It is grown as tuber crop for economic values by rural and tribal farmers. Structural chemistry on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Dioscorea villosa is one of the species of yam referred to as wild yam dioscorea villosa has been claimed to alleviate symptoms of menopause, but there is currently no evidence to support this effect animal evidence suggests dioscorea villosa can increase skin thickness after lowdose supplementation. Please click on the photo it will zoom and allow you to pan the photo. Species in this genus are dioecious, twining, and herbaceous to woody vines with single or clustered large tubers, some of which are edible and are known as yams acevedorodriguez, 2005. Pdf in vitro propagation of two wild yams, dioscorea oppositifolia and dioscorea pentaphylla, is reported. Several species are widely cultivated in many cultivars including dioscorea alata d. Pdf antioxidant activity, antibacterial potential and.
Overharvesting of rare yams has threatened populations of several dioscorea species worldwide 18,22,23,24. A downloadable pdf document of a book in prepublication awaiting illustration. Files are available under licenses specified on their description page. Jstor is part of ithaka, a notforprofit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways. The plant list includes a further 316 scientific plant names of infraspecific rank for the genus dioscorea. Pdf amino acid composition of wild yam dioscorea spp. Winged yam is known to have disprupted naturalarea plant communities, particularly coastal hammocks in south florida. The goal of the traditional pacific island crops web site is to provide organized access to quality, free web resources that provide information on these twelve important traditional pacific island crops.
Dioscorea alata ufifas center for aquatic and invasive plants. Metabolite profiling of dioscorea yam species reveals. Produces large numbers of aerial tubers, which accelerate its spread. All structured data from the file and property namespaces is available under the creative commons cc0 license. Show all show tabs fiveleaf yam general information. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and. Dioscorea oppositifolia is a fast growing twining vine that has escaped from cultivation. Dioscorea villosa has one of the firmest of rhizomae, it being very difficult to powder or crush. Cells are blank where information is not available in the rapid assessment vegetation model. This is not intended to be a comprehensive listing. In vitro propagation of wild yams, dioscorea oppositifolia linn and. Dietary pes plant estrogens of dioscorea can provide wide range of health benefits including protection. The palatability of dioscorea alata is high due to less bitterness.
Investigation of antimicrobial properties of doscorea pentaphylla from mid western ghats, india article pdf available october 2010 with 53 reads how we measure reads. Use of dioscorea species in traditional medicines is documented to at least 2000 bc 25, including leaf material 26 as. Reported from natural areas in 23 florida counties, from duval. A number of wild crops remain unexplored in this world and among them some have excellent medicinal and nutritional properties. The leaves are trifoliate, and you may see them closely by clicking on the 4th photo. This effect suggests dioscorea villosa is a potentially useful supplement for skin. Presentations ppt, key, pdf logging in or signing up. The two most important ones in the pacific are dioscorea alata greater yam, water yam and dioscorea esculenta lesser yam, potato yam. Dioscorea pentaphylla is an extremely widespread and variable species, such that prain and burkill recognized a total of 16 varieties in their revision of asian species of dioscorea. General information buck yam is a perennial climbing plant producing annual stems from a perennial rootstock.
The pdf file linked from each plant community name describes the model and synthesizes the knowledge available on. Yam traditional pacific island crops research guides. Diosbulbin b, a constituent of dioscorea pentaphylla, acta. Covered with large leaves, it can quickly grow into the tops of tall trees. Leaf paste mixed with mustard oil is rubbed on the effected part to treat rheumatism 24. I have been believing the posted plant to be dioscorea pentaphylla. Antioxidant activity, antibacterial potential and characterization of. Dioscorea bulbifera bulbils are used in the treatment of piles, dysentery, syphilis, ulcers, cough, leprosy, diabetes, asthma, and cancer. In india, this yam is common in jungles and is found in the south sea islands. These are dioscorea alata, dioscorea bulbifera, dioscorea pentaphylla, dioscorea puber. Dioscorea pentaphylla in the germplasm resources information network grin, u.
Jun 14, 2018 this effect suggests dioscorea villosa is a potentially useful supplement for skin care, but more research is needed before it can be specifically recommended as a cosmetic supplement. There are several species in the genus dioscorea that are known as yams. It has no odor, and but little taste beyond a slight acridity after prolonged chewing. Diosbulbin b, a constituent of dioscorea pentaphylla. An dioscorea in nahilalakip ha familia nga dioscoreaceae.
Wight has never seen it cultivated in india, although the natives dig the tubers to eat. Thus, although dioscorea was introduced by the thomsonian school in medicine, it became a favorite in the eclectic school, where for decades it has found a cordial reception. Dioscorea batatas is a perennial growing to 3 m 9ft by 1. Access is allocated within two business days of purchase and lasts one year. Pdf in vitro propagation of wild yams, dioscorea oppositifolia. The plant list includes 1,192 scientific plant names of species rank for the genus dioscorea. List of plants of mallur hills with vernacular name, habit. Text is available under the creative commons attributionsharealike license. Dioscorea calcicola is the sole member of dioscoreales that was also examined by johnson et al. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and which creates management problems in many parts. Read diosbulbin b, a constituent of dioscorea pentaphylla, acta crystallographica section c. Other uses none known propagation seed not normally used to propagate this species. The genus dioscorea includes about 350800 species distributed largely in the tropics, but also in warm and temperate regions.
Dioscorea villosa is claimed to alleviate symptoms of menopause because the molecular structures of the yam are similar to many steroidlike compounds. The pdf file linked from each plant community name describes the model and synthesizes the knowledge available on vegetation composition, structure, and dynamics in that community. Dioscorea villosa supplement health benefits, dosage, side. Tubers of nepal, plant foods for human nutrition 60. Both of these species originated in southeast asia and very early were carried by voyagers into the western pacific and brought d. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 240656 with original publication details. Page 2 of 10 please provide details on the components of biodiversity for food and agriculture involved species, breeds, varieties. Plants profile for dioscorea pentaphylla fiveleaf yam. India is a harbor of biodiversity in general and phytodiversity in particular. Yam is the common name applied to plants of about 500 species of the genus dioscorea of the dioscoreaceae family.
