How is fruit flavor “essence” captured? If soda water is unsweetened and zero-calorie, how is the flavor added?

Question

How is fruit flavor “essence” captured? If soda water is unsweetened and zero-calorie, how is the flavor added?

In: Chemistry

Answer 1

In addition to what the top comment said, if a food has fewer than 5 calories per serving, it can be labeled as 0 calories. I’m guessing many of those flavored waters do have trace calories per serving from the flavor added.