| 摘要 |
2095917 9208783 PCTABS00013 Dealcoholization of a naturally fermented beverage comprising: A) optionally, contacting the beverage with a microfiltration membrane, to obtain a permeate and a retentate with, respectively, lower and higher concentrations of high molecular weight turbidity causing compounds; B) optionally, contacting beverage or the microfiltration permeate with a nanofiltration membrane, to obtain a permeate and a retentate with, respectively, lower and higher concentrations of aroma and flavor containing compounds, C) contacting the microfiltration permeate or the nanofiltration permeate with a reverse osmosis membrane, which selectively permeates ethanol and selectively retains aroma and flavor containing compounds, to obtain a permeate and a retentate with, respectively, higher and lower concentrations of ethanol, and lower and higher concentrations of aroma and flavor containing compounds.
|
