Chinese yam (Dioscorea oppositifolia) Chinese yam is also known as cinnamon vine. Leaves are alternately … Japanese people call it “nagaimo,” which translates to “long yam” [5, 6]. All of our content is written by scientists and people with a strong science background. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to It has spread from Lousianna to Vermont and can form dense masses of vines that cover and kill native vegetation, including trees, within a variety of moist, disturbed habitats. Su interior es de color blanco y puede llegar a medir hasta 1 metro de longitud. Chinese Yam Cinnamon Vine Shan Yao Dioscorea Opposita Tincture 3 Live Plants USA. The tubers are edible and usually cooked. Axillary clusters of small, white fragrant flowers with cinnamon fragrance in mid to late summer. New vines quickly sprout from these bulbils, which typically drop off the vine and can be easily carried to new locations by water or rodents or in topsoil moved for construction purposes. Warty round bulbils grow in the leaf axis from which new plants are formed. Yams are perennial herbaceous vines cultivated for the consumption of their starchy tubers in many temperate and tropical regions, especially in Africa, South America and the Caribbean, Asia, and Oceania. PPARγ increases fat deposits, but also increases insulin sensitivity and suppresses cancer growth [16, 17, 18, 19, 20, 21]. Chinese yam contains other active compounds like allantoin, an antioxidant that promotes wound healing, and several antioxidant flavonoids and phenolics [12, 26]. Medicinal use of Chinese Yam: The Chinese yam, called Shan Yao in Chinese herbalism, is a sweet soothing herb that stimulates the stomach and spleen and has a tonic effect on the lungs and kidneys. It is sometimes called Chinese potato or by its Japanese name nagaimo. Our website services, content, and products are for informational purposes only. Chinese yam may affect Th1– and Th2-dominant people differently. Mucilage has traditionally been used to soften the skin and manage skin disorders. Chinese yam (D. polystachya), also known as cinnamon vine, is widely cultivated in East Asia. Below is a summary of the existing animal and cell-based research, which should guide further investigational efforts. Diosgenin may activate estrogen receptors and increase estrogen production. Really. Chinese yam may be a good functional food for diabetes or prediabetes, but these benefits have not been investigated in humans [23, 19]. Chinese yam is rich in mucilage; if ground or grated and spread on the skin, it may help heal cuts, scrapes, and other conditions [38, 39, 40, 41]. Call your local conservation officer to find out if Chinese yam is a problem in your area. is a species of flowering plant in the yam family known by the common names Chinese yam and cinnamon vine. Height: Chinese yam is a creeping and climbing vine that may reach up to 5 meters in height given support from trees and shrubs. The genus . Chinese Yam was introduced here as early as the 19th century for culinary and cultural uses and is now considered an invasive plant species in several states. Chinese Yam (also known as nagaimo, cinammon vine and shan yao) is a type of yam in the Dioscorea family. However, some sources report it as D. opposita or even D. villosa, the latter of which is a different species called wild yam. Our science team must pass long technical science tests, difficult logical reasoning and reading comprehension tests. Texture smooth (air) to warty (Chinese) to rough (water). The information on this website has not been evaluated by the Food & Drug Administration or any other medical body. Join SelfHacked today and start the journey of improving your life. form a strategic partnership called N.C. Jasmine received her BS from McGill University and her BEd from Vancouver Island University. Chinese yam is an aggressive vine, forming small bulbils that resemble little potatoes in the axils of its leaves. Chinese Yam Dioscorea polystachya Turczaninow Non-native - Invasive Synonyms: Cinnamon vine, Dioscorea batatas, Dioscorea oppositifolia, Potato Vine. The vine is considered to be quite aggressive, taking over everything within reach, so be aware if you decide to plant any in your garden. Flowers are possible from June to August in Illinois , the Blue Ridge Province , and the Carolinas . However, the studies listed below should not be interpreted as supportive of any health benefit. In a study of 28 healthy adults, a diosgenin-rich yam extract improved markers of cognitive function