What is the reason for the hairiness of homemade wine

summary

The method of self-made wine attracts the attention of consumers. There are many methods of self-made wine on the Internet. Many people just look at the steps of self-made wine on the Internet. However, many self brewed wine lovers will find that wine grows hairy in the process of brewing, so what's the reason for the hairiness of self brewed wine.

What is the reason for the hairiness of homemade wine

First, because the grape skin is exposed to the air for a long time, bacteria grow too fast, leading to mildew. Treatment: remove the moldy peel, pay attention not to contact with wine, after cleaning, stir 1 to 2 times a day, let the peel keep moist, only to fermentation.

Second: may be in contact with the oil in the brewing process, or the container is not clean, leading to mildew, treatment method: after removing the moldy, do not shake the top layer of wine to remove! After 2 days of observation, you can continue to ferment without further mildew, if you get moldy again, then declare the failure of self brewing.

Third: fungus expert Han Shenghua pointed out that the traditional wine brewing is the use of natural fermentation process. The so-called natural fermentation refers to the grape broken into the tank, do not artificially add any bacteria, rely on the grape itself to carry the natural yeast.

matters needing attention

It propagates spontaneously in grape juice and finally ferments into wine. Grape hairiness in wine is the result of another bacterium's vigorous metabolism under aerobic conditions, which is often caused by too much water when the bottle stopper is not tightly closed or grapes are put into the bottle.