipyretic analgesic action, etc., and is useful when you wake up. On the other hand in order to take too much caffeine can cause symptoms of insomnia and addiction, in the recent years, also appeared people to be careful not to ingest caffeine, does not contain caffeine, while a coffee decaffeinated coffee is a popular I'm collecting. The secret of how decaffeinated coffee is made without caffeine while preserving the taste of coffee is said to be the link between the history of the science media and Live Science.
How Is Decaf Coffee Made?
https://www.livescience.com/65278-how-decaf-coffee-is-made.html
Caffeine is believed to have been extracted for the first time in 1819, and it was the German chemist Friedlep Ferdinand Runge who succeeded in extraction. According to one theory, it is said that it was Johan Wolfgang von Goethe , author of Faust , who recommended Runge to try extracting caffeine.
The world's first commercially successful caffeine removal method was discovered in 1905 by German coffeemaker Ludwig Roselius. According to Mr. Roselius, when receiving coffee beans that had been used in seawater during transport, they confirmed how the coffee beans used in seawater changed without being thrown away. .
After confirming the ingredients and taste, Mr. Roselius noticed that while the caffeine normally contained in the coffee beans used in seawater was missing caffeine, the taste of the coffee itself felt salty and there was no significant change. Therefore, Roselius, who thought that 'it would be possible to produce coffee beans depleting only caffeine while maintaining the taste of coffee,' used benzene , a chemical substance used at the time for paint stripping, etc. We found that caffeine can be removed from coffee beans before roasting.
by
Eventually, Kaffee HAG, owned by Mr. Roselius, started selling Decaf Instant Coffee for the first time in the world and distributed it under the name ' Sanka ' in the mid-20th century America. As the benzene is known to be carcinogenic at the time of writing, decaffe manufacturers that use chemical solvents have switched to chemical solvents such as dichloromethane .
There are other ways to remove caffeine from pre-roasted coffee beans. Kurt Zosel , a German chemist and researcher at the Max Planck Institute for Coal Chemistry, said that supercritical carbon dioxide under high temperature and pressure is useful for separating various chemicals. I discovered that This method of separating caffeine using supercritical carbon dioxide is widely used, and the separated caffeine seems to be added to energy drinks and soda.
In the 1970s, the caffeine extraction method of the Swiss-style water extraction method came into commercial use. In this Swiss water extraction method, coffee beans before roasting are soaked in water, and water soluble ingredients such as chlorogenic acid, amino acids, sucrose, and caffeine contained in the coffee beans are dissolved in water. It is possible to extract only caffeine from the coffee beans by re-hydrating the 'green coffee bean extract', which is caffeine-removed from the water saturated with this coffee extract, back to coffee beans by rehydration treatment. .
by
Decaf coffee is gaining popularity in recent years, but except for large companies that do decaf processing at their own plants, most manufacturers contract with specialized companies that do decaf processing or decaf coffee from another company That they have stocked In addition, de-cafe coffee is not completely caffeine-free, and 'a normal cup of coffee contains 80 to 100 mg of caffeine, whereas decaffe coffee contains 2 to 15 mg of caffeine. 'The US Food and Drug Administration (FDA) explains.'
by samer daboul
Related Posts:
