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Title: Brazilian cocoa hybrid-mix fermentation: impact of microbial dominance as well as chemical and sensorial properties
Keywords: Cocoa hybrid-mix fermentation
Chocolate - Quality
Chocolate sensory analyses
Fermentação de mistura híbrida de cacau
Chocolate - Qualidade
Análises sensoriais de chocolate
Issue Date: Jun-2021
Publisher: Institute of Food Technologists
Citation: MARTINEZ, S. J. et al. Brazilian cocoa hybrid-mix fermentation: impact of microbial dominance as well as chemical and sensorial properties. Journal of Food Science, Champaign, v. 86, n. 6, p. 2604-2614, June 2021. DOI: 10.1111/1750-3841.15758.
Abstract: High-yield resistant hybrids are used in cocoa fermentation and result in chocolates with different sensorial profiles. This work aimed to characterize the fermentation microbiologically and physicochemically. Hybrids CEPEC 2004, FA13, PH15, and CEPEC 2002 were used for fermentation. The yeast, acetic acid bacteria, lactic acid bacteria, and mesophilic bacteria population were evaluated in their respective medium. Carbohydrates and acids were detected using a high-performance liquid chromatography system, and volatiles were analyzed using gas chromatography-mass spectrometry equipment. Finally, a consumer acceptance test followed by a check-all-that-apply question and a temporal dominance of sensations assessment was performed in chocolate. The fermentation resulted in a typical succession: yeast-dominated at first, followed by lactic acid, acetic acid, and mesophilic bacteria. In the pulp, carbohydrates and citric acid were consumed. Low concentrations of acetic acid (0.09–1.75 g/kg) were detected. Acids, esters, and alcohols were the most abundant groups. The chocolate profile resulted in sweet, acidic, and fruity, satisfying consumers' tastes.
Appears in Collections:DBI - Artigos publicados em periódicos
DCA - Artigos publicados em periódicos

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