Citas bibligráficas
Cussianovich, K., (2016). Obtención y caracterización de aguardiente de 40° G.L. a partir de gaseosas y néctar de descarte [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/1898
Cussianovich, K., Obtención y caracterización de aguardiente de 40° G.L. a partir de gaseosas y néctar de descarte [Tesis]. : Universidad Nacional Agraria La Molina; 2016. https://hdl.handle.net/20.500.12996/1898
@misc{renati/247877,
title = "Obtención y caracterización de aguardiente de 40° G.L. a partir de gaseosas y néctar de descarte",
author = "Cussianovich Aguirre, Karlos Augusto",
publisher = "Universidad Nacional Agraria La Molina",
year = "2016"
}
A process to obtain hard liquor from the discard or waste beverages like soda and apple nectar was investigated. The process starts with an alcoholic fermentation and a subsequent distillation. For each sample two treatments were used to carry out the alcoholic fermentation. One treatment consisted in the direct fermentation of the samples while the other adjust pH to 4.5 and added 0.2 g/l of ammonium phosphate. Except the yellow soda, all the samples with both treatments reached a complete fermentation. This difference may be due to the containing of the yellow soda of 0.2596 g/l of sodium benzoate, which is a yeast inhibitor. On the other hand, the sample that consists on a mixture of yellow and black soda and apple nectar, reached a complete fermentation when the treatment that adjust pH and added nutrients was applied. The statistical analysis of the alcoholic grade of the fermented samples indicated that there are no significant differences between the two treatments in the case of the black soda and the apple néctar, whereas in the case of the mixture and the yellow soda there were significant differences obtaining higher alcohol content with the treatment that adjust the pH and added nutrients. The yields of hard liquor 40 ºG.L. obtained from black soda, apple néctar and the mixture were 16.6, 11.8 and 12.5 percent respectively.
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