Fermenting Sauvignon blanc on full lees…
There is always a major lesson (or many) to be learnt in each harvest. A few years ago after planning space, bottling etc., I was convinced we had enough space at a cellar where I consult to take [...]
Wine yeast nutrients 101
Various parts of dead yeasts can be used as a source of nutrition / alcohol tolerance for live yeast cells during fermentation. Sometimes they are used in combination with inorganic nitrogen such [...]
Is your yeast on sterols?
Recent crackdowns on doping in sport have made all of us more aware of the effects of performance enhancing supplements. This got me thinking. What if winemakers could come up with a legal magic [...]
Yeast cell walls versus inactivated yeasts…
Yeast cell walls are also known as yeast hulls or yeast ghosts. Many sales reps sell yeast nutrients that they claim contain yeast cell walls when in fact they contain the whole yeast that has [...]