In the United States federal regulations require that in order to label coffee beans as “decaffeinated” that coffee must have had its caffeine level reduced by no less than . percent..Coffee is a brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant. The genus Coffea is native to tropical Africa specifi.y having its origin in Ethiopia and Sudan and Madagascar, the Comoros, Mauritius, and Reunion in the Indian Ocean..Caffeine is a central nervous system CNS stimulant of the methylxanthine cl It is the world’s most widely consumed psychoactive drug.Unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world..Caffeine How Much is too Much? By Dr. Ruth Ketron . Caffeine Alkaloid Odorless slightly bitter .
An average cup of coffee contains mg of caffeine, but some types contain over mg. This article lists the caffeine content in different coffee types..The side effects of too much caffeine can be subtle. Here’s how your coffee addiction may be hurting your health..