The body's shield against external attacks
Antioxidants are molecules that fight free radicals in the body. Free radicals are compounds that can cause damage if their levels become too high in the body. They are linked to many diseases, such as diabetes, heart disease and cancer. The body has its own antioxidant defenses to keep free radicals in check, but we can also find them in food, especially in fruits, vegetables and other plant-based foods. , whole foods. Several vitamins, such as vitamins E and C, are equally effective antioxidants.
They can be characterized as water-soluble or fat-soluble. Water-soluble antioxidants perform their action in the liquid inside and outside the cells, while fat-soluble act mainly on cell membranes.
Important antioxidants are as follows:
- Vitamin C: This water-soluble antioxidant is an essential dietary nutrient.
- Vitamin E: This fat-soluble antioxidant plays a critical role in protecting cell membranes from oxidative stress damage.
- Flavonoids: This group of antioxidants has many beneficial effects on health.
Many antioxidants have other important functions. Notable examples are curcuminoids in curcumin and oleocanthal in extra virgin olive oil. These substances act as antioxidants, but also have a strong anti-inflammatory effect.