In TCM : Japanese Knotweed Rhizome : Hu Zhang Meridians associated : Lung, Liver and Gall Bladder. A more recent review put the cost of Japanese knotweed to the GB economy at £166 million per year (Williams et al., 2011). Once established, it could be quite difficult to eradicate. Being a plant with high resveratrol content, Japanese knotweed is often used for making resveratrol extract or pills. Japanese Knotweed Ltd does use some non-essential cookies. Here’s a list of some of the phytonutrients or constituents of Japanese knotweed: ◆ Trans-resveratrol◆ Emodin◆ Emodin monomethyl ether◆ Polydatin (piceid)◆ Piceatannol◆ Physcion◆ Astringin◆ Oxalic acid◆ Alkaloids◆ Phenols◆ Sterol/terpenes◆ Chrysophanol◆ Amino acids◆ Tannin◆ Citreosein◆ Catechin◆ Fallacinol◆ Anthraquinone glycosides◆ Polysaccharides. In fact, it has been classified as an invasive weed in Maine, Ohio, Vermont, Virginia, West Virginia, New York, Alaska, Pennsylvania, Michigan, Oregon and Washington state, and Colorado. Prevents Cancer – As with all powerful antioxidants they have the ability to help prevent cancer. Cook until pieces are soft, adding more water if necessary. Japanese knotweed may be more effective than antibiotics at tackling Lyme disease, new study has found. While horticulturists have declared war on this invasive, herbalists are celebrating. Japanese knotweed (Fallopia japonica), Giant knotweed (Fallopia sachalinensis), Bohemian knotweed (Fallopia x bohe-mica), and Himalayan knotweed (Polygonum polystachyum). What Is Japanese Knotweed? The plant is so highly praised because of its high content of one particular chemical, resveratrol. It is also known by other names such as fleeceflower, monkeyweed, Hancock’s curse, Himalayan fleece vine, elephant ears, etc. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. Legally you can be taken to court if knotweed is allowed to encroach upon your neighbour’s property and it does this first through its root system, … ◆ Caution must be exercised, as Japanese knotweed contains oxalic acid, which is known to cause certain adverse effects. Uses- 2 health Plant Description/History: Knotweed is native of China, North and South Korea as well as Japan (Seiger, 2005). According to the Invasive Plant Species Assessment Working Group, Japanese knotweed ranks high in terms of potential for expansion, and medium in terms of ecological impact and difficulty of control. The Japanese used an alcohol extract of this plant as a natural laxative. What is Japanese Knotweed Used for? If you do not have access to machinery, then a depth of 2m is acceptable but all Japanese knotweed must then be wrapped in root barrier membrane. It is important that our harvesting and processing actions do not spread it further. JKW has been used in traditional forms of Asian medicine for centuries and offers a high level of safety. Most of the effects of Japanese Knotweed can be traced back to either the stilbenes (resveratrol) or the anthraquinones (emodin) for the circulatory and gastrointestinal help, respectively. Many people think it is some kind of bamboo because of its hollow stems and raised stem nodes, but it has no relation to true bamboo, which is actually a grass. Resveratrol and the whole herb support normal immune function and offer anti-inflammatory and anticancer properties. In winter the plant dies back to ground level but by early summer the bamboo-like stems emerge from rhizomes deep underground to shoot to over 2.1m (7ft), suppressing all other plant growth. Differing levels of suc-cess have been reported for the same chemical on different sites. Use a waste carrier to take Japanese knotweed off-site. Japanese knotweed is an herbal plant native to Japan, North China, Taiwan and Korea. Use a micro digger or similar machine to excavate a hole to bury the Japanese knotweed matter, according to government guidelines it should ideally be at least 5m deep. Wash well and remove all leaves and tips. Thus, incorporating antioxidants in the form of food or supplements can prove to be beneficial. It contains tannins, emodin and phenolic compounds which is toxic. Roundup Japanese Knotweed & Grass Killer Iii Trigger Sprayer, 1 Gal. Giant or hybrid knotweed leaves will grow much larger, up to 1 foot long, and have a rounded leaf base. Eradication requires determination as it is very hard to remove by hand or eradicate with chemicals. Though its potential for expansion has made it an unpopular plant, there’s a lot more to this plant than its invasive potential. In TCM : Chinese Knotweed Root : Sheng He Shou Wu Chinese Knotweed Stem : Shou Wu Teng Prepared Chinese Knotweed Root : Zhi He Shou Wu It is a Jing tonic herb Meridians associated : Heart, Liver and … Japanese Knotweed What is Japanese Knotweed. The following sections provide some information on the health benefits of this plant. Japanese knotweed and other fast-growing invasive species cause numerous problems. Japanese knotweed is an invasive ornamental plant that can be tough to remove. Japanese Knotweed tincture is not suggested for use in pregnant or lactating women, or in people with estrogen-sensitive cancers. Cytokine pathways are used by bartonella and mycoplasma for survival. However, it is also a very invasive plant that is spreading throughout Vermont. It can help ease arthritis pain and swelling associated with inflammation; help ease Lyme symptoms; promote well-being after holiday excesses; and so much more. In USA, the flowers are used as a nectar source to manufacture honey. Used purely as a means of halting