1 Eucommia ulmoides. Main components of Eucommia ulmoides Oliv. They are iridoids, gutta percha, lignans and phenylpropanoids, in which lignans and iridoids account for a large proportion, followed by flavonoids and other compounds. Studies have shown that the effective components in bark, leaves and branches of Eucommia ulmoides Oliv. It's basically the same.

2 Reduce the sugar, alkaloid, chlorogenic acid and aucubin in Eucommia bark and leaves. Both have different degrees of antihypertensive effect. The hypotensive effect of decoction is stronger than that of alcohol extract, and the hypotensive effect of Eucommia ulmoides Oliv. is stronger than that of alcohol extract. Leaves are better than bark.

3 Antioxidant effect The aqueous extract of Eucommia ulmoides Oliv. branches and leaves has anti-lipid peroxidation effect and can inhibit the production of malondialdehyde caused by Fe- 1 Eucommia ulmoides health care products. It also has a good antioxidant effect, and Eucommia ulmoides Oliv. Callus also has good antioxidant effect.

Chlorogenic acid contained in antiviral Eucommia ulmoides Oliv. It has strong antibacterial effect, can excite the central nervous system, promote the secretion of choline and gastric juice, stop bleeding, increase the number of white blood cells, and has antiviral effect.