Sumários

Application of stability tests on the wines under students' responsibility: tartrate stability, protein stability and pinking

15 Novembro 2023, 14:30 Sofia Cristina Gomes Catarino


Application of stability tests on the wines under students' responsibility. 
Application of stability tests on the wines under students' responsibility: tartrate stability, protein stability and pinking. Discussion of the results.

Clarification of wines. Colloidal phenomena. Fining operation: Mechanisms involved; Fining agents (mineral and protein)

15 Novembro 2023, 09:00 Sofia Cristina Gomes Catarino


Clarification of wines. Colloidal phenomena. Fining operation: Mechanisms involved; Fining agents (mineral and protein)


Application of stability tests on the wines under students' responsibility. Application of stability tests on the wines under students' responsibility: tartrate stability, protein stability and pinking

13 Novembro 2023, 14:00 Sofia Cristina Gomes Catarino


Application of stability tests on the wines under students' responsibility. 
Application of stability tests on the wines under students' responsibility: tartrate stability, protein stability and pinking. 
Discussion of the results.

Physical-chemical characterization and evolution control of the wines under students' responsibility: Alkalinity of ash; copper; sulfates.

8 Novembro 2023, 14:30 Sofia Cristina Gomes Catarino


Physical-chemical characterization and evolution control of the wines under students' responsibility: Alkalinity of ash; copper; sulfates.
Analytical methods' description. Enological interest of each analytical determination.
Application of these analytical methods on the wines. Discussion of the results.

Tartrate stability

8 Novembro 2023, 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).