This page was last edited on 14 december 2019, at 15. Winged yam grows to 30 feet, roughly half the length of the invasive species. It is closely related to air potato dioscorea bulbifera. Bioefficacy of dioscorea pentaphylla from midmidwestern ghats. This species of dioscorea does not produce nearly as many bulbils as d. Pdf chromatographic, antibacterial and ftir analysis of. The socalled dioscorein is not a definite principle of the rhizoma, but is simply a dried solid extract, and to call it other. The roots, cut into slices and boiled, have a very pleasant taste. These stems scramble over the ground, or twine into the surrounding vegetation. Dioscorea species, popularly known as yam worldwide and as ban aalu in odisha, india, is a prime staple medicinalfood substitute for the majority of rural and local people of the state of india. Pdf investigation of antimicrobial properties of doscorea.
Around 15 species of dioscorea are used as a source of diosgenin 20. Small tubers can be cut into 2 4 sections, larger ones into 6 8 sections. Of these, seven to ten are cultivated on a large scale 2,3 and two d. These are primarily included because names of species rank are. Dioscorea pentaphylla diupeoverview eppo global database. Department of agriculture agricultural research service. Lloyd investigated the dioscorea subject, and found that the variety of the vine yielding the drug originally em.
Germoplasm collection includes vegetables seed in cold storage and orthodox seeds like coffee cacao, peach palm and others. For more multimedia, look at dioscorea pentaphylla on wikimedia commons. Synonyms based on material from outside china are not listed here. The vast majority of the species are tropical, with only a few species extending into temperate climates. The complete paper in pdf format, bitterness and toxicity in wild yam dioscorea spp. Dioscorea bulbifera is used by tribal ladies of rajasthan as contra receptive choudhary et al. Most of the species of dioscorea have a wide adaptability to diverse agro climatic condition. Of the dioscorea species available in sbr, 10 species. Dioscorea is a genus of over 600 species of flowering plants in the family dioscoreaceae, native throughout the tropical and warm temperate regions of the world.
Nomenclature and classification taxon record name scientific name. Dioscorea alata or winged yam can easily be mistaken for air potato, d. The pdf file you selected should load here if your web browser has a pdf. In vitro propagation of two wild yams, dioscorea oppositifolia and dioscorea pentaphylla, is reported. It is named after the ancient greek physician and botanist dioscorides. Dioscorea villosa supplement health benefits, dosage. Dioscorea pentaphylla is a prickly vine that twines counterclockwise around objects and other plants. This yam has cylindrical roots as thick as an arm and of excellent quality. Dioscorea bulbifera ufifas center for aquatic and invasive. Dioscorea yam species comprise a genus of 6 tuberous climbing plants 1. We do not intend the plant list to be complete for names of infraspecific rank. The alternately arranged leaves are compound, divided into 3 to 5 leaflets each up to 10 centimeters long. General information about dioscorea pentaphylla diupe eppo global database. An dioscorea pentaphylla in nahilalakip ha genus nga dioscorea, ngan familia nga dioscoreaceae.
Dioscorea species have capacity to reduce food problems in 3rd world authorstream presentation. Winged yam gets it name from its winged internodes, a characteristic feature of the species. Species in this genus are dioecious, twining, and herbaceous to woody vines with single or clustered large tubers, some of which are edible and are known as. The institute of food and agricultural sciences ifas is an equal opportunity institution authorized to provide research, educational information and other services only to individuals and institutions that function with nondiscrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations.
Chromatographic, antibacterial and ftir analysis of dioscorea pentaphylla l. Chemical composition diosgenin an aglycone is a chemical substance found in dioscorea and are used commercially in pharmaceutical industry. Winged yam dioscorea alata is another nonnative, invasive vine in florida. Mar 15, 2000 read diosbulbin b, a constituent of dioscorea pentaphylla, acta crystallographica section c. The plant contains the alkaloid, carbohydrate, tannin, gum protein, steroid, glycoside, flavonoids. Among available dioscorea species, four species are major as per consumption rate fjg. Please note that this is a trial program and may end. Dioscorea bulbifera ufifas center for aquatic and invasive plants. A native to tropical asia, air potato, dioscorea bulbifera, was first introduced to the americas from africa. The species is dioecious individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required.
Antifungal, antibacterial, dioscoreapentaphylla, minimum inhibitory concentration. Pdf antinociceptive activity of methanol extract of. Dioscorea alata ufifas center for aquatic and invasive. Dioscorea bulbifera is boiled and used as vegetable in odisha misra and misra, 2014. In india, the male flowers are sold in the bazaars and eaten as greens. In vitro propagation of wild yams, dioscorea oppositifolia. It can survive in a number of different habitats and environmental conditions, but is most commonly found at the edges of rich, mesic bottomland forests, along stream banks and drainageways and near fencerows. Dioscorea pentaphylla is a species of flowering plant in the yam family known by the common. Plants grow best in lowland tropical areas with a temperature around 26 34c. The pdf file linked from each plant community name describes the model and synthesizes the. However, this species can also be considered invasive and problematic. A study was under taken to quantify the biochemical composition of protein, fat, starch, crude fiber, ash and dry matter in 22 different collections c1 to c22 of dioscorea alata fresh tubers. Tm 10420 emergency food plants and poisonous plants on the islands of the pacific obsolete 19430415. Different ethnic groups have been using several species of dioscorea in their area of certain ailments.
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