and memory, without producing side effects. The tuber contains allantoin, a cell-proliferant that speeds the healing process. There are several herbs derived from species of Dioscorea used in Chinese herb formulas, though only two are used with some frequency. Gardener's HQ Guide to Growing Cinnamon Vine, Yam, and Colic Root One of the beauty's of the half hardy perennial Dioscorea is its cinnamon fragranced flowers. Fresh Chinese yams also contain 6.5% sugars and 6.5% proteins. These compounds (including diosgenin, DOI, adenosine, and arbutin) are currently under investigation for their potential against [18, 29, 30, 5]: Chinese yam may increase progesterone and estrogen levels, according to studies in menopausal rats. In rats, DOI increased estradiol and progesterone levels, prevented bone loss, and enhanced cognition . 50 mg per day of a commercial diosgenin-rich yam extract, the equivalent of 8 mg of pure diosgenin, appears to improve cognitive function in healthy adults . It has spread from Lousianna to Vermont and can form dense masses of vines that cover and kill native vegetation, including trees, within a variety of moist, disturbed habitats. Only a subset of the traditional claims has been tested . Other Common Names: Cinnamon vine, air potato The official scientific name of Chinese yam is Dioscorea polystachya. The vines Out of 600 species in its plant family, Chinese yam is by far the most commonly used in traditional medicine for enhancing women’s reproductive health – from increasing fertility to reducing menstrual and menopausal symptoms. Our team comprises of trained MDs, PhDs, pharmacists, qualified scientists, and certified health and wellness specialists. Ecology. Kingdom Plantae > Division Tracheophyta > Class Magnoliopsida > Order Liliales > Family Dioscoreaceae > … Start your journey to optimal health with SelfDecode today. The leaves are up to 4.5 inches long and wide and are green and heart-shaped. SelfDecode’s personalized DNA reports can tell you which vitamins and mineral deficiencies you’re susceptible to, and which foods to consume to prevent these deficiencies. These bloom anytime from spring to autumn (variety specific) with small white flowers. Our goal is to not have a single piece of inaccurate information on this website. They are continually monitored by our internal peer-review process and if we see anyone making material science errors, we don't let them write for us again. Dioscorea polystachya (cinnamon vine, Chinese yam): This white fleshed edible tuber of good flavor has a hardiness rating of Zones 5 to 10, and will remain alive in the ground overwinter, sending up handsome tall twining shoots in the spring. You must consult your doctor before acting on any content on this website, especially if you are pregnant, nursing, taking medication, or have a medical condition. What Food Does Your Body Need To Stay Healthy? Es muy utilizado como alimento por sus excelentes propiedades nutritivas, aunque también tiene usos medicinales debido a su gran cantidad de mucílago; esta es una sustancia espesa y viscosa que ejerce efecto calmante sobre las membranas mucosas, el revestimiento de las vías respiratorias y el estómago. It was introduced in Europe in the 19 th century when the potato crop was affected by disease. Eating Chinese yam increased beneficial Lactobacillus bacteria, blocked the ulcer-causing E. coli, and decreased gut inflammation in mice and rats [31, 32, 33, 34, 35]. N.C. Diosgenin also repaired brain function in a mouse model of Alzheimer’s disease . It is a member of the Dioscoreaceae or Yam family. We do not aim to diagnose, treat, cure or prevent any illness or disease. The Chinese yam, botanical name D. opposita, is the edible root of a fast-growing climbing vine. Learn more about this invasive plant—and please don’t plant it! Potential Benefits with Insufficient Evidence. However, this was only a single case which has not been repeated in clinical settings. Its deeply lobbed leaves can be round-heart- to sword-handle shaped to arrow-heart shaped, but to me they resemble a cartoon outline of a rat’s head, with a long nose, large ears. Chinese yam vine ( Dioscorea oppositifolia is the most common botanical name) growing along the banks of Knoxville's Ten Mile Creek, on the greenway. El ñame chino es un tubérculo de raíz que se incluye en la familia del ñame. In lab settings, it also activated the enzyme aromatase, which makes estrogen. Meanwhile, diosgenin increased insulin sensitivity (by binding to PPAR gamma). Most members of the yam family produce diosgenin, including the Chinese yam . In traditional Chinese medicine, Chinese yam is often combined with other herbs including astragalus, schisandra, rehmannia, and others [2, 47]. Local foraging of invasive Chinese yam may be safer than buying imported yam . A plus sign next to the number “[1+, 2+, etc...]” means that the information is found within the full scientific study rather than the abstract. Central & S. China to Kuril Islands and Taiwan, Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). You can chop up the roots and stir-fry or saute with your spices of choice in just a couple of minutes. