Fructus rubi-grape wine processing technology
A processing technology and raspberry technology, applied in the field of wine processing, can solve the problems of difficult control of the fermentation process, poor taste and high brewing cost, and achieve the effects of elegant and rich fruit aroma, improved taste and quality
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Embodiment 1
[0029] A kind of raspberry-wine processing technology, described processing technology comprises the steps:
[0030] (1) Collect fresh, mature grape ears without mechanical damage, diseases and insect pests, sort by hand, and prohibit spraying pesticides one month before harvest;
[0031] (2) Put the grape ears into a maceration tank and soak for 5 days in a pressure environment full of carbon dioxide, the temperature in the tank is 15°C, and the pressure is 2.8 bar;
[0032] (3) Alcoholic fermentation: after immersion, transfer the filtrate to a fermenter, add yeast 30mg / L, ferment at 15°C, and stop the fermentation when the residual sugar is lower than 4.0g / L; specifically, the The process of adding yeast is as follows: add the yeast into warm water at 30°C that is 10 times the weight of the yeast, stir evenly, let it stand for 10 minutes, and then use the filtrate to cool the yeast, reduce the temperature of the yeast mother liquid to 16°C, and add it to the fermentation T...
Embodiment 2
[0042] A kind of raspberry-wine processing technology, described processing technology comprises the steps:
[0043] (1) Collect fresh, mature grape ears without mechanical damage, diseases and insect pests, sort by hand, and prohibit spraying pesticides one month before harvest;
[0044] (2) Put the grape ears into a maceration tank and soak for 8 days in a pressure environment full of carbon dioxide, the temperature in the tank is 10°C, and the pressure is 2.5 bar;
[0045](3) Alcoholic fermentation: after the immersion finishes, transfer the filtrate to a fermenter, add yeast 30mg / L, ferment at 18°C, and stop fermentation when the residual sugar is lower than 4.0g / L; The adding process is: add the yeast into 35°C warm water 10 times the weight of the yeast, stir evenly, let it stand for 20 minutes, then use the filtrate to cool the yeast, reduce the temperature of the yeast mother liquid to 25°C, add it to the fermenter for alcohol Fermentation; the alcoholic fermentation ...
Embodiment 3
[0055] A kind of raspberry-wine processing technology, described processing technology comprises the steps:
[0056] (1) Collect fresh, mature grape ears without mechanical damage, diseases and insect pests, sort by hand, and prohibit spraying pesticides one month before harvest;
[0057] (2) Put the grape ears into the dipping tank, and soak for 6 days in a pressure environment full of carbon dioxide, the temperature in the tank is 12 ° C, and the pressure is 2.6 bar;
[0058] (3) Alcoholic fermentation: after the immersion, the filtrate is transferred to a fermenter, and 30 mg / L of yeast is added, and fermented at 16° C., and the fermentation is terminated when the residual sugar is lower than 4.0 g / L; The adding process is: add the yeast into 32°C warm water 10 times the weight of the yeast, stir evenly, let it stand for 15 minutes, then use the filtrate to cool the yeast, reduce the temperature of the yeast mother liquid to 20°C, add it to the fermenter for alcohol Fermen...
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