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Topic: Dioscorea

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In the News (Thu 21 Mar 19)

  Dioscorea spp
Dioscorea bulbifera with 1/4, 1/10 & 1/30LD50 doses showed fatty change & increasing glycogen of liver cells in mice, & toxic mechanism was by damaging mitochondrional & endoplasmic reticulum membrane directly & decreasing activity of G-6-P & SDH in the liver cells.
Protoneodioscin is a furostanol saponin isolated from the rhizomes of Dioscorea collettii var.
Protodioscin (NSC-698 796) a furostanol saponin from the rhizome of Dioscorea collettii var.
www.herbmed.org /Herbs/Herb152.htm   (5477 words)

 Dioscorea bulbifera -- Non-Native Invasive Plants in the United States
A member of the yam family (Dioscoreaceae), air potato produces large numbers of aerial tubers, potato-like growths attached to the stems.
Dioscorea species are cultivated for their edible underground tubers in West Africa where they are important commodities.
Dioscorea varieties, containing the steroid diosgenin, are a principal material used in the manufacture of birth-control pills.
aquat1.ifas.ufl.edu /diobul.html   (341 words)

 Dioscorea Used in Chinese Medicine with the Example of Qianjin Zhidai Wan
Huangyaozi: obtained from Dioscorea bulbifera, it is used to resolve phlegm, and is especially employed in treatments for phlegm-mass of the throat area, namely thyroid swelling (see: Treatments of thyroid diseases with Chinese herbal medicine) and esophageal cancer (5).
It should be noted that Dioscorea hypoglauca is being investigated for anticancer activity (6), especially of the component protodioscin (which is also found in the Chinese herb tribulus).
This is accomplished with dioscorea as spleen/kidney tonic, boosted by codonopsis and atractylodes for the spleen and dipsacus and fennel for warming the kidney.
www.itmonline.org /arts/dioscorea.htm   (2339 words)

 Dioscorea (shan yao) | acupuncturetoday.com
Although there are approximately 800 different species of dioscorea, the Chinese yam is native to China, Japan, Korea and Taiwan.
For instance, it is sometimes combined with poria and white atractylodes for loose stools, and with codonopsis root for general weakness and fatigue.
The general dosage of dioscorea is 10-30 grams of root or 6-10 grams of powder.
www.acupuncturetoday.com /herbcentral/dioscorea.php   (410 words)

 Dioscorea elephantipes
Dioscorea elephantipes is summer deciduous and is a perennial geophytic climber.
Dioscorea is named after the Dioscorides a Greek physician; elephantipes in Latin refers to the elephant-like appearance on the outer covering of the bark.
Other members in the genus Dioscorea are used to extract steriodal saponins which are used to produce cortisone and and contraceptives.
www.plantzafrica.com /plantcd/dioscoreleph.htm   (558 words)

 Database Entry: Wild Yam - Dioscorea villosa, Wild Yam - Dioscorea villosa, Wild Yam - Dioscorea villosa, Wild Yam - ...
Functions and clinical use: Tonifies and benefits the Spleen and Stomach: used in cases of Deficient Spleen or Stomach with such symptoms as diarrhea, fatigue, spontaneous sweating, and lack of appetite.
The good therapeutic effect of dioscorea saponins on patients with atherosclerosis combined with hypertension was confirmed in Clinical practice.
The British Herbal Pharmacopoeia recognizes wild yam root as a spasmolytic, mild diaphoretic, anti-inflammatory, antirheumatic and cholagogue, for use in the treatment of intestinal colic, diverticulitis, rheumatoid arthritis, muscular rheumatism, cramps, intermittent claudication, cholecystitis, dysmenorrhea, and ovarian and uterine pain.
www.rain-tree.com /dioscorea.htm   (716 words)

 Mexican / Wild Yam (Dioscorea villosa) - Supplements
Antioxidant activity of dioscorea and dehydroepiandrosterone (DHEA) in older humans.
Hypoglycaemic activity of dioscoretine from tubers of Dioscorea dumetorum in normal and alloxan diabetic rabbits.
Biliary lipid secretion: immunolocalization and identification of a protein associated with lamellar cholesterol carriers in supersaturated rat and human bile.
www.supplementwatch.com /suplib/supplement.asp?DocId=2087   (741 words)

 Yams -- Dioscorea spp.
Yam is the common name applied to plants of about 500 species of the genus Dioscorea of the Dioscoreaceae family.
Many species of Dioscorea contain sapogenin, a compound having medicinal value.
Permission is granted to others to use these materials in part or in full for educational purposes, provided that full credit is given to the UF/IFAS, citing the publication, its source, and date of publication.
edis.ifas.ufl.edu /MV153   (647 words)

  Phylak essences with energetic properties: Catharanthus, Taxus, Dioscorea, Juniperus
To produce Spagyric essences, PHYLAK Laboratories uses organic and up-market whole plants.
Chinese medicine uses a Dioscorea species for spermatorrhoea, and in India it’s advised for rheumatic pains and scorpion bites.
In homeopathy, Dioscorea plays an important role and treats many problems: stomach pains, bloating, colitis, diarrhoea, muscular cramps and nerves pains, sciatic and cardiac pains.
www.spagyricmedicine.com /plants.htm   (1401 words)

