How to keep guacamole from oxidizing and turning dark

Guacamole is a cold sauce that is prepared with mashed avocadoto which is added onion, tomato, serrano pepper and coriander. This preparation is typical in Mexican gastronomy as a complement to tacos, tostadas and corn tortillas or nachos, although today it is enjoyed in a wide variety of dishes.

In general, it is recommended consume the guacamole immediately after its preparation. This is because its main ingredient, avocado, oxidizes and takes on a slightly brown color.

The avocado turns dark due to an oxidation process. According to this, when we open the fruit, the part that is not consumed comes into contact with oxygen air and _with the action of enzymes called polyphenols_ reacts with a series of compounds (polyphenols) that turn the avocado pulp brown.

In any case, the consumption of oxidized avocado is harmless and should not be confused with a state of putrefaction.details the portal The Infinite Kitchen. In addition, there are some actions to preserve the green color of the avocado

One of the tricks is to fill a jar with cold water and place half of the fruit upside down, preferably with the seed. So no signs of oxidation will appear, for at least 48 hours. Then it should be closed well and stored in the refrigerator.

Another measure to maintain the greenery consists of covering the part that is no longer going to be used, with a transparent film paper. It must be ensured that it remains fully adhered to the surface susceptible to rust. After that, put it in the fridge.

Olive oil is also efficient as an oxygen barrier, indicates gastrolab. Ideally, put a little of this oil on the surface of the avocado so that it takes effect on it.

But also, if what you want is to maintain the greenness of the avocado prepared as guacamole and slow down the oxidation processit can be achieved in the following way:

• Place the guacamole sauce in an airtight container
• Add a little lukewarm water. Take into account the amount of water compared to the sauce; it should cover the entire diameter of the container.
• Cover the container and take it to refrigeration. When you want to consume it up to a maximum of three days, you will need to remove the water, which will probably have a brownish hue.

If you don’t want to add water, the alternative is to add lemon juice. In any case, with this option the guacamole will taste somewhat more acidic. (F)

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