Wine Manufacturing Process

By Paul Cris

Wine is a product made from fruits like grapes, berries etc by drying them and later fermenting them. When the grapes ferment the sugar in the grapes convert to alcohol. They are available in various colors and textures depending upon the elements present in them. For example, the wine exhibits a reddish color when the seeds and the skin of the grapes are present during the fermentation process. When it is fermented without any quantity of non-juicy parts they turn pinkish.

The three main categories in wine are fortified wine, sparkling wine or table wine. It is known as a fortified wine when a little brandy is added to enrich the alcoholic content. It is termed as still or sparkling depending upon the CO2 quantity. Table wine is available in a very natural form and is not like the other wine.

Grapes are usually the best ingredients used in the preparation of wine. There is an equal proportion of sugar and acid in them, which cannot be found in any other fruit. High temperature heat is required to dry away the grapes. You must have a thorough knowledge regarding the exact harvesting season. If the harvesting is delayed you may not be able to produce a good quality wine because the level of sugar increases and the acidic extent gets too low.

At the initial stage of processing, the grapes are crushed using a large cylindrical container that inflates the juicy part of the grapes in the large bags that are attached. They are then fermented by heating the juicy part. In the process of heating the yeast that is present helps converting the sugar into alcohol and carbon dioxide. Sometimes this solution requires fermentation for the second time due to malic acid present. When the malic acid breaks downs into lactic acid and carbon dioxide, it adds a new buttery flavor to the wine.

The next step carried out is to settle all the particles like yeast cells, or any other material flowing on the top layer. It is then filtered and all the sediments are gathered on the filter. Winery aging is the process where the wine is tightly packed in containers not allowing the air to enter in them for nearly several months and sometimes years. The wine is then transferred in small bottles and sold.

Bottling is done in such a way that it becomes easy to identify the various types of wine. Also colored bottles reduce the chances of damage, oxidation and many other risks.

After buying a wine product it is important to store it in a right place. Usually damp and cool places like underground cellars are more appropriate. There are some underlying principles regarding the storage of wine. It should be stored in a cellar at a temperature of about 55 degrees Fahrenheit. If the temperature fluctuates it will harm the quality of wine. Humidity about 60 % is necessary to keep the cork moist. Low temperatures will slow the process. Wine should be kept away from external sources like light, vibration and strong odors, which are obviously the barriers to the formation of a good quality wine.

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