Image Guidelines 5. The plant produces one or more spindle-shaped or cylindrical tubers. 2. Die bis zu 800 Arten sind hauptsächlich in den Tropen verbreitet. Dioscorea is a genus of over 600 widely distributed species. The latter product has not previously been reported as a metabolic product of progesterone by plant systems. In India, the plant grows wildly in Western Himalayas, Karnataka, Kashmir, West Bengal, etc. It is also used to alleviate constipation. Int J Herb Med 2013;1(4):67-70. Known Hazards. Copyright 10. Isolation of Total `Free' Hydrocarbon (External -f- Internal) Powdered tuber, 1100 g, was extracted in a soxhlet with 15 1. of petroleum (b.p. The stems scramble over the ground and . The tubers are applied for swelling. Small quantity of Hecogenin. Tubers are used as famine food by the Tribals of Tripura. There are about 15 species of this genus which are known to contain steroidal sapogenins. of Garhwal Himalaya wild tuber Dioscorea deltoidea. 318, 1-5, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Return to ITM Online. Diosgenin ist ein steroides Sapogenin, welches hauptsächlich der industriellen Produktion von Steroidverbindungen, oralen Kontrazeptiva und Sexualhormonen dient. Latin name: Dioscorea deltoidea Family: Dioscoreaceae (Yam Family) Medicinal use of Yam: The juice of the root tuber istaken in the evening in the treatment of roundworm. If you would like to support this site, please consider. Dioscorea deltoidea Wall. Dioscorea deltoidea tubers are used as a food product and also used for the treatment of different diseases such as digestive disorder, diarrhea, irritability, abdominal pain, wounds burns, chronic liver pain and anemia [1]. Chemically it contains 75% of starch including diosgenin, sapogenase an enzyme. Einige Arten sind wichtige tropische Nahrungs- und Heilpflanzen. Content Filtrations 6. The vast majority of the species are tropical, with only a few species extending into temperate climates. 4. The tubers are used externally to reduce swellings. Leaves alternate, simple, cm long, cm broad, ovate or subdeltoid-ovate, often. Privacy Policy 8. Dioscorea deltoidea is a Perennial Climber up to 3.00 metres tall. Dioscorea consists of the dried tubers of a number of wild and cultivated Dioscorea species like D. deltoidea Wall, D. prazeri Prain, D. floribunda Mart and D. composite. Rhizomes of D. deltoidea: Horizontal tubers, digitate, chestnut brown with recoiling roots. Ajna Fern and Mexico. Burkill., have been cultivated for a long time for their edible tubers. Citation in PubAg 23; Journal. TAL, B., J. S. ROKEM, and I. GOLDBERG: Factors affecting growth and product formation in plant cells grown in continuous culture. TAL, B. and I. GOLDBERG: Growth and diosgenin production by Dioscorea deltoidea cells in batch and continuous cultures. 1. with help from TIBURCIO, A. F., R. K. SAWHNEY, and A. W. GALSTON: Effect of … Dioscorea the starchy edible tuber is of ample economic and nutritional importance in the Tropical and Sub-tropical regions of the world (Sharma and Bastakoti, 2009). Dioscorea deltoidea is a perennial climbing plant, producing vigorous annual stems from a large underground tuber. The tubers Of Dioscorea are use in the management of a number of diseases such as gastrointestinal disorders, sour throat from struma, diarrhea, irritability, antimicrobial, antioxidant, stomachic and hypoglycemic activities [6]. Stems glabrous, twining clockwise. The database and code is licensed under a Descriptions of its tubers, indumentum, stems, leaves, male and female inflorescences, male and female flowers and capsules are also given. Planta Medica, 44, 107-110 (1982). Dioscorea deltoidea plant tissue suspension cultures are capable of metabolizing progesterone to 5α-pregnan-3-β-ol-20-one and 5α-pregnan-3β,20β-diol. Dioscorea polystachya is more tolerant to frost and cooler climates than other yams, which is attributed to its successful introductions and establishment on many continents. Although the protocol was originally modified for tuber tissues, it can be used also for extraction of RNA from rhizome, root, shoot and leaf. 20 14. The stems scramble over … It is harvested from the wild for local use as a food, medicine and source of materials. Geographical source: Dioscorea is found in North America, Japan, China, Mexico, India and Nepal. Furthermore, many species are important sources of pharmaceutical precursors. Proximate