The effect of in-amphorae aging on oenological parameters, phenolic profile and volatile composition of Minutolo white wine
Food Research International(2015)
Abstract
A wine was obtained from cryomacerated Minutolo grapes under reductive conditions and aged for 12months in glass container and in 3 types of amphorae. After aging, wines in glass containers showed the highest alcohol content, volatile acidity, dissolved oxygen, concentrations of aromatics, alcohols, and esters and by the lowest contents of enols and terpenes. They also showed the highest decrease of flavonoids, hydroxycinnamoyl tartaric acids, and procyanidins. Wines in raw amphorae showed the dramatic decrease of flavonoids and flavans reactive with vanillin. The highest antioxidant activity was exhibited by wines in engobe amphorae, while the lowest values were showed by the wines in glass containers and glazed amphorae. Caftaric acid and procyanidin B3 decreased in wine aged under glass while epicatechin mainly reduced in raw amphorae.
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Key words
Caftaric acid (PubChem CID: 6440397),Procyanidin B3 (PubChem CID: 146798),Astilbin (PubChem CID: 119258),Sulfur dioxide (PubChem CID: 1119)
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