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Shelf life estimation of Blackberry (Rubus glaucus Benth) with bacterial cellulose film coating from Komagataeibacter xylinus

Abstract:

The Castile blackberry (Rubus glaucus Benth) is an Andean crop with nutritional and antioxidant properties. The intake of this fruit potentiates the immune system and reduces the risk of developing degenerative and cardiovascular diseases. However, the Castile blackberry is one of the most perishable fruits due to its high respiration rate and the lack of protectant peel, making this fruit susceptible to microbial attack and rapid deterioration. The objective of this research was to estimate the shelf life of Castile blackberry (R. glaucus Benth) with bacterial cellulose coating from Komagataeibacter xylinus, in order to improve the physicochemical and nutritional characteristics. Blackberries with bacterial cellulose coating at 4°C have extended its shelf life to 9 days and preserved the initial characteristics of texture, color, smell, and taste.