analysis. DIOSCOREA USED IN CHINESE MEDICINE. TOS 7. ex Griseb. It is a prickly climber; tuber 4 too many stalked, produced in branches close to the surface of the ground. Tubers ligneous, irregular. This species occurs in Assam, Bengal, Bihar, Orissa, and Andaman. ex Prain & Burkill) Sweet ex Bernardi, Tamus nepalensis Jacquem. Dioscorea deltoidea is belongs to family Dioscoreaceae which produce rhizomes or bulbils, having rich medicinal and economic value. Before publishing your articles on this site, please read the following pages: 1. Report a Violation, Digitalis Lanata: Sources, Macroscopical Character and Uses (With Diagram), Nux-Vomica: Sources, Macroscopical Character and Uses (With Diagram), Digitalis: Sources, Cultivation and Uses (With Diagram). Common names Diosgenin is used as a precursor for the synthesis of many steroidal drugs like corticosteroids, sex hormones and oral contraceptives. Last update on 2019-06-13: Now containing 11906 plants. Some of the species like Dioscorea alata L . is used to treat urino-genital disorders, helminthes infection, and constipation (Gangwar and Joshi, 2008). Tribals consume this Yam simply by boiling. 2007. D. deltoidea is also found in U.S.A. and Mexico. If you have any useful information about this plant, please leave a comment. Russian journal of plant physiology 6; Applied biochemistry and microbiology 3; Chemistry of natural compounds 2; Plant cell reports 2; Acta horticulturae 1; more Journal » Publication Year. ex Prain & Burkill. … Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves[. Yams (Dioscorea spp.) It is an extensive climber with unarmed stem twining to the left. Both transformation products are present as conjugates in this plant tissue culture. Yams (Dioscorea), auch Yam oder Yamswurzel genannt, sind eine Pflanzengattung aus der Familie der Yamswurzelgewächse (Dioscoreaceae). 1. Content Guidelines 2. X,Jézéquel C, H ugueny B. Crude fat was determined by exhaustively extracting samples in a Soxhlet apparatus using … Removal of the solvent under vacuum yielded 9-5 g of a brownish oil … Prohibited Content 3. Toggle facets Limit your search Text Availability. This is in the yam family, and the herb is sometimes simply referred to as. Dioscorea deltoidea is a PERENNIAL CLIMBER growing to 3 m (9ft 10in). 1. [6] Diosgenin kommt natürlich vorwiegend in den Wurzelknollen der Yams-Pflanze (Dioscorea) und den Samen des Bockshornklees (Trigonella foenum graecum) und weiteren Pflanzen vor. Some species are poisonous. with the Example of Qianjin Zhidai Wan. The results showed that the minimum inhibitory concentration (MIC) of Dioscorea deltoidea tubers extract was 50 µg/ml against P. aeruginosa. it is mainly found growing in North Western Himalayas from Kashmir and Punjab to Nepal and China. This video is unavailable. Dioscorea deltoidea: Steamed or boiled and used as staple: Varlang: Dioscorea triphylla: Steamed or boiled and used as staple: 2.2. The native people of Southern Thailand use yam tubers to cure warts (Maneenoon et al., 2008). Some tubers are sweet and some are bitter in taste, due to their high content of phenolic compounds and other anti-nutritional factors. International Research journal of pharmacy, 3(3), 152-156. Dioscorea deltoidea of Uttarakhand are the rich sources of diosgenin. Plant Cell Reports, 2, 219-222 (1983). Comments have to be approved before they are shown here. In India, the plant grows wildly in Western Himalayas, Karnataka, Kashmir, West Bengal, etc. Synonym is Yam, Rheumatism root. It is a climber with glabrous or finely pubescent stem. Hamayun M. Traditional uses of some medicinal plants of Swat Valley, Pakistan. 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 … Family: Dioscoreaceae . They kill lice. Disclaimer 9. The tubers are starchy and free from dioscorine. Tedesco P, Bigorne R, Bogan A E, Giam . The tubers are used as food edible. This plant is already in endangered list category, so tubers need to be sustainably harvested on habitat rotation basis and plant should be cultivated on mass scale for its optimum utilization. The tubers are rich in saponin and are used for washing silk, wood and hair, and in dyeing. Richard Morris. Flora of China Illustrations vol. and D. esculenta (Lour.) Mucilage content varies at different developmental stages of Dioscorea and the present protocol was effective in isolating RNA from such samples. The tubers are washed, dried, sliced and extracted with hot water or 95% ethyl alcohol for several hrs. Sterol: Cholesterol, stigmasterol, P-sitosterol. Pak J Forestry 2010;60(2):21-30. 