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: ...

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 ...

Do certain coffee brewing methods extract more caffeine than others? We chat with a coffee brewing expert about caffeine content of each type. Whether it’s cold brew, espresso, or good ol’ pour over, ...

An average 8–ounce (oz) cup of coffee contains around 80–100 milligrams (mg) of caffeine. However, the caffeine content can vary considerably depending on several factors such as coffee type, brewing ...