Legacy NT 202

A Saccharomyces cerevisiae hybrid yeast for the production of aromatic and complex red wines.

Purpose

NT 202 enhances red berry aromas in Cabernet Sauvignon and Merlot and blackberry, black currant, tobacco and prune aromas in Pinotage. It is recommended for the production of red wines with or without wood maturation. NT 202 has a high alcohol tolerance, good fructose utilisation and a stimulating effect on malolactic fermentation when compared to other red wine strains.

It is therefore especially suitable for the vinification of high sugar musts, where the resulting high alcohol at the end of fermentation can potentially cause sluggish or stuck alcoholic fermentations and/or problematic MLFs.

Results & benefits

Science and Technology

Product Anchor-NT202-image-1 — Fructose utilisation by **Legacy NT 202** in a 24 °B must with 30 g/L more fructose than glucose (residual sugar at 22 °C).

Characteristics

Fermentation kinetics

Strong fermenter – temperature control is advised
Conversion factor: 0.57 – 0.62

Technical characteristics

Cold tolerance: 18 °C (64 °F) – not suitable for pre-fermentation cold soaking
Optimum temperature range: 20 – 28 °C (68 – 83 °F); temperatures must not exceed 30 °C (86 °F)
Osmotolerance: 26 °Balling/Brix, 14.4 Baumé
Alcohol tolerance at 20 °C (68 °F): 16%
Foam production: low

Metabolic characteristics

Glycerol production: 9 – 12 g/L
Volatile acidity production: generally lower than 0.3 g/L
SO₂ production: none to very low
Nitrogen requirement: average

Phenotype

Killer: positive
Cinnamyl decarboxylase activity: negative (POF-)

Download the application data sheet

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Product information

Origin

NT 202 is a product of the yeast hybridisation program of ARC Infruitec-Nietvoorbij, the vine and wine research institute of the Agricultural Research Council, Stellenbosch, South Africa.

Usage

Dosage

30 g/hL (2.5 lb/1000 gal)

Packaging & Storage

Packaging

NT 202 is vacuum-packed in 1 kg packets.

Storage

It must be stored in a cool (5 – 15 °C, 41 – 59 °F), dry place, sealed in its original packaging.

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