the spread of Japanese Knotweed, we can also install a root barrier. The male and female flowers occur on separate plants, and the fruits are black/brown, shiny, and ovoid. All rights reserved. Synonyms include Pleuropterus cuspidatus (Siebold & Zuc… In UK, it is considered illegal to plant or grow this specied in wild but could be grown simply in the garden or own land. It bears small greenish to white flowers that grows in the linear clusters. Well, we're looking for good writers who want to spread the word. Studies have shown that the roots of the plant contain a much higher level of resveratrol than the leaves and the stems. It is also used for lung diseases, skin disorders, and fluid retention. It is native to East Asia in Japan, China and Korea. In Japan, it is used in traditional medicine and known as itadori which means take away pain. Native to Eastern Asia. The fingerlike clusters are 3 to 4 inches long and consist of several dozen five-petaled, aromatic flowers. ◆ It is advisable not to take these supplements, if one has been diagnosed with estrogen-sensitive cancers. We also use third-party cookies that help us analyze and understand how you use this website. I asked the sales person and he said it’s the only kind he had. It is widely distributed across the United States and Canada and is found growing wild along rivers. On our farm, we take the plants that grow rampantly and prolifically very seriously. It is perennial. Knotweed is an herb. Studies indicate the most beneficial use to be in pancreatic, breast, and ovarian cancers. Glyphosate, widely sold under the brand names, Roundup and Rodeo, can be applied as a foliar spray (i.e., you spray it on the leaves) to stands of Japanese knotweed, using a pressurized garden sprayer. It can regenerate from extremely small pieces (<10mm of rhizome (root), or a small piece of stem). It is cultivated in a cool climate. http://www.chineseherbshealing.com/japanese-knotweed/, https://www.beneficialbotanicals.com/tincture-information/japanese-knotweed.html, https://en.wikipedia.org/wiki/Fallopia_japonica, http://healingherbinfo.com/index.php/herbs/herb/japanese_knotweed, http://www.theotherandyhamilton.com/2013/04/22/cooking-with-japanese-knotweed/. ◆ Trans-resveratrol present in this plant acts like a phytoestrogen. Studies on rats suggest that it is antimutagenic in nature. It grows to heights of , and the roots can be twice that deep. It can also be used to heal minor burns or wounds, as resveratrol is antimicrobial and anti-inflammatory in nature. Thus, it can act as a laxative. Is Japanese knotweed poisonous to humans? Disclaimer: The information provided in this article is solely for educating the reader. Japanese knotweed is the flowering plant in the Buckwheat family Polygonaceae. The World’s Conservation Union has listed the Japanese knotweed as one of the worst invasive plant species of the world. It is cultivated in a cool climate. It also contains minerals such as calcium, bromine, iron, iodine, copper, barium, manganese, phosphorus, zinc, etc. ◆ Antioxidants are substances that can help prevent damage caused by free radicals. One of the main constituents of this herbaceous plant is resveratrol, which is primarily responsible for many of its therapeutic properties. In late summer, white or pale green flower clusters sprout from the nodes. These cookies will be stored in your browser only with your consent. These are responsible for causing Lyme disease, which occurs when one is bitten by ticks infested by the bacteria. It is a highly medicinal and edible plant that is mostly used for the treatment of Lyme disease. Fleece Flower, Monkeyweed, Himalayan Fleece Vine, Hancock’s Curse, Tiger Stick, Pea Shooters, Elephant Ears, Sally Rhubarb, Donkey Rhubarb, American Bamboo, Japanese Bamboo, Mexican Bamboo, Huzhang or Japanese Polygonum, Hollow, smooth, purple-green; Diameter: 2.5cm (1”), Alternate, oval-triangular, Length: 10-17 cm, Width: 7-10 cm, Small, white to green, Length: 1/6-1/8 inch, Dark brown, glossy; Length: 2-4 mm, Width: 2 mm, Winged, shiny, triangular, small;  Length: 1/10 inch. It is not intended to be a substitute for the advice of a medical expert or herbal practitioner. In North America and Europe, the species has successfully established itself in numerous habitats, and is classified as a pest and invasive species in several countries. It has the ability to reduce the viscosity of blood, which in turn can lower the risk of blood clots that can cause arterial blockage, thereby leading to cardiovascular problems. Being a plant with high resveratrol content, Japanese knotweed is often used for making resveratrol extract or pills. Privacy Policy Japanese knotweed has been used as a spring vegetable for centuries in Asian cultures and is used for various agricultural and bee-keeping activities. Its roots and rhizomes can grow to a depth of 2m. ◆ Animal studies have suggested that the use of resveratrol can prove beneficial in providing protection against neurodegenerative processes that could contribute to Alzheimer’s disease. We hope you enjoy this website. Emodin has the ability to regulate bowel motility among other things. Many of these are harmful to humans and animals, but even non-poisonous plants can cause damage and be costly for home and landowners. The word leaves and shoots of this plant as a substitute of tea one is by. Successful invader of wetlands, stream corridors, forest edges, and Korea herbicides, requires no measuring or.... 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