Product Name: Polygonum Cuspidatum Extract
Botanical Name: Polygonum Cuspidatum
Part Used: Root
Active Ingredient: Resveratrol
CAS No.: 501-36-0
Molecular Formula: C14H12O3
Molecular Weight: 228.25
Appearance: Brown or white fine powder
Hu zhang is the Chinese name given to a plant with the scientific
name of Polygonum cuspidatum. North American varieties are often
referred to as “Mexican bamboo.” The root is used as medicine.
Hu zhang is used for conditions of the heart and blood vessels
including “hardening of the arteries” (atherosclerosis), high
cholesterol, and heart disease; and for digestion problems
including constipation, liver disease (hepatitis), and gallstones.
It is also used for cancer, skin burns, pain and swelling of the
bone (osteomyelitis) and gout.
Women sometimes use hu zhang for painful menstrual periods and
menopausal symptoms such as hot flashes.
Medicinally it mainly refers to the dried rhizomes and roots of
Polygonum cuspidatum Sieb. et Zucc., a plant in the family
Polygonaceae. This plant is native to China, Japan, and Korea.
Therefore, it gets a variety of different names, such as Bushy
Knotweed Root, Rhizoma Polygoni Cuspidati, Knotweed Rhizome,
Fallopia japonica, giant knotweed, Japanese bamboo, Japanese
Knotwood, Mexican Bamboo, Reynoutria japonica, Japanese Fleece
flower and so on. In China it is mainly found in Jiangsu, Jiangxi,
Shandong, Sichuan and other places. Best harvesting seasons are
spring and autumn. After the digging, remove fibrous roots, wash
clean, chop into segments or thick slices when it is fresh, dry in
the sun, and used raw or fresh.
According to this study Resveratrol, a polyphenol antioxidant, is
not only a powerful anticancer agent but also prevents heart
disease, delaying the formation of fatty plaque in arteries and
decreasing platelet aggregation, preventing the dreaded thrombosis.
Recently, Resveratrol received nationwide media attention and has
been seen on 60 Minutes, Fox News and numerous other network
1. Anthraquinone injection has significant antihypertensive effect
on anesthetized rabbits;
2. Resveratrol has a therapeutic effect on peroxidized corn oil
induced liver injury in rats;
3. Emodin and naphthoquinone are with antibacterial activity;
4. Experiments by electrical stimulation of the superior laryngeal
nerve in cats showed that emodin, PD, and compound prescription of
Polygonum cuspidatum had antitussive effect;
5. It has anti-cancer effect;
6. Its oxalic acid can cause hypoglycemic shock in rabbits by
intravenous injection. In addition, this herb can reduce the
incidence and mortality of diabetes in experimental animals;
7. Polydatin (200mg/kg) can significantly reduce serum cholesterol
in normal rats by intragastric administration for 7 consecutive
days. But polygonum cuspidatum decoction showed no obvious effect,
which might be associated with less resveratrol contained in
8. Its decoction has obvious hemostasis on traumatic bleeding and
certain hemostasis on upper gastrointestinal bleeding by taken
Why Water –soluble resveratrol is best?
Resveratrol is found primarily in grape peel and the peanut skins.
Known as the “dream material”, resveratrol has miraculous
anti-aging effect that have attracted worldwide attention.
However, it is also known to be difficult for absorption by the
human digestive system. Therefore, Secret of Life's research team
has used soy lecithin manufactured into a form of lipid endorsac,
which is then combined with resveratrol, resulting in the formation
of lipid endorsac resveratrol to be transported to each cell in our
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