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Technical Specifications

PHYSICAL

  • Appearance & colour: Granulate brown

LIMITS

  • Lead: < 5 mg/kg
  • Mercury: < 1 mg/kg
  • Arsenic: < 3 mg/kg
  • Iron: < 50 mg/kg
  • Insoluble matter (water): < 2 %

CHEMICAL

  • Total phenols: > 65 %
  • Humidity: < 10 %
  • Ashes: < 4 %

Features and Benefits

Formulation: Preparation of proanthocyanidic tannins extracted with water, instantaneously soluble.

Enological benefits:

  • Prevents abrupt losses of colour matter (reaction with proteins) and helps to stabilise the colour.
  • Has an antioxidant effect and helps to inhibit the laccase activity of botrytised grapes, protecting anthocyanins and improving their stabilisation.
  • Facilitates the fining and clarification of red wines, thus improving their quality and stability over time.

Product Applications

Dissolve Pro Tanin R® previously in some must or wine, then add it into the tank during a pump-over or during a transfer to ensure perfect homogenization.

Dosage Guidelines:

  • Healthy grapes: 10 to 30 g/hL, depending on grape ripeness.
  • Botrytised grapes: 30 to 80 g/hL at tank filling, based on laccase activity determined by Botrytest®.
  • Fining: 5 to 15 g/hL.

The dosage of tannins depends on the type of wine and the winemaking goals to be achieved. The Botrytest® is a useful tool for measuring laccase activity, which aids in determining the appropriate quantity of Pro Tanin R® to add to the must. Consult your enologist to ensure compliance with the oenological codex (OIV).

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