Oenology NaturalSpecialities can offer fermentation, clarification, finishing and blending tannins. Fermentation tanninsUsed on the grapes during crushing or can be added to the juice or must during maceration or fermentation in order to stabilise colourTanal QCT - Tanal QCTN - Tanal WB Clarification tanninsTanal W1 is used as a clarification aid by eliminating haze sensitive proteins Finishing tanninsAdded at the end of maturation or just before bottling for taste modification GallotanninsTanal W2 - Tanal W4 Grape seed extractsOmniVin 10R - OmniVin WG Oak extractsOak extracts are used as taste modification aid in red wines. OakTan will introduce aromatic wood notes in wines. The maturation time can thereby be reduced, allowing for a faster introduction of the wine to the customer. Different grades are available based on American or French oak, toasted or untoasted oak