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Wine Lees as a Source of Antioxidant Compounds
1Instituto de Investigaciones Vitivinícolas y Agroalimentarias (IVAGRO), Universidad de Cádiz, Campus de Puerto Real, 11510 Cádiz, Spain. mjara@us.es.
Wine lees, a byproduct of winemaking, are rich in beneficial phenolic compounds. This review highlights their characteristics and antioxidant properties, showing potential for food and pharmaceutical applications.
Area of Science:
- Enology
- Food Science
- Pharmacology
Background:
- The wine industry generates substantial byproducts like grape pomace, stalks, and lees.
- Wine lees are a valuable natural reservoir of phenolic compounds.
- These compounds possess significant antioxidant and biological activities.
Purpose of the Study:
- To review the key characteristics of wine lees.
- To summarize the phenolic composition of wine lees.
- To evaluate the antioxidant activity of wine lees.
Main Methods:
- Literature review of scientific publications.
- Analysis of data on wine lees composition.
- Compilation of information on phenolic compounds and antioxidant properties.
Main Results:
- Wine lees exhibit diverse phenolic profiles.
- Significant antioxidant capacities are associated with wine lees phenolics.
- The abundance of wine lees makes them a viable source for phenolic extraction.
Conclusions:
- Wine lees represent a sustainable and abundant source of valuable phenolic compounds.
- The extraction of phenolics from wine lees holds promise for the food and pharmaceutical sectors.
- Further research can optimize the utilization of wine lees for bioactive compound recovery.
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