KELLER-KALK – Calcium carbonate E170 for deacidification

KELLER-KALK – Calcium carbonate (E170) for controlled deacidification

KELLER-KALK is an High purity calcium carbonate (E170)targeted to: Normal acidification of must and wine is used. The product is according to EU Regulation 2019/934 approved as a processing aid and meets the requirements of OIV Code (COEI-1-CALCAR).

The deacidification with KELLER-KALK is carried out by Precipitation of tartaric acid as calcium tartrate. As a result, the acid content can be precisely reduced and the overall sensory impression harmonised will become. The product is suitable for use in must and wine.

KELLER-KALK is also for the Ecological viticulture approved (according to EU regulation 2018/848). Proper use by oenologically trained professionals is recommended.

Benefits at a glance

• Calcium carbonate (E170) for normal deacidification
• Targeted reduction of acidity
• Legally authorised according to EU-VO 2019/934
• Corresponds to the OIV Code
• Suitable for conventional and ecological viticulture

Application

KELLER-KALK is initially introduced dry and pasted with slow addition of wine or must until the CO₂Development is calmed and the mass is pumpable. The partial quantity is then added completely to the total quantity.

Dosage & Notes

• 0.67 g/l KELLER-KALK lower the acid by approx. 1 g/l
• Determine tartaric acid content before use
• Test calcium content after deacidification
• At Ca > 100 mg/l Stabilization required

Field of use

cider and wine deacidification in the professional winery industry.