Blueberry preparation and quality
Blueberry preparation and quality – the key to shelf life and high market value
The quality of blueberries after harvest has a key impact on their shelf life and market value. This category brings together materials on fruit preparation and the factors affecting quality.
A practical overview of preparing a batch before sorting: from gentle harvesting, transport and rapid cooling, to checking moisture, contamination and fruit condition before feeding onto the line.
An explanation of the main causes of firmness loss in blueberries after harvest: dehydration, changes in fruit structure, high temperature and mechanical damage during transport and handling.
A description of the factors affecting blueberry shelf life: rapid cooling, maintaining the cold chain, limiting damage, quality sorting and proper packing.
A comparison of methods for assessing blueberry firmness: from a simple manual test and penetrometer to non-destructive optical sorting and NIR technology used for larger fruit batches.
Description of the differences between dessert, fresh-market and processing blueberries, with guidance on how to adjust sorting to fruit destination, buyer requirements and target quality class.