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. It usually lasts a few minutes. Does the science support these uses? Part of the starch gets broken down during the cooking process, so raw yams are higher in resistant starch than boiled yams [10, 11, 12, 13]. In animals, diosgenin increased the Th1 response, which can help fight infections but becomes excessive in people with autoimmune issues . SelfHacked has the strictest sourcing guidelines in the health industry and we almost exclusively link to medically peer-reviewed studies, usually on PubMed. The elongated tuber grows 2-3 feet long and can be eaten raw or cooked. Vines twine from left to right and may reach 13 feet in length. Note that each number in parentheses [1, 2, 3, etc.] In Canada, it is regulated as a pest. SelfHacked © 2013 – 2020 All Rights Reserved. The recognized name is Dioscorea polystachya, but a large portion of the literature refers to it as D. opposita or D. oppositifolia. The yam is essentially the tuber part of the plant, most often storing nutrients and energy in the form of carbohydrates and water, which sustain the plant's growth and ability to survive adverse conditions. In the midst of the Coronavirus pandemic, we’ve got to do everything we can to keep our bodies as healthy as possible. $7.88. Guinea yam (D. rotundata) and yellow Guinea yam (D. cayenensis) are the main yam species grown in West Africa. In one case study, 2.5 g of Chinese yam extract, in combination with other herbs, successfully improved fertility in a young woman . Chinese agriculture is at high risk of heavy metal pollution with chromium, nickel, arsenic, cadmium, and lead. These combinations usually include rehmannia or schisandra; they may also include stranger ingredients, like cordyceps mycelium or polyrhachis ant extract. Information is shared for educational purposes only. In animals, polysaccharides from Chinese yam decreased blood sugar. Dioscorea . The tuber contains allantoin, a cell-proliferant that speeds the healing process. It is considered to stimulate the spleen, lungs, and kidneys. It can be used as a food and dietary supplement with a medicinal history of more than 2,000 years. It is a tuberous perennial vine that can grow to 11 feet or more and has long-stalked, glossy green heart-shaped leaves. It is a member of the Dioscoreaceae family, along with other perennial herbaceous vines. Chinese yam contains multiple compounds that can mimic female sex hormones. Your email address will not be published. Here’s my video on that really cool species: Yams don’t need a care or watering to stay alive, though taking care of them will raise your yields and reduce the time needed until harvest. Diosgenin is a phytoestrogen: a plant steroid that acts like an estrogen. Dioscorea polystachya (Dioscorea batatas – Decne.) While Chinese yam is safe to consume as food, it has not been approved by the FDA for any medical purpose or health claim. climbing vine native to China that is currently widespread throughout East Asia They … Required fields are marked *. After menopause and as ovulation ceases, progesterone and estrogen levels drop. Chinese yam is a deciduous perennial vine native to China. Furthermore, the only way to make sure the plant won’t come back is to remove the whole thing, including the nutritious root [7, 48, 42]. This plant is composed of herbaceous or slightly woody vines with fleshy or woody roots. Since Asian people prefer it a lot, it is still grown in France and sold to the Asia market. Chinese yams are considered to have gentle, though powerful, therapeutic properties and can therefore be used safely by all ages. Chinese yams are a source of vitamins B1 and C. They also contain significant amounts of potassium, phosphorus, calcium, magnesium, iron, zinc, copper, and manganese [15, 11]. They are long and cylindrical in shape with thin and hairy beige skin. Dioscorea Opposita is the Chinese