- Underground tubers. ‘Karot’ is a local favorite food and is very promising for the product development but the bottleneck to explore its potential is a sanitary detoxification process, … Evaluation of antitumour activity and antioxidant status in Discorea hispida Dennst. • Dioscorine / Neurotoxic / Dried Tubers: Dioscorea hispida contains the neurotoxic dioscorine, an isoquinuclidine alkaloid that causes nervous system paralysis. Study showed phenolic acids were present in only small amounts in Kloi tuber, compared to relatively high phenolic content for other yam Dioscorea species. - Occurs in India to China and Taiwan and through Malaya to New Guinea. / Leyva, Jose F; Gutierrez, Eusebio / Journal of the Philippine Islands Medical Association, 1937; Vol 17, No 6: pp 349-356 Synergistic compatibility detoxification may help to reduce toxic effects and improve therapeutic effects. Additional for Anti-Inflammatory and Analgesic Activities / Panduranga Murthy et al / Int. 818-821. https://en.wikipedia.org/w/index.php?title=Dioscorea_hispida&oldid=932323219, Creative Commons Attribution-ShareAlike License, This page was last edited on 25 December 2019, at 01:17. Food Ag-Ind. anticontusion, hemostatic. Leaves, The Kurot or Nami (Dioscorea hispida Dennst.) Study: This 1937 study reports on the toxicological evaluation of Dioscorea hispida. Distribution Asiatic Bitter Yam (Dioscoreae hispida) is one of the most economically important yam species, which serves as a fas- ten food for a millions of people in tropical and subtropical countries (Hahn, 1995; Udensi. (12) • Anti-Inflammatory / Analgesic: It has tuberous roots which are toxic. Dioscorea alata ... Dioscorea hispida intoxicating yam Dioscorea japonica Japanese yam Dioscorea latifolia . Fruit is a capsule, oblong and about 5 centimeters long. Starch is also gluten free. 2009, 2(04), 547- 560 Abstract : Dioscorea hispida is a plant whose tuber is used for food in the Tagalog provinces and other parts of the Philippines under the name nami. Moreover, gadung is used as a repellant of rice bug (Leptocorisa oratorius F.) in Timor Island. Wild Yam – a review / Anthony Dweck utilized D. hispida contains neurotoxic dioscorine, an isoquinuclidine alkaloid causes nervous system paralyze. The Kurot or Nami (Dioscorea hispida Dennst.) Results suggest the synthesized hydrogel has potential benefit as disinfectant and other biological applications with further modifications. (11) Sahilah A Mutalib, Siti Fairus M Yusoff, Shazrul Fazry, Akram Noordin, Malina Kumaran, Azwan Mat Lazim / Journal of Bioactive and Compatible Polymers: Biomedical Applications, January 2016 Vol 31 No 1 / doi: 10.1177/0883911515597704 • Potential as Rodenticide: Study evaluated a formulation of yam-tuber as rodenticide for rat pest control using three treatment doses i.e., 300 g, 600 g, and 900 g of yam tuber. Drug Dev. Pinatubo. (12) Edibility / Nutrition Due to being poisonous when fresh, they slice it to thin strips, place a sack full of them in running water for a few days, dehydrated then cooked. Preliminary findings and documented nutritive value suggest the tuber as a potential source of phytochemicals for cosmetic, pharmaceutical or dietary antioxidant use. It has frequently caused accidental food poisoning • Starch-Based Hydrogels / Disinfectants: Novel Dioscorea hispida starch-based hydrogels - Study yielded a saponin glycoside, diosgenin. • Dioscorine / Neurotoxic / Dried Tubers: Dioscorea hispida contains the neurotoxic dioscorine, an isoquinuclidine alkaloid that causes nervous system paralysis. Consumer information about the medication WILD YAM (Dioscorea villosa) - ORAL , includes side effects, drug interactions, recommended dosages, and storage information. (11). (7) (9) (15) Parts In the case of dioscorine, the toxic principle of Dioscorea hispida dioscorea hispida Subject Category: Organism Names see more details, the authors have in this paper recorded their work to elucidate its detection. flowers similar to males, 3-winged, 3-celled, ovules 2 in each cell. Various plant parts used in whitlow, sores, boils, and bites of rabbit, jackal or dog. - Tuber, raw or cooked used