Short extract of the webinar "Good oenological practices for Botrytis-contaminated grapes"
Why is it important to know the gluconic acid content of grapes?
Dominique Delteil, internationally renowned agronomist, oenologist and oenological consultant, explains in this video the importance of gluconic acid as an indicator to identify batches of grapes attacked by botrytis and the general winemaking techniques to apply.
Video extract from "The role of Nitrogen and Copper in the prevention and treatment of wine reduction off-flavour"
Mercaptans are the family of sulphur compounds responsible for the wine fault known as reduction. Their functional group is exaclty the same as varietal thiols, -SH, and just like thiols they are q...
Video extract from "Practical Strategies for Producing a Wine with a Low Sulfite content"
Wines with a low sulfite content must please consumers on a sensory level. It is not just an analytical question about total sulfur dioxide, a wine with a low sulfite content should NOT be made at ...
Video Extract from Fernando Zamora's presentation at Macrowine
Protection against spoilage microorganism is one of the main effects of SO2. How can we reduce its addition to a minimum or even totally avoid its use? Fernando Zamora talsk about a few products su...
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