Beer Foam (Part 3: Foam Positive Elements)

DSCN2673Now that we have an idea about what foam is and how it forms in general, let’s look at some of the specifics of beer foam. A great place to start would be to analyze beer foam to see what it is composed of, and this is something brewing scientists did long ago. They skimmed beer foam, collapsed all the bubbles until it was a liquid again, and determined and ran tests to determine its composition. [Read more…]