What’s in Your Coffee?
Coffee is prepared by steeping roasted ground coffee beans in hot water, and then removing the grounds. Caffeine, a naturally occurring stimulant found in coffee, can be removed from the coffee bean by a variety of methods. Benzene was originally used to extract caffeine from coffee in the early 1900s, but its toxicity resulted in […]
Set Free the Radicals!
Free radicals are unpaired electrons found on molecules, and can be the result of incomplete chemical reaction, radiation exposure, oxidation, or mechanical stress. Normally, free radicals are highly reactive and immediately react with other free radicals, oxygen, or other available chemical species. In some materials, however, free radicals can be temporarily stable, sometimes for years, […]