Fresh-keeping processing and packaging process for berry like strawberry and blueberry berry

Abstract

The invention discloses a fresh-keeping processing and packaging process for berries like strawberries and blueberry berries. The process comprises the following steps: A) removing bad and rotten fruits from fresh berries, carefully placing the fruits in a tray or a basket, and precooling the fruits in an air-cooled cold storage at 0-2 DEG C for 24 hours, until temperature at the fruit center drops to 2 DEG C, while introducing O3 concentration of 3ppm into the cold storage for 15 min; B) placing the cooled berry fruits into a grid made of a soft material, wherein aperture of the grid suits the size of a single berry fruit; and C) placing the grid and the berry fruits into a sterile polypropylene box, and packaging the fruits by a controlled atmosphere packaging method. According to the above process provided by the invention, a fresh-keeping period of the strawberries or blueberry berries is prolonged from an original 2 days to 15 days, without loss of appearance, color or taste of the fresh fruits.

Description

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AI Technical Summary

Benefits of technology

This new method described by this patented innovator allows for better quality green bananas (strawberbs) without losing their flavor or smell during transport from harvest to sale. It uses controlled atmospheric conditions instead of existing methods like cold chambers which may lose some fats due to prolonged exposures overtime. Additionally, these techniques help prevent bacteria growth while maintaining good texture on older products. Overall, they improve shelf life and preserve them longer than previous ways.

Problems solved by technology

This patented method solves issues with storing strawfruit during freezing conditions due to its strong texture and moisture contents compared to other fruits like cherry tomatoes (BlueBERB). However, this approach requires expensive equipment and strict temperature management measures, making it difficult to store large amounts over longer periods at room temperatures.