Homemade wine pasteurization

Homemade wine pasteurization

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Usually homemade wine keeps well at home. To do this, simply place it in a cool place. But what to do if you have prepared a lot of wine and simply do not have time to drink it in the near future. In this case, you will have to pasteurize the drink for better preservation. In this article we will look at how wine is pasteurized at home.

How to best preserve wine

The sugar in wine is an excellent breeding ground for many bacteria, it helps the wine to ferment. But at the same time, sugar can cause some unpleasant consequences. The wine can go bad or get sick.

The following diseases are most often observed in this drink:

  • rancidity, due to which the wine becomes cloudy and loses its original taste;
  • flower, which spoils the taste of the drink and forms a film on the surface;
  • obesity is a disease after which the wine becomes viscous;
  • acetic sourness is characterized by the appearance on the surface of the film and the appearance of a specific vinegar aftertaste;
  • turn, during which lactic acid decomposes.

To prevent these diseases, it is necessary to take a number of measures. There are three ways in which you can preserve the taste of wine for a long time. The first option is to add potassium pyrosulfate to wine. This additive is also called E-224. Along with it, alcohol is added to the wine, and then pasteurized. True, this option is not entirely desirable, since it is not environmentally friendly. This substance will kill all the beneficial properties of your drink.

The second option is more acceptable, and practically does not affect the taste of the wine. True, the wine will become noticeably stronger. So we will only consider the third option, which does not change the aroma or taste of the drink. It takes a little longer to pasteurize the wine, but the result is worth it.

Advice! The wine that will be used in the near future does not need to be pasteurized. You should select only those bottles that you definitely will not have time to open.

What is pasteurization

This method was invented by Louis Pasteur 200 years before our time. This wonderful method was named in honor of Louis. Pasteurization is used not only for wine preservation, but also for other products. It is in no way inferior to sterilization, it just differs in the technological process.

If water must be boiled during sterilization, then in this case it should be heated to a temperature in the range of 50-60 ° C. Then you just need to maintain this temperature regime for a long time. As you know, with prolonged heating, all microbes, spores of fungi and mold simply die. The main advantage of this method is that this temperature allows you to preserve the beneficial properties and vitamins in the wine. Sterilization completely destroys everything useful in the product.

Pasteurization methods

Let's also look at some of the more modern ways to pasteurize:

  1. The first one is also called instantaneous. It really takes very little time, or rather just a minute. The wine should be heated to 90 degrees and then quickly cooled to room temperature. Such a procedure is carried out using special equipment, so it will be difficult to repeat it at home. True, not everyone approves of this method. Some argue that it only spoils the taste of the wine. In addition, the wonderful aroma of the drink is lost. But not everyone pays attention to such statements, so many still use this method and are very pleased with the results.
  2. Those who are opposed to the first method usually use the method of long-term pasteurization of wine. In this case, the drink is heated to a temperature of 60 ° C. Moreover, the product heats up for a rather long time (about 40 minutes). It is very important that the initial temperature of the wine is no more than 10 ° C. Then this wine enters the pasteurizing apparatus and raises the temperature. Then this temperature is maintained for a long time. This method does not in any way affect the taste and aroma of the drink, and also retains almost all useful properties.


If your wine has been stored for some time, then it should be checked for film or cloudiness. Also, a sediment may form in such wine. If the drink has become cloudy, then it is first clarified, and only then you can proceed to pasteurization. If there is sediment, the wine must be drained and filtered. It is then poured into clean bottles.

Next, you need to prepare the necessary devices. The pasteurization process involves the use of a large saucepan or other container. A metal grate should be placed on the bottom. You will also need a thermometer with which we will determine the temperature of the water.

Attention! Bottles may remain sealed during pasteurization.

Wine pasteurization process

A large saucepan is placed on the stove, but the fire is not turned on yet. The first step is to put the grate on the bottom. Prepared bottles of wine are laid on top of it. Then water is poured into the pan, which should reach the necks of the filled bottles.

Now you can turn on the fire and watch the temperature change. Wait until the thermometer shows 55 ° C. At this point, the fire should be reduced. When the water heats up to 60 degrees, you will need to maintain this temperature for one hour. Even if you have large bottles, the pasteurization time does not change.

Important! If the water suddenly warms up to 70 ° C, then it is maintained much less (about 30 minutes).

To maintain the required temperature, you need to constantly add cold water to the pan. This is done in small portions. In this case, follow the indicators of the thermometer. Never pour water on the bottles themselves.

When the required time has passed, you will need to turn off the stove and cover the pan with a lid. In this form, it should be completely cooled. When the bottles are cool, they should be removed from the container and checked how well they are sealed. After pasteurization, no air should enter the bottle with wine. If the wine is badly closed, then, most likely, it will simply deteriorate and all your efforts will be in vain.


This article has shown that pasteurization of homemade wine is no more difficult than sterilization of other billets. If you make this drink yourself, then be sure to take care of its safety.

Watch the video: Episode 7 - Bottling and Pasteurizing (January 2023).

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