 DreamPharm: Dioscorea oposita (wild yam)
Dioscorea oposita, a bean-like perennial climber with long tuberous roots, is commonly called "chinese yam" or "wild yam", and grows mainly in East Asia (China, Korea, and Japan).
Dioscorea oposita root has been used in Asia for millennia as a tonic herb, and are mainly cultivated in China and Korea for medicinal purposes.
Dioscorea oposita root is most commonly taken in the form of decoction or tea, or as dry powder supplied in capsules, and in combination with other herbs in many formula.
dreampharm.com /garlic/dioscorea.asp   (677 words)

 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: )
Dioscorea rotunda, the white yam, and Dioscorea cayenensis, the yellow yam, are native to Africa.
Dioscorea opposita, Chinese yam, is native to China.
Dioscorea dumetorum, the bitter yam, is popular as a vegetable in parts of West Africa; one reason being that their cultivation requires less labor than other yams.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=yam_(vegetable)   (1515 words)

 Dioscorea - Herbal Index - herbindex.net
In the Philippines, the purple ube variety of yam (Dioscorea alata, also known in India as ratalu or violet yam) is eaten as a sweetened dessert called halaya, and is also an ingredient in another Filipino dessert, halo halo.
An exception to the cooking rule is the Japanese mountain yam (Dioscorea opposita), known as nagaimo or yamaimo depending on the root shape.
It is eaten raw and grated, after only a relatively minimal preparation: the whole tubers are briefly soaked in a vinegar-water solution, to neutralize irritant oxalate crystals found in their skin.
www.herbindex.net /dioscorea.html   (529 words)

 Plant Genetic Resources Newsletter - Ethnotaxonomy of Dioscorea among the Kattunaikka people of Wayanad District, ...   (Site not responding. Last check: )
Dioscorea, a pan-continental genus belonging to the family Dioscoreaceae, is found in Africa, India, Southeast Asia, Australia and tropical America (Jayasurya 1984; Wilkin 1998), with about 630 scientifically described taxa.
For classifying Dioscorea species, the Linnaean system uses character classes pertaining to that of floral, fruit and seed (reproductive) characters as well as the direction of twining of the stem.
Since Dioscorea is a vital food crop to the poorest of the poor, the wild relatives and landraces of this genus gain much significance in breeding, just as the knowledge of people who conserve such species.
www.ipgri.cgiar.org /pgrnewsletter/article.asp?id_article=4&id_issue=135   (4660 words)

 Dioscorea : by Ray Sahelian, M.D.
Dioscorea alata feeding exhibited its antioxidative effects in HHcy including alleviating PA, lipid peroxidation, and oxidative stress, but did not induce activity of antioxidant enzymes which had already adaptively increased by HHcy.
The toxic mechanism of Dioscorea bublifera L was the damage of the mitochondrional and endoplasmic reticulum membrane directly.
Methanol extract of Dioscoreae Rhizoma inhibits pro-inflammatory cytokines and mediators in the synoviocytes of rheumatoid arthritis.
www.raysahelian.com /dioscorea.html   (2681 words)

 Dioscorea   (Site not responding. Last check: )
Research shows that dioscorea induces a short-lived decrease in blood pressure and an increase in coronary flow when injected intravenously into rabbits.
The beneficial therapeutic effect of dioscorea saponins on patients with arteriosclerosis combined with hypertension has been confirmed in clinical practice.
Dioscorea Villosa is a perennial, twining plant, with long, knotty, matted, contorted, ligneous root-stocks.
home.gci.net /~designed/dioscorea.htm   (1094 words)

 Dioscorea root
Dioscorea is a powerful herb for treating dehydration be it due to an illness, excessive sweating from to physical activity, due to the weather, or whatever.
Dioscorea is a superb herb for helping replenish body fluids when taken as a tea or with sufficient water.
Dioscorea is a safe and mild herb that can be used as a nutrient tonic on a regular basis.
www.puretango.com /library/dioscorea.html   (351 words)

 Dioscorea bulbifera - Meet the Plants - National Tropical Botanical Garden Plant Database
Dioscorea varieties contain the steroid diosgenin, which is the principal material used in the manufacture of birth-control pills.
In Hawai'i, the air yam is a Polynesian introduction, naturalized primarily in mesic areas, especially shaded mesic valleys and disturbed mesic forest at elevation 5-670 m.
Dioscorea bulbifera is a non-native, invasive vine in Florida.
www.ntbg.org /plants/plant_details.php?plantid=4171   (450 words)

 Wild Yam.Dioscorea villosa and Phytochemicals.Wild Yam extract.Dioscorea ...
Dioscorea is antispasmodic, and could be helpful for nausea of pregnant women (morning sickness), spasmodic hiccough and asthma.Most women experience lack of progesterone, not estrogen.Natural progesterone supplements are used to balance estrogen.
Dioscorea oposita root is most commonly taken in the form of decoction or tea, or as dry powder supplied in capsules, and in combination with other herbs in many formula.
Dioscorea Villosa (Wild Yam) Root Extract is an extract of the rhizomes of the wild yam, D. villosa.
www.mdidea.com /products/herbextract/wildyam/data.html   (5963 words)

