Quercetin

What is Quercetin?

Quercetin Powder is a flavonol compound widely distributed in the plant kingdom and has a variety of biological activities. Quercetin can resist free radicals, complex or trap free radicals, and prevent lipid peroxidation.

What are the benefits of quercetin for the human body?

1.Anti-oxidation

Quercetin Powder is not only involved in anti-oxidation in vitro and can inhibit DNA oxidative damage, but also protects tissues from oxidative damage by reducing the concentration of peroxides in tissues in the body.

2.Protect the cardiovascular system

Dilate blood vessels, lower blood pressure, reduce myocardial hypertrophy; inhibit the proliferation and hypertrophy of vascular smooth muscle cells; anti-thrombosis.

3.Anti-inflammatory

Quercetin has an inhibitory effect on the inflammatory response caused by LPS

4.Antibacterial

Quercetin is also a broad-spectrum antibacterial substance, which can be used to prevent and treat various bacterial infections

What are the application directions of quercetin?

1.Quercetin Powder applied in food field, it is mainly used in kinds of beverage, liquor and foods to enhance human immunity and anti-aging.

2. Used in the field of health products, it has a good effect on protecting the cardiovascular system

What other plants is quercetin found in?

Quercetin Powder is widely present in the stem bark, flowers, leaves, buds, seeds and fruits of many plants, mostly in the form of glycosides, such as rutin, quercetin, hyperoside, etc. Quercetin can be obtained by acid hydrolysis Cortex. Among them, the content of buckwheat stems and leaves, sea buckthorn, hawthorn, and onion is higher. Quercetin is also found in many foods, such as onions, shallots, asparagus, cabbage, mustard greens, green peppers, chicory, grapefruit, lettuce, hawthorn, apples, mangoes, plums, radishes, blackcurrants, potatoes and spinach, etc. . In addition, there are more than 100 kinds of medicinal plants (such as Sophora japonica, Platycladus orientalis, galangal, coltsfoot, Morus alba, Panax notoginseng, Ginkgo biloba, elderberry, etc.) all contain this ingredient.

Quercetin Content In Various Fruits And Vegetables

Research on the content of quercetin in tea, fruit juice and wine has shown that the content of quercetin in some beverages (such as beer, coffee, chocolate milk, white wine) is below 1 mg/L, while the content of quercetin in red wine is 4~16 mg/L, grape juice 7~9 mg/L; in the juice, in addition to lemon juice (7 mg/L), tomato juice (13 mg/L) contains higher quercetin, other juices have higher content Low, generally below 5 mg/L; the highest content of quercetin in tea (10-25 mg/L).