Rutin extract is a plant pigment (flavonoid) that is found in certain fruits and vegetables. Rutin is used to make medicine. The major sources of rutin for medical use include buckwheat, Japanese pagoda tree, and Eucalyptus macrorhyncha. Other sources of rutin include the leaves of several species of eucalyptus, lime tree flowers, elder flowers, hawthorn leaves and flowers, rue, St. John's Wort, Ginkgo biloba, apples, and other fruits and vegetables.

Some people believe that rutin extract can strengthen blood vessels, so they use it for varicose veins, internal bleeding, hemorrhoids, and to prevent strokes due to broken veins or arteries (hemorrhagic strokes). Rutin is also used to prevent a side effect of cancer treatment called mucositis. This is a painful condition marked by swelling and ulcer formation in the mouth or lining of the digestive tract. In combination with the proteins trypsin and bromelain, rutin is also used for osteoarthritis.

Product Properties: Yellow powderl. It becomes darker in case of light. Bitter. Drying at 95 ～ 97 ℃ turns into two molecules of crystalline water. After drying at 110 ℃ under vacuum (1.33 × 103Pa) for 12h, it became anhydrous. Anhydrous is easy to deliquesce, melting point is 190 ~ 192 ℃, can absorb 2.5 molecules of water in the atmosphere. The solubility in cold water is 0.012% and the solubility in hot water is 5%. Slightly soluble in ethanol.

Functions of Rutin Extract:

1. It inhibits platelet aggregation, as well as decreasing capillary permeability, making the blood thinner and improving circulation.

2. It has anti-inflammatory activity.

3. It inhibits aldose reductase activity. Aldose reductase is an enzyme normally present in the eye and elsewhere in the body. It helps change glucose into a sugar alcohol called sorbitol.

4. It also strengthens the capillaries, and, therefore, can reduce the symptoms of haemophilia. It also may help to prevent a common unpleasant-looking venous edema of the legs. Rutin, as ferulic acid, can reduce the cytotoxicity of oxidized LDL cholesterol and lower the risk of heart disease.

5. There is also some evidence that Rutin can be used to treat hemorrhoids, varicosis, and microangiopathy.

6. It is also an antioxidant, along with quercetin, acacetin, morin, hispidulin, hesperidin, and naringin; it was found to be the strongest.

7. Hydroxyethylrutosides, synthetic hydroxyethyl acetylations of rutin, are used in the treatment of chronic venous insufficiency.

Applications of Rutin Extract:

1. Applied in pharmaceutical field, it is usually made into tablets, capsule, and granule to warm the kidney, strengthen the spleen and enhance human immunity.

2. Applied in food field, it is mainly used in kinds of beverage, liquor, and foods to enhance human immunity and anti-aging.