Olive oil as a natural preservative: benefits and properties
Did you know that olive oil has been used for centuries as a Natural and effective method of preserving food? And it is that this essential ingredient of the Mediterranean diet is not only an excellent natural preservative, but also provides health benefits.
the tradition of Use olive oil as a natural preservative It dates back to antiquity, where its protective properties and its ability to extend the life of food without losing quality were already appreciated. Furthermore, if a high-quality product is used, such as a Extra Virgin Olive Oil (EVEO), you can even improve the taste of food.
As you can see, preserving food in olive oil is much more than just a culinary technique. It is a practice that combines tradition, health and sustainability, offering a Natural way to extend the shelf life of food No need to resort to chemical additives.
In this post, we tell you all the benefits of oil to preserve food, as well as the types of products that you can keep in oil. We will also talk about the different ways of preserving food in olive oil and their durability. Don’t miss it!
Why is oil used to preserve food?
What makes olive oil an exceptional preservative is mainly its Composition rich in natural antioxidants, such as polyphenols and vitamin E. These substances not only fight free radicals, delaying the deterioration of food, but also act as a barrier against microorganisms and bacteria.
In addition, olive oil creates a layer around the food that prevents the passage of oxygen and moisture, protecting them from the rot process and preventing the formation of mold.
These features ensure that food Maintain its freshness and its nutritional properties For longer, turning olive oil into an exceptional food. That’s why it’s our favourite!
Benefits of preserving food in olive oil
As you can imagine, keeping food in vegetable oil provides several benefits. Do you want to meet them?
- Increased shelf life of food: EVOO acts as a protective barrier that prevents the contact of products with air and moisture, reducing the proliferation of microorganisms and delaying their deterioration.
- Oxidation prevention: The aforementioned natural antioxidants of the oil (polyphenols and vitamin E) prevent the oxidation of food, maintaining its freshness, taste and nutritional quality for a longer time.
- Antimicrobial properties: Olive oil has compounds that inhibit the growth of bacteria and fungi, making it an effective natural preservative without the need for artificial chemicals.
- Taste enrichment: Thanks to the powerful flavor of the EVOO, the foods acquire nuances of the product itself, improving its flavor and aroma.
- Health benefits: Foods preserved in olive oil are impregnated with their nutrients and benefit from their properties, providing positive effects for the heart and the immune system and preventing against neurodegenerative diseases such as Alzheimer’s.
- Culinary versatility: The oil allows you to preserve a wide variety of foods, such as cheeses, vegetables and fish, which can later be used in recipes without the need for additional cooking.
- Natural and Sustainable Practice: Using olive oil to preserve food is a natural and ecological technique that does not require chemical additives, which makes it a sustainable and healthy option.
Types of food we can keep in oil
Let us now see what types of foods can be preserved in EVOO. The truth is that the list is quite long, so let’s give some examples:
- Vegetables They are one of the most popular options thanks to how well the oil combines with its flavor and texture. Some examples are dried tomatoes, peppers, artichokes or eggplant.
- Cheeses: If you’ve never tried a cheese in oil, it’s time! The EVOO enhances the flavor of the cheese and makes it an even greater delight. You can opt for strong cheeses like goat cheese or softer cheeses like mozzarella or feta cheese.
- FISH: Another of the alternatives that we usually see more frequently, especially anchovies or tuna.
- Herbs and spices: These products gain in aroma and flavor when preserved in oil. Spices such as rosemary, basil or thyme are perfect for aromatizing oils, while others such as chilli or garlic preserve and intensify their flavor.
These are just a few examples, but there are many other foods that you can keep in oil to extend their shelf life. A good idea may be to buy your favorite seasonal foods and keep them in oil to be able to consume them at any time, have you thought about it? Well now you can try it!
Ways to preserve food in olive oil
Now that you know the benefits of olive oil as a preservative and the amount of food with which you can use it, we are going to get into the matter. How are foods preserved in EVOO?
There are different techniques that you can use at home, although each one is more appropriate for certain foods. We tell you!
- Oil bath: Let’s start with the simplest technique, and it is that the oil bath only consists of immersing the food in olive oil, although it must be previously cooked. It is usually used with vegetables.
- pickle: Surely you know it, because it is one of the most used methods. It is about cooking food before immersing them in a mixture of olive oil, vinegar, salt and spices. It is ideal for meat and fish, but vegetables should be avoided because they can ferment.
- Marinated: In this case, the foods are soaked in a mixture of spices, herbs, garlic and sometimes, vinegar or lemon juice, and then preserve them in oil. It is a very popular method for meats, fish and cheeses, since it manages to give a more intense flavor.
- confit: The food is cooked at a low temperature in olive oil and then it is preserved in that same oil. Instead of oil, you can also use fat to cook it. It is a perfect technique for meats such as duck and fish such as cod, leaving food tender and juicy.
- Infused oils: This method consists of adding fresh herbs, spices or garlic to EVOO and then immersing food. It is usually used a lot with cheeses and olives, providing them with an aromatic touch.
How long does a food preserved with olive oil last?
And, finally, the million dollar question: How long do preserved foods in EVOO last?
The duration of the food depends on the type of ingredient and the storage conditions, but generally It is advisable to consume them within 12 months. To make sure that you don’t spend the time recommended, it may be a good idea to label the different canning cans with their brew date. Once the preserve is opened, you should eat it in about two or three days.
Furthermore, it is desirable that Store preserves in a cool, dry place and protected from direct light, below 27ºC if possible, since they are the best conditions for EVOO to maintain its properties.
You see that Preserving food in olive oil is simple, economical and ecological, all advantages! But if you want to optimize the flavor of the products and get the most out of your preserves, we recommend you bet on A quality olive oil, like the Aragonese EVOO that we produce in Beloleum for more than 150 years. If you haven’t tried it yet, now is the time!
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