 Diosin and Diosin-2 Ephedra FREE! Dioscorea and a Blend of Herbs
Dioscorea provides a potent extract of the healthful properties that have caused the yam to be valued for ages.
Dioscorea contains structured steroid compounds that are almost identical to the body's natural hormone precursors.
Recent research has indicated a correlation between Dioscorea intake and an increased level of HDL ("good" cholesterol) in addition to the reduction of blood fats.
www.smartwomensupplements.com /diosin-diosin2.html   (689 words)

 Madagascar, Royal Botanic Gardens, Kew: Science and Horticulture: Madagascar: Home Page
Yams are members of the genus Dioscorea, and are important to Malagasy people, especially on a local scale, as food providers or as medicines derived from the forest or from small-scale cultivation.
Dioscorea soso, Dioscorea fandra); others are simply boiled or baked (e.g Dioscorea nako), while some need extensive preparation such as immersion in running water for 1-3 days or drying in the sun (e.g.
Malagasy yams are also being used in studies of micromorphology and molecular systematics which aim to discover the phylogeny of the genus Dioscorea as a whole.
www.rbgkew.org.uk /scihort/madagascar/projects/yams/Yams.html   (650 words)

 dragonherbs | herbs - qi tonics   (Site not responding. Last check: )
Dioscorea helps strengthen the ability to build Qi in the Lungs and generally improve Lung functioning, which in turn strengthens the whole body.
Dioscorea can easily be crushed or ground into a powder which makes an excellent ingredient in almost any cooking where flour, grain or starch might otherwise be used.
Dioscorea should be used only sparingly in cases of abdominal distention due to food stagnancy.
www.dragonherbs.com /herbs/herbs.asp?herb_id=10319   (840 words)

 Dioscorea - Wild Yam Root - Shi Hu
Dioscorea helps strengthen the ability to build Qi in the Lungs and generally improve Lung functioning, which in turn strengthens the whole body.
Dioscorea is a valuable herb In the process of rebuilding and maintaining healthy Kidney functions.
Dioscorea can easily be crushed or ground into a powder which makes an excellent ingredient in almost any cooking where flour, grain or starch might otherwise be used.
www.healthymagnets.com /articles/herbs/dioscorea.htm   (629 words)

 Dioscorea batatas, The Hardy Yam - Plants For A Future
Dioscorea alata is a much less common variety with squared stems that almost have "wings" off of them.
It doesn't flower worth noting or have very large leaves, and so there doesn't seem to be much interest in cultivating it in the U.S. It does get the attractive leaves even though they are smaller, and it does grow quickly and could be a pest if given the chance, as could the others.
It also does not appear to be capable of overwintering outside of the deep south in the U.S. Dioscorea oppositifolia, the Chinese yam, also known as Dioscorea batatas, is the one with the cinnamony-smelling flowers.
www.pfaf.org /leaflets/yam.php   (2540 words)

 Dioscorea sativa in the Linnaean Typification Project
Conserved Type = "Dioscorea foliis cordatis, caule laevi" in Linnaeus, Hort.
Dioscorea sativa, with the type designated by McNeill & al., was proposed as conserved type of the genus by Jarvis (in Taxon 41: 562.
This was eventually approved by the General Committee (see review of the history of this proposal by Barrie, l.c.
www.nhm.ac.uk /jdsml/research-curation/projects/linnaean-typification/detail.dsml?ID=312600&listPageURL=list%2edsml%3fbeginIndex%3d420%26Varqtype%3dstarts%2bwith   (54 words)

 PLANTS Profile for Dioscorea oppositifolia (Chinese yam) | USDA PLANTS
Dioscorea oppositifolia L. 2 genera in Dioscoreaceae, 29 species in Dioscorea
Dioscorea oppositifolia L. This plant is introduced to the United States from another country or countries.
Dioscorea oppositifolia L. ITIS Taxonomic Serial Number 502075.
plants.usda.gov /java/profile?symbol=DIOP&format=Print&photoID=diop_001_ahp.tif   (173 words)

 WILD YAM (Dioscorea villosa) - ORAL side effects, medical uses, and drug interactions.
WILD YAM (Dioscorea villosa) - ORAL side effects, medical uses, and drug interactions.
USES: Wild yam has been used for menstrual cramps and discomfort, rheumatoid arthritis, stomach cramps and pain from gallstones.
Read 9 more wild yam (Dioscorea villosa)-oral related articles...
www.medicinenet.com /wild_yam_dioscorea_villosa-oral/article.htm   (436 words)

 PLANTS Profile for Dioscorea quaternata (fourleaf yam) | USDA PLANTS
PLANTS Profile for Dioscorea quaternata (fourleaf yam)
Southern wetland flora: Field office guide to plant species
2 genera in Dioscoreaceae, 29 species in Dioscorea
plants.usda.gov /java/profile?symbol=DIQU&format=Print&photoID=diqu_001_ahp.tif   (113 words)

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