Bioflavonoids are a class of antioxidant nutrients, sometimes referred to as “vitamin P”.
- 1 General characteristics
- 2 What is useful?
- 3 Representatives of the group
- 4 What is important to know about bioflavonoids
- 5 Application: daily allowances and recommendations
- 6 Sources of bioflavonoids
Strengthening the beneficial properties of vitamin C, bioflavonoids prevent the breakdown of ascorbinka in the body. Back in 1935, it was proved that the extract obtained from lemon peel is many times more effective against scurvy than pure vitamin C. And as early as next year it was discovered that citrine extract is a mixture of bioflavonoids. Today, many researchers and doctors believe that the consumption of these substances is good for blood vessels and as a remedy for cardiac diseases.
There are over 6 of thousands of natural flavonoids, to which various classifications apply.
The most common types of this substance are:
According to another classification, 4 categories of substance are distinguished:
- proanthocyanidins (found in many plants, in red wine, grape seeds, bark of seaside pine; the human body is affected multifunctionally);
- quercetin (the most active, serve as the basis for other flavonoids, useful for inflammation and allergies);
- citrus bioflavonoids (include rutin, quercetrin, hesperidin, naringin; used in the treatment of blood vessels);
- green tea polyphenols (anti-cancer agent).
Representatives of different types are slightly different in their structure, but the basic properties are common to all substances. All bioflavonoids usually play the role of anticarcinogenic substances, regulate hormonal levels, and strengthen bone tissue.
What is useful?
In their natural state, bioflavonoids, as a rule, are paired with ascorbic acid. And during the interaction, both substances enhance each other’s properties. When taking nutritional supplements, it is important to consider this. In addition, bioflavonoids are useful for humans as antioxidants, antiviral and anti-inflammatory drugs.
Bioflavonoids are found in high concentration in citrus peel, dogrose and black currant. In alternative medicine, these substances are used as a means to strengthen the immune system, as an enhancer of the action of ascorbic acid, as well as for the treatment of viruses, allergies, arthritis and inflammatory diseases.
Other benefits of bioflavonoids:
- important for the prevention of nasal and postpartum hemorrhage;
- prevent miscarriages at different stages of pregnancy;
- menstrual disorders are treated;
- protect against heart disease and cancer;
- prevent excessive blood clotting;
- reduce the level of cholesterol in the blood;
- prevent early aging;
- protect against infections;
- able to reduce pain;
- improve the performance of the liver and organs of vision;
- strengthen the walls of blood vessels.
Representatives of the group
Treats chronic venous insufficiency, glaucoma, hay fever, hemorrhoids, varicose veins, circulatory disorders, herpes, liver cirrhosis, stress, cataracts. Useful for rheumatoid diseases such as gout, arthritis, lupus erythematosus, spondylitis.
Contained in apricots, buckwheat, prunes, rosehips, the white part of the citrus peel, green pepper shifts.
Effective for the treatment of eye diseases such as cataracts, night blindness, diabetic retinopathy, macular dystrophy. Also useful for strengthening the walls of blood vessels, which helps prevent bruising, varicose veins, hemorrhoids. These bioflavonoids are useful for the prevention of osteoporosis, as they stabilize the amount of collagen, a protein important for bone health.
They also prevent the growth of cholesterol in the blood, the development of cardiac diseases and strokes. Anthocyanins and proanthocyanidins also act as vasodilators to prevent the formation of blood clots. Interestingly, proanthocyanidins are able to cross the blood-brain barrier to protect brain cells from free radicals and infectious diseases.
Contained in blueberries, cranberries, black and green tea, raspberries, grapes, eggplants, red cabbage, elderberry, red wine.
It is useful for women in the period of menopause, as well as effective in combating viruses that cause herpes, flu and some respiratory diseases. Helps to fight allergic reactions, swelling in the legs. The lack of a substance in the body is manifested by the fragility of blood vessels, pain in the arms and legs, leg cramps at night.
Contained in the pulp and peel of citrus fruits.
Included in the number of anti-cancer substances, in particular due to the ability to neutralize the action of carcinogens. Reduces the negative effects of certain harmful substances contained in tobacco smoke, as well as in processed meat products. Reduces the effect on the body of aflatoxins (carcinogens), which can cause serious liver disease and cancer.
Contained in strawberries, grapes, apples, cranberries, blackberries, walnuts.
An antihistamine that reduces the appearance of inflammation, hay fever, allergies, bursitis, gout, arthritis and asthma. It is important for liver detoxification and strengthening of blood vessels, useful for the treatment of atherosclerosis and lowering cholesterol. It is believed that quercetin reduces the risk of developing malignant tumors and stops the reproduction of bacteria harmful to the body.
Effective in the treatment of complications of diabetes associated with the functioning of the kidneys, nervous system and eyes. It also helps to affect the viruses of herpes, polio and Epstein-Barr virus, which causes mononucleosis.
Contained in green tea, onion scales, various types of cabbage, green beans, tomatoes, potatoes, lettuce, strawberries, cherries, grapes and other products.