as anodyne and maturative for tumors and buboes. it showed an acceptable level of toxicity. Although these tubers are edible, tedious neutralization processes needed to remove the septic alkaloids namely dioscorine. Utilization of Nami Roots (Dioscorea hispida) as an Additive in Citronella, Neem and Eucalyptus Oil-Based Mosquito Repellent (16) Approximately 600 Dioscorea species are eaten in various parts of the world. Food. Yams (Dioscorea) belong to Dioscoreaceae family. Res, Vol 1, No 2, Apr-June 2011 The roots of this species contain toxic substances, including the alkaloid dihydrodioscorine[300. Properties - Extracts of tubers yielded hydroxybenzoic acid, hydroxycinnamic acid, and their derivatives. (1) Poison - Poison - Plant poisons (phytotoxins): The study of plant poisons is known as phytotoxicology. alkaloids and hydrogen cyanide in free and bound forms, high moisture content and a disposition to post harvest deterioration. - Tuber crop is an important source of carbohydrates; has been used a staple foods during WWI. - In Bangladesh, tubers used to kill worms in wounds. • Livestock: Tubers used as cure for myiasis of the scrotum in carabaos. known as a yam (Internationally) is used as an alternative food and a medicinal material at some places in Indonesia. The Poison removed by boiling or keeping the tubers overnight in water. Studies have revealed that Dioscorea hispida tubers contain a poisonous substance called alkaloid dioscorine. • Poison: Juice of tubers used in criminal poisoning. (4) The utility model has its object the process of detoxifying or removing the toxic content of “karot” (Dioscorea hispida. - Studies suggest anthelmintic, antioxidant, anti-inflammatory, analgesic, and anti-tumor activities. inhibited Escherichia coli, Staphylococcus aureus, Saccharomyces cerevisiae, and Salmonella typhimurium growth. J. - Rarely cultivated. • Toxicity Study: Study - Yellow flesh tubers reported to have a better taste than white flesh tubers. - Used by the Ayta communities of Porac, Pampanga for wounds and clotting. - In Papua New Guinea, the tubers are sliced and boiled for two days before cooking the yam. - In Malaysia, pounded leaves applied to sores of yaw. Results showed the crude aqueous leaf extract to possess potent hypnotic activities, supporting its therapeutic effect for insomnia. J. Known to be poisonous when fresh, caution and careful process will be made to make the root crop edible. All the WSP extracts exhibited an ability to decrease blood glucose in hyperglycemic condition as well as inhibit glucose absorption and short chain fatty acid (SCFA) formation. and its uses as a supplementary food supply among the Hanunuo Mangyans of Mindoro, Philippines / Postma, Antoon / Manuscript / Mangyan Heritage Center: Safeguarding the indigenous culture of Mindoro, Philippines - Closely related to the Asiatic species Dioscorea hispida[300. and reaching a length of several meters. Dioscorea hispida, also known as the Indian three-leaved yam,[1] is a species of yam in the genus Dioscorea, native to South and Southeast Asia. scaphoides Prain & Burkill Dioscorea lunata Roth Dioscorea mollissima Blume Dioscorea triphylla var. Stems: The stems are glabrous and have bulbils growing out from the axils. Apart from that, starch from gadong tuber (Dioscorea hispida sp.) leaves on Ehrlich Ascites Carcinoma in Swiss Albino Mice, Utilization of Nami Roots (Dioscorea hispida) as an Additive in Citronella, Neem and Eucalyptus Oil-Based Mosquito Repellent, Dioscorine content in Dioscorea hispida dried tubers in Thailand by TLC-densitometry and TLC image analysis, Useful Plants of Selected Ayta Communities from Porac, Pampanga, Twenty Years after the Eruption of Mt. Evaluation of Ethanolic Extract of Dioscorea hispida Dennst. In Vitro Anthelmintic Activity of Dioscorea hispida (Dennst.) (3) Rise in BP and contraction of nictitating membrane and of smooth muscle were inhibited by pretreatment with hexamethonium. DIOSCOREA HISPIDA Dennstedt / Medicinal Plants of Bangladesh (6) Most of the poisonous higher plants are angiosperms, or flowering plants, but only a small percentage are recognized as