Advances in Grape and Wine Biotechnology 2019
DOI: 10.5772/intechopen.85989
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Alcohol Reduction by Physical Methods

Abstract: Alcohol reduction of wine has gained significance worldwide. There are several technologies available to reduce the alcohol content in a targeted way. This chapter explains the principles of alcohol reduction by physical methods. Different membrane processes such as osmotic distillation and the two-step dealcoholization process of reverse osmosis combined with osmotic distillation are compared with distillation processes such as vacuum rectification and spinning cone column. An alternative approach the membran… Show more

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Cited by 4 publications
(12 citation statements)
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“…Furthermore, all investigated samples mentioned SO2 as ingredient. Even though the anti-microbiological effect of common SO 2 dosages is not sufficient to guarantee the microbiological stability of such products [32], the producers seem to use the other effects of SO 2 for their dealcoholized wines. Ascorbic acid was found on 34 of the 200 products.…”
Section: Resultsmentioning
confidence: 99%
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“…Furthermore, all investigated samples mentioned SO2 as ingredient. Even though the anti-microbiological effect of common SO 2 dosages is not sufficient to guarantee the microbiological stability of such products [32], the producers seem to use the other effects of SO 2 for their dealcoholized wines. Ascorbic acid was found on 34 of the 200 products.…”
Section: Resultsmentioning
confidence: 99%
“…While reducing the alcohol to a content lower than 0,5% v/v, there is a concentration effect of approximately 1,1% per 8 g/L that is removed. The dealcoholization of wine goes along with 15-20% compared to the initial volume before processing [32].…”
Section: Introductionmentioning
confidence: 99%
“…The technologies and procedures used for the reduction in and removal of ethanol are extensively discussed in the literature [8,[10][11][12]. One of the primary focuses is on the influence of dealcoholization on the sensory profile of the products, which often deviates significantly from that of the "original" wine [13].…”
Section: Processes To Reduce and Remove The Alcohol Content Of Winementioning
confidence: 99%
“…Viticultural and pre-fermentation methods aim at reducing fermentable sugars. This can be achieved by planting grape varieties or clones that produce less sugar, harvesting grapes earlier, or technically removing the sugar [10,11]. Earlier harvesting has no impact on the ecological sustainability of the product, whereas the technical removal of sugar consumes energy.…”
Section: Viticultural Oenological and Microbiological Approachesmentioning
confidence: 99%
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