d284d4f0_he_Feiring_Line__November_2010__Use
[Processes] Sulfide reducing matrix sheet processing [Reference or limitation] (1) The active ingredient, polyvinylimidazol, must not constitute more than 40% by weight of the sheet. (2) Use of the sheet must not significantly alter the color of the wine. [Use] 
To reduce the level of sulfides in wine
The Feiring Line: November 2010
Use