Rogers-based Onyx Coffee Lab introduces Circadian coffee with five caffeine levels

Rogers-based Onyx Coffee Lab is releasing a coffee system that offers java lovers five levels of caffeine, the company said ...

Onyx Coffee Lab Launches the New Year with Circadian, a First-of-Its-Kind Coffee System

Today, Onyx Coffee Lab unveiled Circadian, a first-of-its-kind coffee system featuring five caffeine levels. The collection ...
C&EN

Caffeine Source: A Bean, A Leaf, Or A Lab

Is your caffeinated buzz from a natural or artificial source? Researchers in Germany have now developed an easy way to determine whether drinks contain natural or synthetic caffeine (Anal. Chem., DOI: ...
Purdue University

How Much Caffeine is in Your Beverage?

In this lab, students will determine the amount of caffeine in a beverage. Students will determine the retention time of pure caffeine. From this information, students will be able to identify the ...