wild yam which can be eaten raw. Joe Cohen won the genetic lottery of bad genes. It becomes established in mesic Talk to your doctor about better-studied alternatives for your health goals. You can identify this plant by its heart–shaped leaves and “air potatoes.” If you live in the United States (from southern Vermont to Georgia and as far west as Oklahoma), you may be able to gather it wild while helping out your local ecosystem [7, 48, 42]. Very rarely have capsules and winged seeds, which have questionable viability. People who wish to reduce estrogenic effects in their bodies may want to avoid Chinese yam [16, 5]. According to them, Chinese yam increases yin, which is often linked to feminine qualities. Local Concern: Chinese yam can grow up to 16 feet in height, engulfing surrounding vegetation along the way. People who want to avoid estrogenic effects may want to avoid Chinese yam. Chinese yam is a deciduous perennial vine native to China. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Yes, like that kind of ant. Your email address will not be published. Our science team is put through the strictest vetting process in the health industry and we often reject applicants who have written articles for many of the largest health websites that are deemed trustworthy. It invades open to shady areas in the Eastern United States. DOI is an estrogen-stimulating protein recently discovered in Chinese yam. As a kid, he suffered from inflammation, brain fog, fatigue, digestive problems, anxiety, depression, and other issues that were poorly understood in both conventional and alternative medicine. Similar to kudzu, Chinese yam is an aggressive vine that overtakes nearly everything within reach that stands still long enough! Chinese yam is a creeping and climbing vine that may reach up to 5 meters in height given support from trees and shrubs. Foliage The leaves are alternate proximally but can become opposite as they advance up the vine. It is being researched as a safer, natural alternative to hormone replacement therapy in menopausal women. Align your health hacks with your genes for optimal health & cognitive function. There are a number of varieties available for cultivation both for ornamental use and for harvest, such as Chinese yam plants, white yams, Lisbon yams, pei tsao, bak chiu, and agua yams. While this vine dies back in the winter, it grows and reproduces quickly enough to reduce plant diversity and threaten native ecosystems. Save up to 20% when you buy more. We believe that the most accurate information is found directly in the scientific source. Combined supplements are readily available to purchase at health food stores or online. Plus, you can substitute it in many recipes that use other types of yams and sweet potatoes. This is in the yam family, and the herb is sometimes simply referred to as Unlike other yams, Chinese yam is not very sweet. Read on to learn more about the potential benefits of Chinese yam. Another yam, the cold-tolerant Chinese yam (Dioscorea opposita) can be grown for both its large underground roots and its tiny little edible bulbils. It was brought to the United States in the 1800s and has spread across the country since . Chinese yam is considered very safe to eat, but it may not be for everyone. The arrangement is variable and may be alternately or oppositely arranged or borne in whorls. Although both synthetic and bioidentical hormones are therapeutic options that aim to compensate for the drop in sex hormones, neither is ideal . Chinese yam is very easy to cook. Chinese yam is a climbing vine native to China that is currently widespread throughout East Asia. Finally, most commercial Chinese yam is grown and processed in China. The research on Chinese yam suffers from considerable confusion about its proper scientific name. There might be additional resources available for intrepid foragers who want to go dig up this nutritious tuber! Bulbils are produced from June to September or October in the upper Midwest [15,76]. Appearance Dioscorea polystachya is an invasive herbaceous, twining vine that grows to about 16.4 ft. (5 m). It is a member of the Dioscoreaceae or Yam family. Shan Yao also known as Chinese Yam, Nagaimo, Cinnamon Vine, or Rhizoma Dioscoreae is the rhizome of Dioscorea polystachya, which is a perennial climbing vine belonging to the family Dioscoreaceae. There is no safe and effective dose of Chinese yam for any medical purpose or health claim because no sufficiently powered study has been conducted to find one. Skin irritation