Ferment wine
1. crush grapes , and add sulfur regulating tablets to prevent microbial
contamination .
2. Add pectinase to decompose pectin and increase juice yield. 3 . Add
yeast, ferment for 7- 10 days , and increase juice yield.
4. Add bentonite for clarification after filtration , brew for about 1 month ,
and put the wine in a bottle.
5. store the wine in a cool place after bottling.
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