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The department of Huila is a producer of Castilla blackberry (Rubus glaucus Benth), a perishable fruit in post-harvest, making it necessary to develop processing alternatives in order to extend its shelf life and improve its market price. It was therefore proposed to elaborate a fermented blackberry drink using clarification, maturation, and aging processes. The physiochemical and microbiological parameters were characterized in the different phases. The inoculated yeast generated changes during the fermentation of the blackberry juice reducing the soluble solids to 6.9°Brix and viscosity to 1.5 cP. The alcohol content at the end of the process was of 14.4 alcohol by volume (ABV).
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Oviedo-Arbeláez et al. (2018) studied this question.
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