[Product Overview]

Polygonum cuspidatum (scientific name: Reynoutria japonica Houtt.): Polygonaceae, Polygonum cuspidatum is a perennial herb. The rhizome is thick and horizontal. Stems erect, 1-2 meters high, stout, hollow, with obvious longitudinal ribs, small protuberances, glabrous, scattered with red or purple spots. Leaves are broadly ovate or ovate elliptic, 5-12 cm long, 4-9 cm wide, nearly leathery, with wide cuneate, truncate or nearly round base, entire margin, sparsely protuberant, glabrous on both sides, and protuberant along leaf veins; Petiole 1-2 cm long, with small protuberances; Stipules tunica membranous, oblique, 3-5 mm long, brown, with longitudinal veins, glabrous, ciliate, often broken, caducous.

Polygonum cuspidatum glycoside is the extract of Polygonum cuspidatum, which can be used for relieving cough, regulating blood lipid, lowering cholesterol and anti shock. Polydatin injection, with polydatin as the main component, is the first innovative drug of traditional Chinese medicine to submit a clinical application for research in the United States.

[Other Name]: Piceid, Resveratrol, Polygonum cuspidatum, etc

[CAS No.]: 65914-17-2

[Molecular Formula]: C20H22O8

[Molecular weight]: 390.40

[Physical properties]: white acicular crystalline powder. Easily soluble in methanol, ethanol, ethyl acetate, slightly soluble in water.

[Physical and chemical properties]: 5g of crude powder, 25ml of ethanol, soaking for 2h, filtering, steaming the filtrate, adding 2ml of water to the residue, fully stirring, taking the supernatant, adding 10ml of chloroform, separating the aqueous solution, adding 10ml of ethyl acetate, shaking to separate the ethyl acetate solution, steaming the residue to dryness, adding 5ml of water, then extracting with 5ml of ether, steaming the residue to dryness, adding 1ml of ethanol to dissolve it, and placing it under the ultraviolet lamp to show blue fluorescence.

[Solubility]: Easily soluble in water.

[Package specification]: standard package: 25kg/cardboard bucket; Bulk cargo: 1kg/bag.

[Production process]: screening raw materials, cleaning raw materials, three times of extraction, purification, spray drying into powder, screening sterilization, packaging.

[Storage conditions]: The product should be sealed and shaded, and stored in a dry, cool and well ventilated place.

[Shelf life]: 24 months

[Efficacy of Polydatin]

Antitussive, expectorant, antiasthmatic, antibacterial, free radical scavenging, blood lipid regulating, cholesterol lowering. Antibacterial effect: It can inhibit Staphylococcus aureus, Catarrhal coccus, Type A or Type B streptococcus, Escherichia coli, etc. Effects on cardiovascular system, antitussive effect, antiasthmatic effect and digestive system. It can protect liver and promote gallbladder function. Antimicrobial effect, antibacterial effect, antiviral effect, anti-tumor effect, antioxidant effect. It can stop bleeding and diminish inflammation, and inhibit enzyme activity. Effect on endocrine and gene expression.

[Application of polydatin]

It is used in food, cosmetics, medicine and other industries.