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Weizenstephan (YS101)

The most famous German Hefeweizen strain. It creates a perfect mariage of banana esters and clove phenolics. Sulfur production is common, but can be avoided with dedicated nutrient (soon in stock). Underpitching, higher density worts, fermentation temperature and higher glucose content (decoction or low-end temp. mashing) can enhance banana ester production.

Key characteristics

Attenuation

75-80%
15-21°C

Temperature

Low

Sociability index

Yeast are living organisms, and like some other organisms they may "like or dislike" to aggregate together, hence we prefer to call the flocculation phenomenon as socialability index.

10%

Alcohol tolerance

Banana, clove/nutmeg

flaVour profile

Hefeweizen, Roggenbier

Best for

Yes

Phenolic

No

Diastatic

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