Catechins and tannins
They help in the process of cleansing the liver, strengthen blood vessels, reduce the appearance of inflammatory reactions. Also belong to the substances inhibiting the growth of cancer cells. Prevent collagen breakdown. May be useful for treating hepatitis and arthritis.
Contained in green and black tea.
This natural flavonoid promotes quick and effective cleansing of the liver, strengthens the vascular system. Known as a remedy for cancer.
Contained in strawberries, leek, cabbage, broccoli, radish, beets.
Slows the progression of heart disease and ophthalmological problems that have appeared on the background of diabetes. A powerful anticoagulant that supports the health and strength of the arteries. It is an important substance for the prevention of strokes, heart attacks, blindness as a result of diabetes.
Contained in grapefruit (gives a bitter taste to the fruit).
Known flavonoid regulator of estrogen. It is believed that this substance can stop the development of cancer at different stages. Protects the cardiovascular system. It is useful for maintaining men’s health, as well as for women during menopause.
Contained in soy and products from it.
What is important to know about bioflavonoids
Today, in the era of the extreme popularity of dietary supplements and all kinds of “natural” medicines, the popularity of bioflavonoids, in particular as part of medicinal herbs, has also increased. Meanwhile, when buying a medicine of this type, it is important to know where the plants were collected, how environmentally friendly they are, and whether the drug contains harmful impurities.
In addition, “where do legs grow” from vitamin P, it is important to know who and when it may be necessary. And there may be several reasons for vitamin therapy. This includes stomach ulcers and vascular problems, all kinds of physical injuries and emotional disorders. In addition, it is desirable to “get hooked” on bioflavonoids in cold seasons, when the body most of all needs useful substances and support for immunity. There was a weakness of incomprehensible origin, joints hurt, bruises appeared on the skin (mainly at the point of hair growth) – a sure sign of R. hypovitaminosis
Application: daily allowances and recommendations
Bioflavonoids are found in large quantities in many fruits. A particularly high concentration of the substance is found in fresh products of plant origin, as well as fruit fresh juices.
Although the optimal daily intake of bioflavonoids is not defined. Some experts advise to enrich their daily menu with this useful substance in the amount of 2000-6000 mg. But in this case, only citrus fruits should be taken as a source, since they have very low toxicity. The daily amount of bioflavonoids derived from green tea polyphenols should not exceed 300-400 mg, from quercetin – 200-400 mg. For prophylactic purposes, proanthocyanicides are taken on 50 mg daily (for example, from grape seed extract), and the therapeutic rate is 150-300 mg per day.
Meanwhile, it is desirable to remember that some bioflavonoids, in particular from grapefruit juice, can affect the biological activity of some medications. For this reason, taking natural antioxidants and medicines, it is important to consult a doctor about the admissibility of such a combination. If this is not possible, then it is necessary to adhere to the instructions for use and not to exceed the recommended dose. It is important to drink all preparations based on bioflavonoids with plenty of pure water. Keep the substance better at room temperature, in a place protected from direct sunlight and moisture.
Researchers say that this substance is not toxic and will not cause harm even in high doses. Bioflavonoids are easily dissolved by water, and the excess is excreted in the urine. Meanwhile, do not recommend taking too large portions of bioflavonoids pregnant. It is believed that childhood leukemia can be caused by a high concentration of bioflavonoids in the mother. Also, in some cases, an overdose of a substance can cause allergic reactions in the form of urticaria, difficulty breathing, swelling of the face, lips, tongue or throat.
Sources of bioflavonoids
High concentration bioflavonoids are found in the pulp and peel of citrus fruits and other fruits that have vitamin C. They are also present in some types of vegetables (soybeans, root vegetables). Other sources are tea, flax seeds, and whole grains.
Bioflavonoids are an ingredient in many herbal medicines. In particular, large quantities are contained in pyrethrum, tansy, ginkgo biloba, licorice root, echinacea, and St. John’s wort.
Fresh fruits and vegetables are usually the best choice for obtaining large amounts of bioflavonoids. Meanwhile, it is important to know that after heat treatment, most of the useful elements are lost.
Most bioflavonoids contain:
- Bulgarian red pepper (according to some sources, contains 3 times more vitamin C than orange juice);
- fruits (citrus fruits: oranges, lemons, limes, as well as nectarines, peaches);
- Brussels sprouts;
- tropical fruits (mango, papaya);
And further. It is important to remember that the largest concentration of vitamin P is concentrated in the peel of fruits and berries. Exception – fruit with colored pulp. And by color you can understand what kind of flavonoid is contained in the product. So, red, violet, blue colors are anthocyanin, yellow, orange – flavones, chalcones, flavonols, aurons.
Bioflavonoids, like most other nutrients, help to keep hair and nails healthy, and skin toned and smooth. The beneficial effect of this substance is felt by the entire body. And the plus is that finding foods rich in vitamin P will not be a problem – they are everywhere, literally under our feet, since most plants are excellent sources of flavonoids.