The invention relates to base liquor of sesame-
flavor liquor upgraded by
membrane distillation and a
membrane distillation method thereof, belonging to the technical field of
wine production. The base liquor of
membrane distillation sesame-
flavor liquor provided by the invention comprises the following ingredients: 0.4-2.5 g / L of
ethyl acetate, 0.2-2.2 g / L of
ethyl lactate, 0.1-1.2 g / L of
ethyl caproate, 0.5-200 mg / L of 3-methylthiopropanol and 0.2-0.6 g / L of
isoamyl alcohol. The base liquor of membrane
distillation sesame-
flavor liquor provided by the invention is reasonable and harmonious in ingredient contents and proportions and excellent in quality and flavor, the quality of the base liquor originally incapable of being used for blending
solid fermented pure grain liquor is improved, the blending difficulty of the liquor is reduced, the complex ingredient
system of the
Chinese liquor is optimized, the existing base liquor of
drug-flavor liquor with unreasonable ingredients is better balanced, the quality of the base liquor is perfected, and the flavor of the base liquor is more mellow and normal.