2, flavonoids are mainly used in the treatment of human diseases, specifically applied in the following areas:

a) cardiovascular disease.

It can treat coronary heart disease, angina pectoris, hyperlipidemia and reduce plasma specific viscosity, improve the left heart function, hypertension, tachyarrhythmia and other aspects, and flavonoids also have the role of heart protection.

b) Liver diseases.

It has good therapeutic effect on toxic liver damage, acute and chronic hepatitis, cirrhosis, etc.

c)Anti-inflammatory effect and enhancement of immunity.

It has a certain anti-cancer effect and can be used for adjuvant treatment of malignant tumors during radiotherapy and chemotherapy.

d) Estrogen-like effect.

It has a significant effect on the thymus, spleen, uterus, vagina, mammary glands to promote their development. It can treat infertility, lack of affection and breastlessness.

e) Antibacterial and antiviral effects.

f)Anti-free radical and antioxidant effects.

g)Other effects.

Cough, expectorant and asthma, etc.

3. Distribution of flavonoids.

Flavonoids are widely distributed in the plant kingdom, and even in the human daily life used in grains and cereals, vegetables, and fruits have a considerable content, not to mention.

Finally, flavonoids are found in ginkgo biloba, propolis, and placenta.

It should be noted that:

Flavonoids can be toxic if over-absorbed, so don't supplement with them on purpose.