Copolymer of vinylimidazole and vinylpyrrolidone (PVI/PVP). It prevents oxidation, browning, pinking and formation of haze by removing pro-oxidant metals like iron and copper, and hydroxycinnamic acids and catechins, the main substrate of oxidation.
- Applications: remove heavy metals; prolong wine shelf life; prevent oxidation
- Dosage: 20-50 g/hL
- Packaging: 2.5 kg - 10 kg