Cocoa pulp in beer production: Applicability and fermentative process performance

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Abstract

This work evaluated the effect of cocoa pulp as a malt adjunct on the parameters of fermentation for beer production on a pilot scale. For this purpose, yeast isolated from the spontaneous fermentation of cachaça (SC52), belonging to the strain bank of the State University of Feira de Santana-Ba (Brazil), and a commercial strain of ale yeast (Safale S-04 Belgium) were used. The beer produced was subjected to acceptance and purchase intention tests for sensorial analysis. At the beginning of fermentation, 30% cocoa pulp (adjunct) was added to the wort at 12°P concentration. The production of beer on a pilot scale was carried out in a bioreactor with a 100-liter capacity, a usable volume of 60 liters, a temperature of 22°C and a fermentation time of 96 hours. The fermentation parameters evaluated were consumption of fermentable sugars and production of ethanol, glycerol and esters. The beer produced using the adjunct and yeast SC52 showed better fermentation performance and better acceptance according to sensorial analysis.

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APA

Da Silva Oliveira Nunes, C., De Carvalho, G. B. M., Da Silva, M. L. C., Da Silva, G. P., Machado, B. A. S., & Uetanabaro, A. P. T. (2017). Cocoa pulp in beer production: Applicability and fermentative process performance. PLoS ONE, 12(4). https://doi.org/10.1371/journal.pone.0175677

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