Tartrate stability

4 Novembro 2019, 09:00 • Sofia Cristina Gomes Catarino

Tartrate stability. 

Potassium bitartrate and calcium tartrate crystallization and precipitation. 

Stability tests.

Stabilization treatments: cold stabilization, electrodyalisis, ion exchange resins, additives.

Physical-chemical characterization and evolution control of the wines under students' responsibility: reducing substances, ash

30 Outubro 2019, 14:00 • Sofia Cristina Gomes Catarino

Physical-chemical characterization and evolution control of the wines under students' responsibility: reducing substances, ash.

Analytical methods' description. Enological interest of each analytical determination.

Application of these analytical methods on the wines. Discussion of the results.

Physical-chemical characterization and evolution control of the wines under students' responsibility: reducing substances, ash

28 Outubro 2019, 14:30 • Sofia Cristina Gomes Catarino

Physical-chemical characterization and evolution control of the wines under students' responsibility: reducing substances, ash.

Analytical methods' description. Enological interest of each analytical determination.

Application of these analytical methods on the wines.

Wine aging: wooden and vat/bottle aging

28 Outubro 2019, 09:00 • Sofia Cristina Gomes Catarino

Wine aging: wooden and vat/bottle aging.

Phenolic reactions (colouring matter and tannins) in red wine involving oxygen during aging.

Alternative/emerging technologies: micro-oxygenation, wood fragments, oak alternatives, permeable tanks, added tannins.

Physical-chemical characterization and evolution control of the wines under students' responsibility: alcoholic strength by volume, density and specific gravity, total dry extract, total acidity

23 Outubro 2019, 14:00 • Sofia Cristina Gomes Catarino

Physical-chemical characterization and evolution control of the wines under students' responsibility: alcoholic strength by volume, density and specific gravity, total dry extract, total acidity.

Analytical methods' description. Enological interest of each analytical determination.