Zero Hero is a yeast strain of Torulaspora delbrueckii, selected specifically for its highly restrained fermentation performance for the production of non alcoholic beers. This strain is maltose and maltotriose negative, meaning it is unable to metabolize maltose. As a result, attenuation remains extremely low and therefore alcohol production is minimal, making it particularly well-suited for non-alcoholic and ultra-low alcohol beer applications.
Despite its limited sugar metabolism, Zero Hero contributes a clean and balanced sensory profile. It supports subtle yeast-derived complexity without generating excessive esters, phenols, or off-flavours, allowing the raw materials and process design to remain at the forefront. The restrained fermentation activity also helps preserve body and residual sweetness, which can be advantageous in maintaining mouthfeel in alcohol-free formulations.
Due to the low level of attenuation and residual fermentable sugars remaining in the finished product, pasteurisation is required to ensure microbiological stability and prevent refermentation in package.
