Sumários

Visita de Estudo a diferentes regiões vitivinícolas Portuguesas (25-27 Novembro)

27 Novembro 2024, 10:30 Sofia Cristina Gomes Catarino

Visita de Estudo a diferentes regiões vitivinícolas Portuguesas (25-27 Novembro).


Visita de Estudo a diferentes regiões vitivinícolas Portuguesas (25 a 27 de Novembro)

25 Novembro 2024, 14:00 Sofia Cristina Gomes Catarino

Visita de Estudo a diferentes regiões vitivinícolas Portuguesas (25 a 27 de Novembro)


Physical-chemical characterization and evolution control of the wines under students' responsibility: chromatic characteristics, total anthocyanins, degree of ionization of anthocyanins, ionized anthocyanins, total pigments, polymerization index, polymerized pigments, total phenols index, wine turbidity, fining tests.

20 Novembro 2024, 14:00 Sofia Cristina Gomes Catarino

Physical-chemical characterization and evolution control of the wines under students' responsibility: chromatic characteristics, total anthocyanins; degree of ionization of anthocyanins, ionized anthocyanins, total pigments, polymerization index, polymerized pigments, total phenols index; wine turbidity, fining tests
Analytical methods' description. Enological interest of each analytical determination. Fining essays.
Application of these analytical methods on the wines and discussion of the results.


Main colloidal instabilities in wine

20 Novembro 2024, 10:30 Sofia Cristina Gomes Catarino

Main colloidal instabilities in wine: protein turbidity, colouring matter instability; metallic hazes (copper and iron cases). Stability tests. Stabilization treatments. Wine treatment with bentonite. Arabic gum. 


Application of stability tests on the wines under students' responsibility

18 Novembro 2024, 14:00 Sofia Cristina Gomes Catarino

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