French wine four-level system: A, O, C-the name of origin to identify wine; V, D, Q, S-special alcoholic wines or top wines in a limited area; Wine de pease-local wine; VINS detaby table wine.
1. table wine: the lowest grade wine with an alcohol content of 8.5- 15 degrees, which can be mixed with European wines. Usually sold under the brand name.
2. Local wine: the quality is slightly better than table wine, and it can only be brewed with recognized grape varieties. Grape varieties used must be local products with place names on wine labels, with the place of origin as the trademark, and the alcohol content in the Mediterranean region is not less than 10 degrees, and that in other regions is not less than 9 degrees. Before leaving the factory, it must be evaluated by the evaluation Committee.
3. Specialty wines: Excellent local wines. The four letters V, D, Q and S are combined into a stamp-sized logo printed on the label. It is not an easy task to obtain this logo. Must meet the relevant requirements of legal norms.
4. Name of producer wine of origin: A, O and C methods for short, which protect the fine varieties of French wine and prevent counterfeiting. AOC method is very careful and the annual review is very strict. This is the best wine in France. AOC not only clearly marks the place names on the labels, but also prints the names of some provinces, counties and even villages. The smaller the area, the better the quality.
Red wine can protect the heart by significantly slowing down the accumulation of cholesterol in arterial wall, revealing the important role of red wine in preventing cardiovascular disease and stroke. It is undoubtedly good news for people who are obese, overweight, suffering from high blood pressure and hyperlipidemia.
The researchers pointed out that the above functions of red wine mainly play a role through antioxidant components such as resveratrol, flavonoid catechin and pentaerythritol.
The efficacy of wine:
Wine can prevent and treat colds.
So far, there is no good strategy for influenza in the world, because the influenza virus is resistant to most drugs.
But the study found that people who drink wine often seldom catch a cold. This phenomenon attracted attention, and they added red liquor and grape juice to the virus culture solution for experiments. The results showed that common cold viruses such as herpes simplex virus and coxsackie virus would lose their vitality in wine and juice, and the juice extracted from grape skin was the best.
Scientists believe that this is because grapes contain "phenol" compounds, which can form a thin film on the surface of the virus, making it difficult for it to enter human cells, thus achieving the effect of preventing and treating colds. Because "phenol" mainly exists in grape skins, drinking hot red wine when you have a cold can alleviate cold symptoms and prevent colds.
2. Wine and prevention and treatment of cardiovascular diseases
Proanthocyanidins in wine can stably form collagen fibers of various membranes and inhibit histidine decarboxylation. , avoid? Produce too much ammonia, reduce the permeability of blood vessel wall and prevent arteriosclerosis.
In addition, the risk of death from proanthocyanidin infarction. According to the statistics of the American Medical Research Association, French and Italians who like to drink low-alcohol wine have the lowest death rate from heart disease, while Americans and Finns who drink more and drink less have a high death rate from heart disease.
References:
Baidu Encyclopedia _ The Efficacy of Wine