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Extra Virgin Olive Oil: Benefits, Properties and Nutritional Composition

Author: Jennifer Elizabeth Escobar Sierra

Nutritionist specialising in sports nutrition, endocrinology and clinical nutrition across all stages of life.

wood board with bread, oil, olives, and tomatoes

Extra virgin olive oil is one of the most extensively researched foods in nutrition science and a cornerstone of the Mediterranean diet. Its health benefits are widely recognised, particularly for cardiovascular and metabolic health, as well as improved post-exercise recovery.

From a clinical nutrition, endocrinology and sports nutrition perspective, extra virgin olive oil stands out for its unique composition. It is rich in monounsaturated fats and contains powerful antioxidants, particularly olive oil polyphenols, known for their anti-inflammatory and cardiometabolic properties.

What is Extra Virgin Olive Oil?

Extra virgin olive oil is obtained directly from olives through purely mechanical processes, without the use of chemicals or refining.
To be classified as extra virgin, it must meet strict European standards, including:

  • Acidity equal to or below 0.8%,
  • No sensory defects,
  • Chemical parameters within regulated limits.

This production method preserves the bioactive compounds naturally present in olives. Organic production practices can further influence the quality of extra virgin olive oil.

Nutritional Composition of Extra Virgin Olive Oil

Olive oil is composed almost entirely of fats. However, its nutritional values and lipid profile differ significantly from that of other dietary fats.

Monounsaturated Fatty Acids

The primary component of olive oil is oleic acid, a monounsaturated omega-9 fatty acid. This type of fat is widely recognised for its role in a balanced diet, and its high concentration in extra virgin olive oil has been associated with key olive oil health benefits, including:

  • Improved lipid profile, promoting higher HDL (“good”) cholesterol and lower LDL (“bad”) cholesterol,
  • Reduced oxidised LDL cholesterol, a key factor in the development of atherosclerosis,
  • Greater resistance to oxidation, helping both to preserve the oil and protect cellular membranes.

Polyphenols and Antioxidants in Extra Virgin Olive Oil

Extra virgin olive oil contains bioactive compounds known as polyphenols. These contribute to gut health through a prebiotic effect and help regulate oxidative and inflammatory processes, reinforcing the antioxidant properties of olive oil.

Among the most studied phenolic compounds are:

  • Hydroxytyrosol.
  • Tyrosol.
  • Oleuropein.

Vitamin E and Antioxidant Function

Olive oil is a source of vitamin E, a fat-soluble antioxidant that helps protect cells from oxidative damage and supports the overall nutritional profile of extra virgin olive oil.

What Are the Health Benefits of Extra Virgin Olive Oil?

Cardiovascular Benefits of Olive Oil

One of the most well-documented benefits of extra virgin olive oil is its positive impact on heart health. Research from the PREDIMED study demonstrated that a Mediterranean diet rich in extra virgin olive oil is associated with a significant reduction in cardiovascular events. Key mechanisms include:

  • Reduced inflammation,
  • Improved lipid profile,
  • Protection of vascular endothelium.

Reduction of Oxidative Stress

The antioxidants found in olive oil help combat oxidative stress, protecting cells from damage caused by free radicals.

Metabolic and Endocrine Effects

Regular consumption of extra virgin olive oil has also been linked to several metabolic benefits, including:

  • Improved insulin sensitivity,
  • Better regulation of lipid metabolism,
  • Reduced inflammatory markers.

Extra Virgin Olive Oil in Sports Nutrition

Monounsaturated fats can play a valuable role in a balanced nutritional strategy for athletes. Olive oil provides:

  • Sustained energy release,
  • Reduced post-exercise inflammation,
  • Enhanced recovery support.

How to Use Extra Virgin Olive Oil Daily?

Use Extra Virgin Olive Oil Raw: Benefits and Tips

Using extra virgin olive oil raw helps preserve its polyphenols and antioxidant properties. Here are some refined ways to use Molisìr’s extra virgin olive oil in your daily diet:

  • Drizzle over raw or cooked vegetables,
  • Add to legumes, soups and purées,
  • Enhance fish or meat dishes,
  • Serve over wholegrain bread or toast,
  • Blend into hummus, guacamole or vegetable pâtés.

It is particularly beneficial in complete salads, as it improves the absorption of fat-soluble vitamins (A, D, E and K) and carotenoids.

Cooking with Extra Virgin Olive Oil: Stability and Uses

Thanks to its high oleic acid content and antioxidant profile, extra virgin olive oil is relatively stable at cooking temperatures. This makes it suitable for cooking with extra virgin olive oil in a wide variety of applications:

  • Light sautéing,
  • Browning vegetables,
  • Cooking eggs,
  • Stews and braised dishes,
  • Oven-baked vegetables or fish.

Extra virgin olive oil remains one of the most studied foods in modern nutrition. Its unique combination of monounsaturated fats, antioxidants and bioactive compounds makes it a product of exceptional nutritional value and a key element of a healthy diet.

Beth is a dietitian with a strong passion for nutrition and sport. Through tailored nutritional plans, she supports her clients in improving their health and overall wellbeing through a balanced, sustainable and wholesome diet.

Discover more: https://nutribeth.com/

Bibliography

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