Blackcurrant is an ingredient rather than a dessert fruit. It is bought for three things: a very deep colour that survives processing, a high acidity that lifts a formulation, and a high level of the pigments and vitamin C that make it useful in beverages and nutraceutical products. Almost all of it is processed into juice, concentrate, puree or a fruit preparation, which is why the specification should be built around Brix, titratable acidity and stem content rather than around calibre and appearance. Buyers who write a blackcurrant specification as if it were a dessert berry usually end up paying for attributes their process destroys in the first ten minutes.
Seasonality and availability
Harvest runs through July and into August. Blackcurrant is largely machine harvested, which is why stem and leaf content is the defect that matters and why it is controlled by cleaning rather than by picking. The crop is frozen at harvest and drawn from cold store through the year. Contract volume for processing is usually placed before the harvest, because processors want the whole season’s requirement covered in one negotiation.
What the buyer checks at intake
- Brix and titratable acidity, since both drive the recipe downstream.
- Stem, leaf and stalk content against the agreed tolerance, on a weighed sample.
- Core temperature at minus eighteen degrees Celsius or colder.
- Colour of the pressed or thawed sample against a reference.
- Unripe and green fruit against the tolerance.
- Free ice and glaze in the bag.
Related standards and routes
Road reefer to central Europe for cartons, and bulk bins on the same equipment for juice processors. BRCGS or IFS Food certification is standard, with EU organic where required.