italianoenglishfrançaisdeutschespañolportuguês
Language
Search
  • » Video
  • » Relationship among instrumental texture properties, phenolic composition and postharvest dehydration kinetics of wine grapes

Relationship among instrumental texture properties, phenolic composition and postharvest dehydration kinetics of wine grapes

Simone Giacosa, Dipartimento di Scienze agrarie, forestali e alimentari, Università di Torino

The postharvest dehydration process induces qualitative and quantitative changes in the chemical composition of the grapes. Furthermore, thermally processed biomaterials support a texture degradation closely related to enzymatic and non-enzymatic changes in the cell wall pectin.

The texture and composition are cultivar dependent, and are strongly related to the dehydration rate that is influenced by the thermohygrometric conditions used. Few works have been performed on the incidence of the mechanical properties of winegrapes on the postharvest dehydration process.

Therefore, the aims of this work were first to study the effect of the skin hardness of fresh grapes, the winegrape variety and the thermohygrometric conditions on the postharvest dehydration kinetics of the grape, and second to evaluate the possibility of using instrumental texture parameters to manage the off-vine withering process.

The paper reproduced in this video-seminar was presented at the 2013 International SIVE Awards “Research for Development” (8th edition of Enoforum; 7-9 maggio 2013, Arezzo, Italy)

 

Note

The video-seminar is conceived as a true professional update course lasting more than 15 minutes. Therefore, before starting to watch the video, we recommend that you prepare yourself for a uninterrupted session (ex. make sure you are free of all other engagements for the whole duration, turn off your cell phone and be equipped with materials to take notes).
 
Access the video-seminar from the menu on the right, at a cost of € 25,00 Infowine Pay-Per-View Credits. The fee payment entitles you to 2 accesses.
If you purchased an annual subscription, you have unlimited access to videos and all other documents for a period of 12 months.

You can purchase Pay-Per-View Credits or subscribe after login, by using the menu on the top right.
Read the “web visualization instructions” before starting to watch the video

Published on 10/21/2014
Premium Contents Area
  • VIDEO SEMINAR (€ 25,00 streaming, 20min)
Related sheets
© All Right Reserved
ISSN 1826-1590 VAT: IT01286830334
powered by Infonet Srl Piacenza
- A +
ExecTime : 1,718994