A kind of seedless dry white wine and preparation method thereof
A white wine, seedless white dry technology, applied in the field of wine, can solve the problems of weak aroma, inability to form, weak aroma, etc., and achieve the effects of low tannin content, low immersion temperature and long aftertaste
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Embodiment 1
[0030] The preparation method of the seedless dry white wine of the present embodiment may further comprise the steps:
[0031] 1) Harvesting and sorting: Harvesting begins when the sugar content of grapes reaches 200g / L, and manual sorting is carried out to ensure that no unqualified fruits such as rotten fruit and diseased fruit enter the production process;
[0032] 2) Destemming and crushing: Evenly put the whole ear of seedless white grapes into the destemming crusher to separate the grapes from the fruit stems, and transport the crushed peel, pulp and juice to the fermentation tank by the screw pump. Add 50mg / L SO at the same time 2 , 40mg / L of pectinase; adopt cooling measures afterwards, and cold soak at 5°C for 2 days to obtain grape must;
[0033] 3) Pre-fermentation: Add 100mg / L pre-activated active dry yeast to the grape mash obtained in step 2), pour it backwards and mix it evenly, and then soak and ferment at 18°C for 3 days, the preparation method of pre-acti...
Embodiment 2
[0038] The preparation method of the seedless dry white wine of the present embodiment may further comprise the steps:
[0039] 1) Harvesting and sorting: Harvesting begins when the sugar content of grapes reaches 210g / L, and manual sorting is carried out to ensure that no unqualified fruits such as rotten fruit and diseased fruit enter the production process;
[0040] 2) Destemming and crushing: Evenly put the whole ear of seedless white grapes into the destemming crusher to separate the grapes from the fruit stems, and transport the crushed peel, pulp and juice to the fermentation tank by the screw pump. Add 80mg / L SO at the same time 2 , 60mg / L of pectinase, and then cooling measures were adopted, and cold soaking at 8°C for 2 days to obtain grape must;
[0041] 3) Pre-fermentation: add 150mg / L pre-activated active dry yeast to the grape mash obtained in step 2), pour it backwards and mix it evenly, and then soak and ferment for 2 days at 19°C; the preparation method of th...
Embodiment 3
[0046] The preparation method of the seedless dry white wine of the present embodiment may further comprise the steps:
[0047] 1) Harvesting and sorting: After harvesting begins when the sugar content of grapes reaches 220g / L, manual sorting is carried out to ensure that no unqualified fruits such as rotten fruit and diseased fruit enter the production process;
[0048] 2) Destemming and crushing: Evenly put the whole ear of seedless white grapes into the destemming crusher to separate the grapes from the fruit stems, and transport the crushed peel, pulp and juice to the fermentation tank by the screw pump. Add 100mg / L SO at the same time 2 , 80mg / L of pectinase, then cooling measures were adopted, and cold soaking at 10°C for 1 day to obtain grape must;
[0049]3) Pre-fermentation: Add 200 mg / L pre-activated active dry yeast to the grape mash obtained in step 2), pour it backwards and mix well, and then soak and ferment at 20°C for 2 days; the preparation method of pre-acti...
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