Slovak wine following terms: Víno bez zemepisného označenia - "Wine without geographic indication" is replacing former category of Stolové víno - Table wine. Minimum level of sugar content is 13 °NM. Víno s chráneným zemepisným označením - "Wine with protected geographic indication" - produced from grapes registered in the List of registered varieties, grown, produced and bottled in one of the Slovak wine regions, maximum yield per hectare wasn't exceeded, minimum level of sugar content was 13 °NM and it fulfills the requirements of established product specification. It can be indicated with traditional term regionálne víno if the grapes reached 15 °NM,
Phenolic content in wine produce grapes with higher levels of resveratrol than warmer, drier wine regions such as California and Australia. Different grape varieties tend to have differing levels, with Muscadines and the Pinot family having high levels while the Cabernet family has lower levels of resveratrol. In the late 20th century interest in the possible health benefits of resveratrol in wine was spurred by discussion of the French paradox involving the health of wine drinkers in France. Piceatannol is also present in grape from where it can be extracted and found in red wine. Vanillin is a phenolic aldehyde most commonly associated with