Health

Antioxidants and their role in the human body.

Antioxidants protect the body from free radicals that cause aging and cell breakdown, which reduces the possibility of many diseases, the most important of which is cancer.

Antioxidants are useful compounds for all parts of the body, hair and skin that protect cells from harmful free radicals, which are a natural product of metabolism, and the immune system uses them to eliminate bacteria.When free radicals or electrolytes exceed the available level of antioxidants, the chances of cells suffering from oxidative stress, which in exacerbated cases will lead to cell death, as free radicals play a major role in premature aging and the incidence of some diseases such as cancer, heart disease, weakness. Vision and other diseases, and this proves the body’s need as a whole for antioxidants.

The most important types of antioxidants.

Antioxidants are divided into two types:

▪️ Soluble in water: It is absorbed and performed inside the cells.

▪️ Fat soluble: they are assimilated into the cell wall and affect it.

The most important benefits that antioxidants provide to the skin.

1- It protects the skin from damage due to exposure to sunlight.

The antioxidants ensure that the skin is protected during exposure to the sun. Skin care products such as sunscreen, lotion and sprays cover the skin from the outside, while antioxidants provide the skin cells with protection internally. In so doing, it helps protect the skin from damage during exposure to the sun.

2- Helps fight wrinkles.

Vitamins such as vitamin C and vitamin E are important sources of antioxidants, which also stimulate cell growth, especially skin cells, as they are constantly renewed, forming layers of dead skin cells. In doing so, the antioxidants help to regenerate the skin’s cells and maintain its vitality.

It is also important to know that antioxidants will not prevent wrinkles from appearing permanently, as wrinkles are part of the aging process and it is normal. But antioxidants may slow down their growth and delay their onset.

3. Heal infections.

There is a certain type of antioxidant that is found in green tea that is known to speed up the metabolism process and increase blood flow within the cells of the body. This property also helps to heal infections. It helps treat acne.

4. Reducing the size of pores.

By improving skin health and rejuvenating it, antioxidants greatly help shrink pores and tighten skin. Many moisturizing creams and skin care products contain antioxidants, especially those concerned with anti-aging.

5. Reduces the appearance of scars.

Antioxidants are known for their ability to repair cells, and they also aid in tissue growth, which helps increase blood flow to the areas of scars that are stiffer than normal skin tissue. In this way, the antioxidants help reduce the appearance of scars on the skin and treat it.

What is the primary source of antioxidants?

Food is the main source of antioxidants, as excessive intake of antioxidants as a food supplement may harm health, so accuracy in choosing a food is important for the health of the body and skin together.The sources of antioxidants are varied, they are available in fresh fruits, vegetables, tea, nuts, grains and some types of poultry and fish … and specifically in:

1. Sources of Antioxidant – Vitamin A and Beta-carotene.

This vitamin helps rebuild skin tissue, and in the event of exposure to the sun, it replaces dark and damaged cells with new cells, and vitamin A also eliminates dark or brown spots that appear on your skin.

It helps fight wrinkles and signs of aging, and if your skin is dry, prone to cracking and there are acne, then that means you need vitamin A.

The most important natural sources of vitamin A:

▪️ dark green or yellow vegetables and fruits such as broccoli, spinach, carrots, sweet potatoes, cantaloupe, pumpkin, and apricots. It is also found in milk, cheese, and eggs.

2. Sources of Antioxidant – Vitamin C.

Taking or applying a vitamin C serum boosts the production of collagen fibers in the skin, which reduces the appearance of wrinkles and maintains youthful skin. Vitamin C helps neutralize free radicals that accelerate skin damage and also protects against aging caused by oxidation and skin damage caused by the sun. Vitamin C intake also increases the body’s production of ceramides and other fats, which automatically improves the skin’s barrier function and keeps moisture levels higher, resulting in smoother, more elastic skin that can better alleviate the manifestations of aging.

As for the most important natural sources of vitamin C:

▪️ kiwi, strawberries, watermelon, guava, orange, lemon, papaya, strawberry, grapefruit, and many vegetables contain vitamin C in large proportions, such as colored pepper, broccoli, cabbage, leafy greens, tomatoes, cucumber, sweet pepper, cabbage and vegetable oils

3. Sources of Antioxidant – Vitamin E.

A wonderful antioxidant, as it eliminates dark spots or brown spots or pigmentations that appear on your skin, and it also works to rebuild skin tissues, and in the event of exposure to the sun, it greatly contributes to replacing dark and damaged cells with new, light and fresh cells. It also contributes to fighting wrinkles and signs of aging, and the most important symptom of its lack of skin is that your skin is dry and prone to cracking and there is acne.

As for the most important natural sources of vitamin E:

▪️ grains, legumes, and leafy vegetables, in addition to nuts, as well as dark vegetables such as broccoli, spinach, or orange such as carrots, sweet potatoes, cantaloupe, pumpkin, and apricots. It is also found in milk, cheese, and eggs.

4. Sources of antioxidants – polyphenols.

Polyphenols, are aromatic organic compounds consisting of one or more phenyl rings bonded to a hydroxyl molecule; These substances are naturally found as secondary plant materials. These polyphenols in plants create color, taste and aroma. It is also found in tannins (tanning material).Polyphenols protect plants from insects and also attract beneficial insects, especially bees, for the purpose of transporting pollen and fertilization.The polyphenols protect the plant from the effects of oxidation by acting as antioxidants. It also protects the plant from harmful ultraviolet rays during photosynthesis, so it has proven effective in protecting the skin as well.

The most important sources of polyphenols are:

▪️ green tea, mate, pine nuts, acai, pomegranate, wheat, willow, citrus peels, and grapes.

Balance antioxidants and free radicals.

Since we actually need free radicals and we also need antioxidants, like many things the solution lies in balance.When free radicals exceed the available level of antioxidants, cells are at risk of developing oxidative stress, which can lead to cell death.

Excessive intake of antioxidants can lead to toxic effects and symptoms on the body, and it can also trigger oxidative stress.

Triggers of oxidative stress and the need for antioxidants.

Some general behaviors and conditions can increase oxidative stress and thus the need for antioxidants:

▪️ air pollution.

▪️ cigarette smoke.

▪️ Alcohol consumption.

▪️ Drug consumption.

▪️ High blood sugar levels.

▪️ Consuming unsaturated fats.

▪️ Exposure to the rays, such as sunbathing.

▪️ Viruses, infections and diseases.

▪️ Excessive intake of iron, magnesium, copper, and zinc.

▪️ Insufficient or excessive oxygen in the body.

▪️ Exercising intense and strenuous exercise that leads to tissue damage.

▪️ Excessive intake of antioxidants such as vitamins.

▪️ Lack of antioxidants.

References :

مصادر مضادات الأكسدة للبشرة من الطبيعة/ https://www.bashartek.com5

فوائد لمضادات الأكسدة في حماية البشرة/ https://hayatouki-com

مضادات الأكسدة: ما هي وما دورها في جسمك؟/www.webteb.com

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