CHEMISTRY

CAFFEINE CHEMISTRY

The ketone group in Caffeine is the functional group that yields both its  lipophilic and hydrophilic properties. These characteristics allow this  organic molecule to surpass the blood-brain barrier and enter the brain,  where it passes through interstitial fluid and binds to adenosine  receptors, blocking hormones such as melatonin from eliciting their effects on the body. This is essentially the reason that caffeine keeps you awake, alert, and energetic throughout the day.