Built for Brewing

Yes—aseptic fruit purées can affect both fermentation and ABV, typically in predictable ways.

Fruit purées contain fermentable sugars, so if they’re added while yeast is still active—or if yeast remains present afterward—those sugars will ferment. This can impact gravity, carbonation, and alcohol levels. Because these sugars are highly fermentable, fruit additions often result in a lower final gravity.

The effect on ABV is not always an increase. It depends on the balance between the sugar concentration of the purée and the total liquid volume added. In many cases, fruit contributes enough sugar to cause a slight increase in ABV. However, when larger volumes of purée are added—especially to an already strong beer—the dilution effect can outweigh the added sugars, resulting in a slight decrease in overall ABV.

Here’s a practical guideline by beer type:

Clean ales / standard fruit beers: Add fruit near the end of primary fermentation. This provides a strong balance of aroma, flavor, and package stability.

Kettle sours: Add fruit after primary fermentation is complete, then allow a short period of refermentation on the fruit.

Mixed fermentation / Brett / barrel-aged sours: Add fruit after the beer has matured, then allow extended aging on the fruit. This helps preserve fruit character and aligns with longer development timelines.

General rule: Add fruit near the end of fermentation—about 2–3 gravity points before final gravity—so yeast can ferment the fruit sugars while maintaining optimal flavor and aroma.

Yes. Aseptic fruit purées are significantly more consistent batch-to-batch than raw fruit. Key parameters such as Brix and pH are tightly controlled and verified through Certificates of Analysis (COAs), allowing brewers to achieve more predictable fermentation and flavor outcomes at scale.

Unopened aseptic fruit purée is shelf-stable and does not require freezing or cold storage. It can be stored at temperatures up to 75°F and typically has a shelf life of 18–24 months.

Once opened, standard food safety practices apply: refrigerate and use within approximately 5 days, or freeze for up to 6 months. Certain fruits—such as strawberry and raspberry—are more prone to oxidation, so for extended storage, refrigeration or freezing is recommended even before opening.