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Study: Wine flavor down to microbes

Different microbes may create variations in otherwise identical wine grapes in the same vineyard and affect the wine's flavor, South African researchers say.

Mathabatha Setati and colleagues from Stellenbosch University said various microbes could contribute to flavor fluctuations in samples of grapes from one vineyard as they are fermenting in different tanks.

"In the wine industry, the fungal communities on grapes are especially important," the researchers wrote in the journal PLoS ONE. "The microbial species present on the berry may contribute to the fermentation process, and therefore the aromatic properties of the resulting wine."
 
 

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