Condensed tannin

Condensed tannins, also known as proanthocyanidins, are a type of polyphenol found in a variety of plants. They are part of a larger group of plant compounds known as tannins, which are known for their high antioxidant activity and potential health benefits.

Chemical Structure

Condensed tannins are polymers composed of flavonoid units that are linked to form a more complex structure. The basic building block of condensed tannins is the flavan-3-ol unit, which can be present in various forms depending on the specific plant source. The structure of condensed tannins can vary greatly, with different types of linkages and varying degrees of polymerization.

Sources

Condensed tannins are found in a wide variety of plants, including many types of fruits, vegetables, nuts, seeds, spices, and legumes. They are particularly abundant in certain types of fruits such as grapes, cranberries, and blueberries, as well as in certain types of tea and wine. They are also found in high concentrations in some types of wood and bark.

Health Benefits

Research has suggested that condensed tannins may have a number of potential health benefits. These include antioxidant activity, anti-inflammatory effects, cardiovascular benefits, and potential anti-cancer effects. However, more research is needed to fully understand these potential benefits and the mechanisms by which condensed tannins exert their effects.

Potential Risks

While condensed tannins are generally considered safe and beneficial in moderate amounts, excessive consumption can potentially lead to negative effects. These can include digestive issues, nutrient malabsorption, and potential liver damage. As with any dietary supplement, it is recommended to consult with a healthcare provider before beginning a regimen of condensed tannin supplementation.

See Also

• Tannins
• Polyphenols
• Flavonoids
• Antioxidants

Nutrition information of Condensed tannin

• USDA on Condensed tannin