Envelhecimento de cachaça orgânica em barris de diferentes madeiras
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2014-08-15
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Universidade Federal de Goiás
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The aim of this work was to study the aging process of organic sugarcane spirit in different woods and characterize the evolution of this process. The organic sugarcane spirit was stored for twelve months in wooden barrels (ipê, jatobá and sassafrás) with three treatments, each treatment consisted of four replications. Monthly samples to perform physical and chemical analyzes were collected: Volatile acidity, antioxidant activity, phenolic compounds, color, density, dry extract, alcohol content and pH. In six twelve months the content of volatile components as aldehydes, esters, methanol, higher alcohols, furfural and ethyl carbamate were analyzed. After twelve months of aging sensory analysis was carried out by means of acceptance tests in order to evaluate the beverage in relation to the color, aroma, the taste and overall impression. Regardless of the wood that the barrel was built, the aged organic sugarcane spirit showed darker and higher concentration of volatile acidity, pH, density, dry extract, phenolic compounds and antioxidant activity. Moreover, all the barrels of different woods showed a reduction in alcohol content during aging, and the barrels of jatobá and sassafrás showed lower values established by the Brazilian legislation. The volatile components of aged organic sugarcane spirit follow the quality standards established by national law, except for the content of higher alcohols and ethyl carbamate that were above the established values. The results of sensory analysis showed significant differences only for the "flavor" attribute, the organic sugarcane spirit barrels stored in ipê. Other woods (jatobá and sassafrás) showed no significant differences in the attributes color, flavor, odor and overall impression during the reported aging.
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CARDOSO, K. C. R. Envelhecimento de cachaça orgânica em barris de diferentes madeiras. 2014. 85 f. Dissertação (Mestrado em Ciência e Tecnologia de Alimentos) - Universidade Federal de Goiás, Goiânia, 2014.