Selenium-rich grape wine and manufacturing method
A production method and wine technology, applied in the field of wine, can solve the problems of long cycle, ineffective effect, lack of selenium supplementation effect, etc.
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[0007] A. Harvesting is to classify the ripeness of the grapes when they enter the veraison period to grasp the high-quality grapes to be picked. In order to reduce the oxidation of the grapes, try to pick the grapes when the temperature is low. The picked grapes are sent to the wine sorting room as soon as possible.
[0008] B. Sorting is to select grapes and remove unhealthy, immature or rotten grapes.
[0009] C. The two processes of destemming and crushing are selected for destemming. Crushing is to break the grape skins and avoid damaging the grape seeds as much as possible to release bitter oil and tannins.
[0010] D. Cold maceration is to control the peel and juice at a low temperature of 4-15°C after the grapes are crushed and before fermentation. The maceration time ranges from a few hours to a week. The maceration time of red wine is longer than that of white wine.
[0011] E. Pressing is the process of separating the grape juice from the solid components such as p...
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