Background 11

• This is the measure of acid content in wine or juice.

  Titratable Acidity (TA)
• Titratable Acidity is usually reported in units of tartaric acid, malic acid,

  or citric acid.
• Since grapes contain significant amounts of organic acids, TA analysis is one of the most basic analyses in a winery lab.
• The crisp and tart taste in wines is basically due to the acid present.
• Winemakers are interested in quantifying the amount of these acids since acidity plays a major role in the taste of wines
• What is expressed as percentage in units of grams/liter?

  Tartaric Acid Content
• Typical tartaric acid content of wines ranges from 0.2-1.0%