1 Selection of grape varieties of different wine quality: quality wine is wine grapes, the grapes grown in the north and South Hemisphere wine belt, a year of harvest time, thick, juicy, pulp is little, small particles. Wine grape cultivation in foreign countries is protected by law, if this year by insects or drought, the government does not ordered watering or playing pesticides, so the manor is not the right to do so, if it is their own responsibility, in violation of the provisions, then 5 years here can’t use AOC. AOC is a French wine top, to docg control named. Wine with the grape tree can not irrigate, and like to grow in a barren land, grape root will tie into the soil, the 15-20 cm water suction feeding, this grape has rich nutrition. Inferior wine: edible grape grows in subtropical and temperate, a year can have 1-3 crop. Born of flesh fertilizer is juicy and thin small seeds, good taste, its physiological state and wine grape from. Edible grape tree life in general in the 10-30 years. Need business watering, grape root will transverse development, water more, suck raise less. Edible grape wine would produce unacceptable special odor.
2 brewing process quality wine: wine is the only natural fermentation liquor, he doesn’t need to rely on outside force will be able to ferment into wine, as wine fine up to certain degree, the natural fermentation of natural stop. Alcohol in wine are all from the grape sugar conversion, so do not need to add sugar and alcohol. Inferior wine: because of inferior wine edible grapes, so sugar degree is low, need to manually add sugar or alcohol, so that it will be in wine drinking after leaving fusel, easy top.
3 years of quality wine: wine bottles are marked on the year refers to the grape harvest year, every year the harvest grape is limited, so wine is limited. If this year’s wines are sold out, then it will not buy the wine. Inferior inferior wine: wine are marked on the year and has become one of the wine’s name, for example * * 1999, said the wine ‘s name is * * 1999, not 1999 picking grapes.
4: ice wine quality wine import wine with the grape is naturally frozen, the brewing process is in control at 8 degrees below zero. Inferior inferior wine: wine with the grape is artificial freezing.
5 differential quality wine: the wine quality drop to a napkin, wine is very scattered traces are known, then the wine does not add any other things ( water, alcohol, etc.). The inferior inferior wine: wine of a drop on a napkin, will see the middle a little red, to the outside of the color gradually becomes shallow, the outer most layer can see watermark.