How to brew sweet wine?

If want to produce liqueur, first condition is to achieve a very mature and sweetness of high grapes, and grape farmers will certainly seem to make the grapes increase sweetness. To achieve high the juice sweetness can generally be from two aspects to lay their hands on the: grape harvest in the harvest in the vineyard before and planting methods, and grapes after harvest in some of the brewery wine making techniques of adjustment. From the vineyards there are several harvest and planting mode:

1, your corruption bacteria (Botrytis Cinerea) : this kind of mold will spread in grape skins, the inside of the grapes gradually moisture sucked, leave the grape juice concentrated in the grape. Only in a bacterium only in warm and wet areas will multiply rapidly, and in order to harvest the grapes to good harvest with artificial a a exploitation, very fee kung fu. In this way get out of the wine grapes and called your corruption wine.

2, freezing method: the ripe grapes left to a grapevine until winter frozen on only after harvest, harvest the grapes for water is frozen, so use this grape squeezing out of the fruit of the vine is very thick sweetness is high. In this way the wine brewing out called ice grape wine.

3, dry method: in grape is about to mature in grape vines stems and when the connection place to can not enter the water bending to the grapes, so can make of grapes juice become strong. In this way the brewery has now been very few, but 18 th century France at first, in large area use this way kind of grapes but very popular. It is said that 18 th century South Africa's liqueur Vin DE Constance brewing in the use of the grapes were obtained by this method.

After the grapes were 3) harvested in the brewery also can use some wine making techniques make juice to become strong. For example:

1, artificial freezing method: use frozen method to the harvest of logic like grapes into frozen garage, frozen again after pressing grape juice.

2, artificial spread bacteria law: the harvest the grapes to control in a house with your corruption bacteria spores, a two weeks after grapes will be like got your rot of bacteria vine and squeezing out smaller sauce become thick.

3, straw method: the harvest the grapes on the straw in or wood plate use the sun to the inside of the grape water evaporate, or is in the house the grapes hang eaves let grapes Yin to dry. In this way of grapes out of the wine has also known as straw wine (also have said that this wine is called the straw wine). (French call vin DE Paille, Italian called Passito, German call Strohwein).

In addition in the grape juice is also have to have some way to increase after the sweetness of grape juice. For example:

1, the use of infiltration pressure (Osmotic concentration), put the fruit of the vine part of the moisture separated out, make the fruit of the vine become strong.

2, use the whole bucket freezer unit after the juice to squeeze out the frozen ice the concentrated juice or removed.