from handling the uncooked tubers; irritation and burning of the mouth, lips, tongue and throat. Chinese yam is a climbing vine native to East Asia and invasive in the United States. It should not be used as grounds to take Chinese yam for fertility [24, 3]. In traditional Chinese medicine, it’s almost always combined with several other herbs, including schisandra and rehmannia. Although the active compounds in Chinese yam may increase progesterone levels under some circumstances, the herb does not actually contain progesterone. Because it is an invasive species, North American governments carefully control the spread of Chinese yam. In 100g of Chinese yam, you can expect anywhere from 40 – 65 calories, mostly depending on their water content [14, 11, 12]. This site uses Akismet to reduce spam. Yam C, Chinese Wild Yam, or Cinnamon Vine, the Dioscorea polystachya. Some of the sugars in Chinese yam come in the form of polysaccharides: multiple sugar units connected together with chemical bonds. Learn how your comment data is processed. Mucilage from yam increased several indicators of immune function in animals, including : As part of its immune-boosting effects in animals, Chinese yam increased inflammatory cytokines (TNF-alpha and IL-6) [36, 37, 35]. Dioscorea polystachya or Chinese yam (Chinese: 山药), also called cinnamon-vine, is a species of flowering plant in the yam family. Mucilage from a variety of plant sources promotes wound healing and soothes rashes and burns. Note: it’s important not to confuse Chinese yam with wild yam. Selfhacked LLC does not provide medical advice, diagnosis, or treatment. It is a member of the Dioscoreaceae or Yam family. Chinese yam root (which may also be called a tuber or rhizome) was traditionally combined with other herbs to manage diabetes, improve women’s reproductive health, and support digestive health [2, 3, 4]. Save my name, email, and website in this browser for the next time I comment. Anthelmintic Antidote Contraceptive Digestive Miscellany The Chinese yam, called Shan Yao in Chinese herbalism, is a sweet soothing herb that stimulates the stomach and spleen and has a tonic effect on the lungs and kidneys. Shape spherical (air and Chinese) to oblong (water). If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please leave a comment or contact us at [email protected]. Chinese yam (Dioscorea polystachya or Dioscorea batatas) is an ornamental vine that is native to Asia. Height: Chinese yam is a creeping and climbing vine that may reach up to 5 meters in height given support from trees and shrubs. Jasmine loves helping people understand their brains and bodies, a passion that grew out of her dual background in biology and education. Thus, the Chinese yam has touched American cookery in a curious, roundabout way. It is smaller than the African yam. Some of the polysaccharides from Chinese yam reduce blood sugar, while others are strong antioxidants. Chinese yam is an invasive species in the United States. The genus Dioscorea has economic value as a food plant and is used as a traditional Chinese medicine. As a result of this confusion, some claims about Chinese yam may actually apply to other species, and vice versa. Raw Chinese yam is also high in resistant starch, which increases butyrate in the gut and supports your digestive health . The flesh is crispy and mildly sweet. From the chem lab to the classroom, everyone has the right to learn and make informed decisions about their health. Diosgenin is used to make progesterone in the lab since it is chemically similar to sex hormones. However, the body cannot convert it into progesterone . They have a floury texture with a very pleasant flavour that is rather like a potato. Its root is a nutritious tuber rich in starch, vitamins, minerals, and beneficial active compounds. In a lab setting, diosgenin binds to estrogen receptors and activates peroxisome proliferator-activated receptor gamma (PPARγ). Chinese yam is also rich in mucilage, a gooey polysaccharide that makes a gel when mixed with water [23, 24, 25]. Although this herb has medical advantages, it also carries major drawbacks for the environment; it can quickly invade habitats and may reduce plant diversity. Lesser yam (D. esculenta), grown on the subcontinent of India, in southern Vietnam, and on South Pacific islands, is one of the tastiest yams. The genus Dioscorea has economic value as a food plant and is used as a traditional Chinese medicine. or Best Offer +$7.58 shipping. Chinese Yam (Cinnamon Vine, Air Potato) Dioscorea