Life's Great Mysteries

[Hawkmoon]

Why is it that cola soft drinks have much higher and more persistent heads than other carbonated soft drinks, like ginger ale or Sprite?

[Brad Johnson]

Why is it that cola soft drinks have much higher and more persistent heads than other carbonated soft drinks, like ginger ale or Sprite?

Viagra?

Brad

[K Frame]

My guess?

The caramel coloring, or something similar, acts as a surfacant and that stabilizes the bubbles and makes them last longer.

[dogmush]

In beer (and brewed sodas) greater lace and head is a function of polypeptides contained in the malts used for flavoring. It causes a foam that last longer and holds together better.  Roughly: more malts results in more head.

I suspect something in the color or flavoring of colas contains similar polypeptides, and that enhances the foam.

[Fly320s]

Roughly: more malts results in more head.

I hope my wife likes malts.