web interface by 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. Comments have to be approved before they are shown here. Stems glabrous, twining clockwise. Yams (Dioscorea spp.) Int J Herb Med 2013;1(4):67-70. Some tubers are sweet and some are bitter in taste, due to their high content of phenolic compounds and other anti-nutritional factors. The antimicrobial activity of the all extracts of Dioscorea deltoidea were studied against ten (gram negative and gram positive bacteria) and three fungal stain. 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]. 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. 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. … ex Prain & Burkill. Some species like D. esculenta are sweet in taste. Copyright 10. Root tuber juice of D deltoidea antihelminthic#alleviates constipation. Diosgenin ist ein steroides Sapogenin, welches hauptsächlich der industriellen Produktion von Steroidverbindungen, oralen Kontrazeptiva und Sexualhormonen dient. Disclaimer 9. Drawing of the leaves, root, flowers and seed. 318, 1-5, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. This species occurs in Assam, Bengal, Bihar, Orissa, and Andaman. Toggle facets Limit your search Text Availability. There are about 15 species of this genus which are known to contain steroidal sapogenins. The moisture content, ash, crude fat, crude protein and crude fibre were determined in accordance with the standard methods of the AOAC (1980). In India, the plant grows wildly in Western Himalayas, Karnataka, Kashmir, West Bengal, etc. Return to ITM Online. Common names Geographical source: Dioscorea is found in North America, Japan, China, Mexico, India and Nepal. [6] Diosgenin kommt natürlich vorwiegend in den Wurzelknollen der Yams-Pflanze (Dioscorea) und den Samen des Bockshornklees (Trigonella foenum graecum) und weiteren Pflanzen vor. ex Griseb. Flora of China Illustrations vol. Einige Arten sind wichtige tropische Nahrungs- und Heilpflanzen. 4. The tubers of Dioscorea constitute a chief source of Carbohydrates mainly starch (75%). 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. 24, fig. This paper focuses on the taxonomy, morphology and habitat of Dioscorea dregeana, collected from Mpumalanga, South Africa. 9. 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 … 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. X,Jézéquel C, H ugueny B. Rhizomes of D. deltoidea: Horizontal tubers, digitate, chestnut brown with recoiling roots. 1. They kill lice. of Garhwal Himalaya wild tuber Dioscorea deltoidea. The tuber mucilage of Dioscorea borneensis R.Knuth (syn. 40-60 for 96 hr. Last update on 2019-06-13: Now containing 11906 plants. It is also used to alleviate constipation. it is mainly found growing in North Western Himalayas from Kashmir and Punjab to Nepal and China. Leaves alternate, simple, cm long, cm broad, ovate or subdeltoid-ovate, often. 2007. Citation in PubAg 23; Journal. It is in flower from September to October. Descriptions of its tubers, indumentum, stems, leaves, male and female inflorescences, male and female flowers and capsules are also given. Removal of the solvent under vacuum yielded 9-5 g of a brownish oil … … TAL, B., J. S. ROKEM, and I. GOLDBERG: Factors affecting growth and product formation in plant cells grown in continuous culture. Richard Morris. – Singali- mingali (सिंगली- मींगली) ... As the tubers are over exploited for trade due to its edible and medicinal uses. 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. and D. esculenta (Lour.) 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. 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. The tuber extract of D. deltoidea Wall. The database and code is licensed under a Useful Tropical Plants Database 2014 by General Information. Planta Medica, 44, 107-110 (1982). 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 tubers are straight and zinger like shaped. 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). This video is unavailable. The roots of most, if not all, members of this genus, contains diosgenin. Diosgenin is used as a precursor for the synthesis of many steroidal drugs like corticosteroids, sex hormones and oral contraceptives. Dioscorea is a genus of over 600 widely distributed species. Die bis zu 800 Arten sind hauptsächlich in den Tropen verbreitet. Burkill., have been cultivated for a long time for their edible tubers. TAL, B. and I. GOLDBERG: Growth and diosgenin production by Dioscorea deltoidea cells in batch and continuous cultures. By far the most common is Dioscorea opposita, for which the rhizome (tuber) is used; it is called shanyao (mountain herb). Muslim M. Sikander S. Ethnobotany of medicinal plants of Leepa Valley (Azad Kashmir). Dioscorea deltoidea is a perennial climbing plant, producing vigorous annual stems from a large underground tuber. The largest may weigh 10 pounds and grow one meter underground. Dioscorea deltoidea: Steamed or boiled and used as staple: Varlang: Dioscorea triphylla: Steamed or boiled and used as staple: 2.2. 174. 1. Physical Characteristics. Dioscorea deltoidea is a PERENNIAL CLIMBER growing to 3 m (9ft 10in). Synonym is Yam, Rheumatism root. Crude fat was determined by exhaustively extracting samples in a Soxhlet apparatus using … Diosgenin play an important role in the cholesterol metabolism. Dioscorea deltoidea Wall. International Research journal of pharmacy, 3(3), 152-156. Some species are poisonous. Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves[. Tubers are used as famine food by the Tribals of Tripura. 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