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New Research Ferments the Perfect Recipe for Fine Chocolate Flavor

NOTTINGHAM, U.K. — Researchers have identified key factors that influence the flavour of chocolate during the cocoa bean fermentation process, a discovery that could offer chocolate producers a powerful tool to craft consistently high-quality, flavour-rich chocolate. Scientists from the University of Nottingham’s School of Biosciences examined how cacao bean temperature, pH, and microbial communities interact during fermentation and how these fa…
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At the heart of this process is the fermentation of beans, a crucial and yet largely empirical step. This decisive moment, which determines the complex aromas of chocolate – fruity, floral or woody – is based on the action of microbes naturally present in the environment. Researchers at the University of Nottingham, in collaboration with Colombian farms, have published a study in Nature Microbiology that changes the situation.

Scientists in Britain have revealed one of the best-kept secrets of high-quality chocolate: the “magic” contribution of microbes. As it turns out, its rich and complex flavor is due not only to the cocoa bean, but also to the microscopic organisms that guide the fermentation process and “build” its aromatic profile. In their study published in the journal Nature Microbiology, researchers from the University of Nottingham describe how they manage…

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Food Manufacturing broke the news in on Tuesday, August 19, 2025.
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