Port wines are created from the Duoro Demarcated Region in northern Portugal, and use several varieties of grapes, including Touriga Nacional, Tinta Barroca, Tinta Roriz, Touriga Francesa, Tinto Cão, and Tinta Amarela. One important characteristic of Port wines and Port-style…
Category: Chemistry
Using Ultrasound Technology to Combat Wine Spoilage: A Novel Approach
Many types of bacteria and yeasts are relied upon in the winemaking process. However, sometimes these organisms can cause the resulting wine to spoil. Often, this spoilage results in undesirable textures as well as off odors or flavors in the…
Combating Wine Fraud: A New Noninvasive Approach Shows Promise for Testing Authenticity of Wines Without Damage to the Bottle or Wine
Wine fraud is sadly not an uncommon occurrence in the industry, so much so that it has even caught the attention of the Federal Bureau of Investigation (FBI) in the United States. With rare bottles reaching on average more than…
Manipulating the “Peppery” Aroma of Wines: The Characterization of Rotundone
There are many compounds in wine that contribute to the aroma and flavor of each varietal, though only a small number of those actually have a distinctive aromatic characteristic assigned to them individually. Most aromatic qualities are a result of…