24, fig. 40-60 for 96 hr. Dioscorea is a monocot having starchy tuberous root. The tubers of Dioscorea constitute a chief source of Carbohydrates mainly starch (75%). Diosgenin is obtained from dried tubers of Dioscorea deltoidea (Family- Diascoreaceae). Dioscorea is found in North America, Japan, China, Mexico, India and Nepal. It is in flower from September to October. Plagiarism Prevention 4. Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. They have a sweetish taste; in flavour and mealiness, closely resemble potatoes. Tubers of 12 wild Dioscorea species available in Odisha have sound nutritional values, but have low palatability due to their bitterness (Kumar et al., 2012). 11. The alcoholic extract is concentrated under vacuum and the glycosides is precipitated with solvent ether or by lead acetate (in the case of acid saponin) followed by hydrolysis and extracted with petroleum ether, 40-60°C will isolate the diosgenin. Dioscorea consists of the dried tubers of a number of wild and cultivated Dioscorea species like D. deltoidea Wall, D. prazeri Prain, D. floribunda Mart and D. composite. Useful Tropical Plants Database 2014 by Dioscorea deltoidea is a perennial climbing plant, producing vigorous annual stems from a large underground tuber. The tuber mucilage of Dioscorea borneensis R.Knuth (syn. It is a climber with stems twining to the right. [7] Strukturell handelt es sich dabei um das Aglykon von Dioscin. Diosgenin play an important role in the cholesterol metabolism. The tuber is usually single with few rootlets; skin reddish; flesh white, soft and edible. Dioscorea nepalensis (Jacquem. Some species like D. esculenta are sweet in taste. 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. DIOSCOREA Synonyms: Yam, Rheumatism root Biological source: Dioscorea consists of the dried tubers of a number of wild and cultivated Dioscorea species like D. deltoidea … 174. The tuber extract of D. deltoidea Wall. Steroidal saponin glycosides: Dioscin and its aglycone is diosgenin. PDF | The Uttarakhand is highly enriched with edible wild tubers. Dioscorea deltoidea Uses India (Kumaon region, Western Himalayas): tubers cut into pieces, steeped in water, and boiled prior to eating; (Garhwal Himalayas): tubers eaten after repeatedly boiling, washing and … Drawing of the leaves, root, flowers and seed. The antimicrobial activity of the all extracts of Dioscorea deltoidea were studied against ten (gram negative and gram positive bacteria) and three fungal stain. The roots of most, if not all, members of this genus, contains diosgenin. Generally it is a climber containing alternate root. General Information. By far the most common is Dioscorea opposita, for which the rhizome (tuber) is used; it is called shanyao (mountain herb). Fig 1 - 5 only. According to Kaul and Staba (1968), diosgenin is obtained commercially, principally from the tubers of D. composita, D. floribunda, D. tepinapensis, D. prazeri, D. deltoidea, D. … Also found in U.A.S. Ken Fern, Indian J Traditional Knowledge 2007;6:636-41. Dioscorea tubers are straight and zinger like shaped. are a multispecies crop with production in over 50 countries generating ~50 MT of edible tubers annually.The long-term storage potential of these tubers is vital for food security in developing countries. Muslim M. Sikander S. Ethnobotany of medicinal plants of Leepa Valley (Azad Kashmir). The moisture content, ash, crude fat, crude protein and crude fibre were determined in accordance with the standard methods of the AOAC (1980). 10. 9. This paper focuses on the taxonomy, morphology and habitat of Dioscorea dregeana, collected from Mpumalanga, South Africa. The largest may weigh 10 pounds and grow one meter underground. Physical Characteristics. Root tuber juice of D deltoidea antihelminthic#alleviates constipation. In vitro Antimicrobial Activity of Garhwal Himalaya Medicinal Plant Dioscorea deltoidea Tuber. D. prazeri: Stout horizontal creeping, freely branched, branched about 10 cm long; 1.5 to 2 cm wide, grey brown-blackish, fresh white or creamy. Alkanes of tubers of Dioscorea deltoidea 1119 eluted with n-hexane and the first 2 ml of eluate collected and evaporated to dryness to yield 2 mg of a waxy solid. – Singali- mingali (सिंगली- मींगली) ... 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