How to identify the authenticity of wine

How to identify the authenticity of wine. With the improvement of people’s living standards, wine is becoming more and more popular among the public, so the sales volume of wine is also As the wine gets better and better, some counterfeit wines have also surfaced. Drinking fake wine is very harmful to people's health, so how to identify the authenticity of wine? How to identify the authenticity of wine 1

First, look at the wine label to distinguish between original wine and semi-juice wine. It is impossible and absolutely not allowed to add ingredients such as white sugar or potassium sorbate to wine with 100% original juice content. It should be said that nothing can be added to full juice wine.

If white sugar is added to whole wine, its alcohol content will increase; potassium sorbate cannot be added because potassium sorbate is a preservative and a chemical substance that is added to full wine. It will destroy the components of the wine, thereby affecting the quality of the wine. If a red wine is labeled as containing whole grape juice, white sugar, and potassium sorbate, it should undoubtedly be a half-juice wine.

Second, look at the appearance of the wine. You should choose a wine that has a clear, transparent and shiny appearance, a color consistent with the name of the wine, a natural and pleasing color; a balanced, harmonious and integrated aroma, an elegant and pleasant aroma; a comfortable, pleasant and soft taste, and a full and complete wine body. A wine with a long aftertaste.

If it is turbid and dull, the color does not match the name of the wine, there is no natural feeling, the color is bright, there is an obvious sense of artificial coloring, there is a prominent and violent fruit aroma, a prominent alcohol smell, other odors, or there is Do not buy wine that has an unusual odor, prominent aroma, is thin in body, or has no aftertaste.

Third, another way to identify real and fake wine is to add hydrochloric acid and sodium hydroxide to the wine. The color of high-quality wine will become darker when exposed to acid, but the color will return to its original state after adding alkali. Inferior wine will not change color even if acid or alkali is added. If you don’t have acid or alkali at home, you can use white vinegar and edible alkali instead. How to identify the authenticity of wine 2

Eight things to look for without opening the bottle

1. Look at the gift box packaging: Original wines are imported by the box, without any gift box packaging. The carton and wooden box packaging on the domestic market are customized by domestic sellers to adapt to China's national conditions.

2. Look at the unit of measurement: the capacity of imported wines on the wine label is always marked 75cl instead of 750ml. "cl" is deciliter. If it is marked "ml" milliliter, it is an imported can. Bottled or counterfeit imported red wine.

3. Look at the numbers on the bottle: There are convex and convex marks on the bottom of the bottle or the lower end of the bottle of imported wine, indicating the capacity and bottle diameter.

4. Look at the date marking: The production date marking method of imported wine is very special. For example, the general labeling method for French red wine is: L7296A0611:58. L7 represents 2007, 296 represents the 296th filling day starting from New Year's Day in French time, A06 represents the production line number, and 11:58 is the precise filling time of that day.

5. Look at the beginning of the barcode: There will be an international barcode on the back of the original imported wine. The first number of the barcode represents different countries. For example, the United States is 0, France is 3, China is 6, Chile is 7, Spain is 8, and Australia is 9.

6. Look at the front and back wine labels: Customs regulations require that in addition to the front label with the importing country’s text on the front of the bottle, imported wine must also have a Chinese back label on the back. If there is no Formal Chinese back labels must have come in through unclear channels.

7. Look at the customs declaration documents: Original imported wines have import customs declaration forms. Of course, the import price displayed on the customs declaration form is a trade secret. Importers usually hide the price when presenting the customs declaration form to consumers.

8. Check the tightness of the wine seal: The wine seal on the original imported wine cork can be rotated. The sealing performance of the imported wine cork is absolutely reliable. The wine seal with the brand logo is just a kind of identification. Symbol, is not meant to be sealed and therefore can be turned. Some producers of fake or inferior wine are worried that the wine cork will leak if it is not properly sealed, so they seal the wine.

Five tips for opening a bottle and inspecting wine

1. Look at the wine: Check whether the color of the wine is natural and whether there are any unknown suspended solids on the wine. When the quality of the wine deteriorates, the color will appear cloudy.

2. Look at the wine cork: Open the wine bottle and see if the text on the cork is the same as the text on the bottle label. In France, wine bottles and wine stoppers are exclusive.

3. Smell the wine: The aroma of the wine is a very good indicator when tasting wine. Good red wine has a very complex smell and will not be mixed with bad smells or strange flavors. If the red wine has a pungent smell like nail polish, it is spoiled or fake.

4. Taste test: Take the first sip of wine. When the wine passes through the throat, normal wine will be smooth, while problem wine will have a stimulating sensation.

5. Look at the pigment: Take a clean white napkin and lay it on the table, shake the bottle a few times, and then pour a little wine on the paper. If the red color of the wine cannot be evenly distributed on the paper, or there is sediment on the paper, it is a pigmented wine. How to identify the authenticity of wine 3

How to identify the quality of wine

The quality of wine can be distinguished by the appearance, aroma and taste of the wine. Good wine has clear liquid, rich aroma, smooth entrance and rich layers; bad wine has turbid liquid, pungent and unpleasant taste, heavy alcohol taste and irritates the throat.

To judge whether a bottle of wine is good or bad, you must first learn to taste wine. If you don’t taste wine, you won’t be able to taste the best taste of wine. Before we delve into identifying wine flavors by smell, taste, and appearance, it’s important to understand where these flavors come from.

First, you must realize that the flavor of wine comes from its aromatic compounds. This means that when you smell wine, the alcohol evaporates into the air and carries these aromatic compounds to your nose. Every wine contains hundreds of aromatic compounds that affect your senses of smell and taste.

Look

The appearance of the wine should be clear and transparent (dark-colored wine can be opaque), shiny, and its color should match the name of the wine. , the color is natural and pleasing to the eye; while the wine of poor quality is either turbid and dull, or the color does not match the wine name and has no natural feeling, or the color is bright and has obvious artificial pigmentation.

Smell

Wine is a fermented product. Its aroma should be the fruity aroma of grapes, the aroma of fermented wine, and the mellow aroma of aging. These aromas should be balanced, harmonious, and integrated. As a whole, the aroma is elegant and pleasant, while poor quality wine does not have the above characteristics, or has a prominent and violent fruit aroma (plus essence), or a prominent alcohol smell, or has other peculiar smells.

Tasting

The taste of any good wine should be comfortable and pleasant, the various aromas should be delicate and soft, the wine should be full and complete, with a sense of layering and structure, and a long aftertaste. ; On the other hand, poor-quality wine may have an odor or prominent aroma, or may have a thin body with no layering, or may have no aftertaste.