batatas, D. oppositifolia, D. bulbifera Description - • Chinese Yam and air potato are long-climbing vines with 2- to 3-inch wide shiny heart-shaped leaves having arc-shaped veins. Chinese yam is a deciduous perennial vine native to China. is a clickable link to peer-reviewed scientific studies. When they are picked fresh, Chinese yams are between 13.5% and 34% starch; the broad range may be due to differences in water content. Yams are referred to by many other names including true yams, greater yam, and tropical yam. To protect the local ecosystem, avoid planting Chinese yam in an outdoor garden; gather it wild or buy it from a Chinese grocery . has economic value as a food plant and is used as a traditional Chinese medicine. The 10 mm "bulbils" break off, float away, and form new plants. Better still, they resemble the leaves of … Watch; Z S p M K o 0 F 7 O S n U T C s o r e d. 3 rooted 4" to 8 " Sweet purple yam RARE Plants -organic.Grow your own foods. Carefully read the label before you purchase Chinese yam supplements. According to animal and cell studies, Chinese yam and its extracts may promote the growth of healthy bacteria in the digestive system. Chinese Wild Yam, Cinnamon Vine Tuber, or Name' Dr. Paul Haider. Chinese Yam was introduced here as early as the 19th century for culinary and cultural uses and is now considered an invasive plant species in several states. • Leaves may vary in shape to arrowhead-like with lobes at the leaf base. Traditional Chinese medicine (TCM) practitioners claim that Chinese yam can restore the vital energy, called qi. By far the most common is Dioscorea opposita, for which the rhizome (tuber) is used; it is called shanyao (mountain herb). Air yam to 5 inches (12 cm) long, Chinese yam to 1 inch (2.5 cm) long, and water yam to 1.2 inches (3 cm) long and 4 inches (10 cm) wide. In rodents, it increases the response to the pituitary’s FSH, which along with LH orchestrates the activity of female sex hormones in the body [28, 5]. Yam is the common name for some plant species in the genus Dioscorea (family Dioscoreaceae) that form edible tubers. It occasionally flowers in small axillary clusters. Read our Commitment to Diversity | Read our Privacy Statement. At least one clinical trial has found that Chinese yam could benefit cognition, but this was a very small study which has not been repeated. A staple of traditional Chinese medicine, this long tuber is used to increase female fertility and manage diabetes. Unlike Chinese yam, wild yam and Mexican yam are commonly used to make bioidentical hormones (estrogen and progesterone) used in menopausal therapy [7, 1, 8, 9]. Jonathan Ritter, PharmD, PhD (Pharmacology), 8 Benefits of the MIND Diet: Brain, Heart, Weight & More, 6 Surprising 5-HTP Benefits + Side Effects & Dosage, All About Serotonin: What It Does & Potential Ways To Increase It, May improve cognition, immunity, and skin health, Potential increase in estrogen is not good for everyone, May promote weight gain, swelling, and heart disease, Spleen and other immune organ cell production. But if you’re looking for a natural alternative to hormone therapy during menopause, you might want to give Chinese yam a try. Chinese yam: Chinese yam vine growth begins in April in Illinois, and vines can reach 15 feet (4.6 m) by late summer . Prune to the ground in spring. In one remarkable case study, a traditional tonic including Chinese yam, rehmannia, epimedium, and other herbs, may have restored fertility in a woman with ovarian failure. No clinical evidence supports the use of Chinese yam for any of the conditions listed in this section. We are dedicated to providing the most scientifically valid, unbiased, and comprehensive information on any given topic. Multiple states, including Michigan, have active control programs whereby the government asks citizens to report sightings of Chinese yam. One yam, many names: the Chinese yam is widespread through East and Southeast Asia, and so has acquired a host of titles, including: cinnamon vine, nagaimo, huáishān, shānyào, huáishānyào, sanyak, củ mài, khoai mài, and more [42, 43, 44, 45, 46]. Unlike Chinese yam, wild yam is often sold in the form of creams. In mice, diosgenin and mucilage from Chinese yam increased the activity of the immune system and improved the animals’ ability to fight infections that they had encountered before, such as the inactive viruses in vaccines [36, 37, 35]. People in China eat the roots as a mild tonic food, along with other yams.
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