Wine, Polyphenols, and the Matrix Effect: Is Alcohol Always the Same?

Area of Science:

• Pharmacology and Toxicology
• Nutritional Science
• Food Chemistry

Background:

• Research on wine and health yields contradictory results, often lacking a holistic approach from molecular to medical conclusions.
• The concept of the phytocomplex, vehicle, and Matrix effect in biological systems is underexplored.
• Interactions within herbal matrices, like wine, create unique biological responses distinct from isolated compounds.

Purpose of the Study:

• To review the concept of the phytocomplex and the Matrix effect in wine.
• To analyze the biological activities of key compounds like Tyrosol, Hydroxytyrosol, and Resveratrol within the wine matrix.
• To highlight the importance of the wine Matrix effect on compound bioavailability and alcohol metabolite carcinogenicity.

Main Methods:

• Literature review focusing on molecular, pharmacological, and epidemiological studies.
• Analysis of the "Matrix effect" concept in relation to wine's phytocomplex.
• Discussion of specific compounds (Tyrosol, Hydroxytyrosol, Resveratrol) and their interactions.

Main Results:

• The wine Matrix effect significantly impacts the bioavailability of beneficial compounds and can inhibit the carcinogenicity of alcohol metabolites.
• Interactions among molecules in the wine matrix elicit responses different from single constituents.
• Underestimating the Matrix effect can lead to inaccurate conclusions about dealcoholized wine or supplements.

Conclusions:

• The wine Matrix effect is crucial for understanding its health implications, influencing both beneficial compound bioavailability and alcohol's toxicity.
• Future research should consider the holistic Matrix effect, aligning with WHO recommendations to explore non-alcohol components.
• Neglecting the Matrix effect risks overemphasizing single compound toxicity (e.g., alcohol) while ignoring synergistic protective actions of polyphenols.