Brewtan B (formerly called Tanal B) is a 100% natural, high molecular weight tannic acid extracted from renewable plant materials specifically for the brewing industry. Incorporating Brewtan B into your process will improve the shelf life and enhance the flavor and colloidal stability of your beer.
The gallotannins in Brewtan B react with wort proteins through adsorption and precipitation – the Brewtan B/protein complex is left in the spent grains when Brewtan B is added to the mash, or removed in the whirlpool when it is added to the boiler.
It is highly effective at coagulating and flocculating proline and â€“thiol â€“containing proteins, but does not interact with foam-positive proteins. This in turn inhibits downstream lipid and protein oxidation, improving flavor stability and shelf life.
In the mash: 8 grams per barrel of mash liquor (or .26 grams per gallon).
In the boiler: 5 grams per barrel of wort (or .16 grams per gallon).
Dissolve powder in warm water; add solution to mash, boil, or both.
In the mash:
Add solution to mash water prior to dough-in. In the boiler: Add solution 0-5 minutes prior to end of boil.
1 year, stored in airtight container in cool environment