Beer And Wine Exam 2 Practice

Which statement about volatile acidity is accurate?

Volatile acidity involves acetic acid–related vinegar-like aromas; can also present as nail-polish remover in higher concentrations Volatile acidity is described by nutty, caramelized aromas. Volatile acidity yields burnt matches. Volatile acidity has no smell.

Correct Answer:

Volatile acidity is described by nutty, caramelized aromas.

Explanation:

Volatile acidity refers to the volatile acids in wine, mainly acetic acid, along with related compounds. These give vinegar-like aromas, a sharp, tangy note that you can smell even at low levels. At higher concentrations, acetates and related solvents can produce a smell reminiscent of nail-polish remover. Aromas described as nutty or caramelized come from other chemical processes and components, such as oak aging or Maillard-derived compounds, not VA. The burnt-matches smell comes from sulfur compounds, which are unrelated to VA, and VA is detectable by smell rather than being odorless.

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