If you hold an ultraviolet light (or a black light) over a bottle of tonic water, this ingredient makes it fluoresce. The FDA limits the contents of this ingredient in tonic water to 83 ppm (parts per million).
If you have a fun or interesting food or drink related trivia question that you'd like me to feature, send me an email with the words "Food and Drink Quiz Friday" in the subject line to girlichef@yahoo.com!
Answer to Food & Drink Quiz Friday #5: Almonds!
