97.2% K2S2O5, white crystalline powder-E224. It is a preservative and antioxidant. The wine develops the antimicrobial activity of polyphenols against unwanted microflora, has an antioxidant effect on oxidizing enzymes. 1 g of potassium metabisulphite develops approximately 0.5 g of SO2.
For the preparation of vinegar, fruit drinks, dry and candied fruit, fruit liqueurs, marmalades, fruit juices and syrups, wine, must.
Dosage in oenology:
Very weak sulphur 3 g / hl
Low sulphur 5 g / hl
Medium sulphur 10 g / hl
Strong sulphur 15 g / hl
Very strong sulphur 20 g / hl
Method of application:
Dissolve the product in a wine and stir well. Store in a dry place, because the product is sensitive to moisture.
Potassium metabisulphite develops in wine and must by about 50% of its weight SO2. By adding 10 g of potassium metabisulphite to 100 l, a new SO2 is raised by approximately 50 mg / l. Use for oenological purposes.
It promotes the cleansing of musts and wines, dissolves polyphenols, antioxidant acts on oxidation enzymes, lowers acid, antiseptic acts on unwanted bacteria, acts antioxidant. Dissolve the agent in a small amount of water and add the mass to be treated.