Table 3.
General tendency of increasing and decreasing relevant compounds during bottle aging.
| Compounds. | Increase | Decrease | Ref. | |
|---|---|---|---|---|
| Pigments | Monomeric anthocyanins | * | [134] | |
| Polymeric anthocyanins | * | [114] | ||
| Pyranoanthocyanins | * | [134,135] | ||
| Anthocyanin-flavanol polymers | * | [135] | ||
| Anthocyanin-alkyl adducts | * | [134] | ||
| Volatile phenolics | Guaiacol | * | [136] | |
| Syringol | * | [137] | ||
| Eugenol | * | [138] | ||
| Flavonoids | (+)-catechin | * | [136,139] | |
| (−)-epicathechin | * | [66,136] | ||
| Kaempferol | * | [66,136] | ||
| Thiols | Varietal thiols (3SH, 4MSP, etc.) | * | [140] | |
| Complex thiols (2FMT, BMT, etc.) | * | [108] | ||
| Phenolic acids | Caffeic acid | * | [141,142] | |
| Gallic acid | * | [141,142] | ||
| p-coumaric acid | * | [143] | ||
| Hydroxycinnamic acids | * | [66] | ||
| Syringic acid | * | [136] | ||
| Caftaric acid | * | [139,142] | ||
| Coutaric acid | * | [143] | ||
| Fertaric acid | * | [142] | ||
| Ferulic acid | * | [139] | ||
| Esters | Ethyl acetate | * | [136] | |
| Acetoine | * | [129] | ||
| Terpenols 1 | Linalool | * | [144] | |
| Geraniol | * | [101] | ||
| α-terpineol | * | [130] | ||
| Aldehydes | Acetaldehyde | * | [136] | |
| Methional | * | [70] | ||
| Phenylacetaldehyde | * | [121] | ||
| Octanal | * | [42] | ||
| 2-nonanal | * | [42] | ||
| Decanal | * | [31] | ||
| Furfural | * | [121] | ||
| Norisoprenoids | β-damascenone | * | [104] | |
| β-ionone | * | [37] | ||
| TDN | * | [106] | ||
| Tannins | Monomeric flavan-3-ols | * | [126] | |
| Epigallocatehcin | * | [126,144] | ||
| Gallocatechin | * | [144] | ||
| Vescalagin | * | [125] | ||
1 Tendency of increase during first year of aging, followed by decrease. 3SH: 3-sulfanylhexanol, 4MSP: 4-methyl-4-sulfanylpentan-2-one, 2FMT: 2-furanmethanethiol, BMT: Benzenemethanethiol.