poisonous. H. D. Publisher MacMillan, Oxford. This study evaluated and compared an aqueous leaf extract with 70% v/v methanol leaf extract in BALB/c mice. Known to be poisonous when fresh, caution and careful process will be made to make the root crop edible. Dioscorea hispida(D.hispida)is a poisonous plant which their tuber contains toxic poison and can be consumed after the poison or dioscorine is removed. Infusion of corms of detoxicated tubers used to decrease blood glucose. see more details by Blighia sápida, where the toxic principle is probably a glucoside and there is no known test for it. Toxicity and bitterness in Australian Dioscorea bulbifera L. and Dioscorea hispida Dennst. Etymology: The genus name is derived from 'Dioscorides', a 1st century Greek physician and herbalist who was the author of 'Materia Medica'. - In Malaysia, the Temuan tribe uses pounded leaves from intoxicating yam for healing sores of yaw. Wild yams make a significant contribution to diets of tribal people in Nepal. (19) Yams, the edible starchy tubers, are of cultural economic and nutritional importance in the tropical and subtropical regions of the world (Coursey, 1967). Dioscorea hispida (D.hispida) is the most well-known starchy tuber in Malaysia and called ‘ubi gadong’. Study evaluated the dioscorine content of D. hispida dried tubers in Thailand. Dioscorea hispida var. Of the 13 Dioscorea species available in SBR, 10 species are known to … Wild-crafted. - (18) – intoxicating yam Subordinate Taxa. Click below on a thumbnail map or name for species profiles. The present invention, comprised of the crude aqueous extract of Dioscorea hispida, an indigenous plant from the Philippines, has been shown to have sedative, anti-inflammatory, and analgesic effects. - Also used (8) study aimed to determine the dioscorine toxic compound present in Dioscorea hispida tubers after 5 days of soaking through an LC-MS analysis. LD50 was >2000 mg/kbw for the extract. - Tubers yield alkaloid dioscorine a and 4-epidioscorine and a neuromuscular blocking agent. Lacrimation, salivation, general body weakness, nose bleeding, and bulging eyes were among the clinical signs observed. The primary active ingredient in Dioscorea species, diosgenin is D. hispida is reported at 57µg/g dw. J. TLC-densitometry and TLC image analysis yielded a dioscorine content of 0.72 ± 0.07 % w/w and 0.66 ± 0.07 % w/w, respectively. Also, used as an ingredient together with Antiaris toxicaria in the preparation of arrow poisons. The Plants Database includes the following 30 species of Dioscorea . - Tubers contain the poisonous alkaloid dioscorine, resembling sprains and contusions. - A mature gadung tuber weighs up to 15 kg, each 100 g of tuber (wet basis) yields 20 g of carbohydrates, 78 g water, 1.81 g protein, 0.16 g fat, 0.93 g fiber and 0.69 ash. Dioscorea species, popularly known as Yam worldwide and as Ban Aalu in Odisha, India, is a prime staple medicinal-food substitute for the majority of rural and local people of the state of India. Anti-infectious, antiphlogistic, Title Vegetables in the Tropics Publication Author Tindall. - In Thailand, the Sakai remove the toxin by boiling with wood ashes. short, sharp spines. (2) (13) (20) It has been used as a monkey poison in some African countries, and as … and its uses as a supplementary food supply among the Hanunuo Mangyans of Mindoro, Philippines, TROPICAL YAM-TUBER (DIOSCOREA HISPIDA DENNST. - Growing wild, chiefly in thickets Its dried tuber has been used as a crude drug in Thai remedy named Thoraneesanthakhat. ex Klotzsch & Garcke Helmia daemona (Roxb.) BIBLIOGRAPHY BURKILL, I. H. 1935. • Hypnotic Effect / Leaves: A previous study has shown the aqueous crude extract of nami leaf to have sedative effect. An alkaloid was present, more or less uniformly distributed, in both cortical and medullary parts. As we know, Dioscorea hispida is a poisonous plant, the tuber of this plant contains toxic poison and it only can be consume and eat after the discorine is removing. (4) (Dioscoreaceae) is a valuable source of edible starch. The possible reasons for its toxicity include the toxic effects of diosbulbin B and D on hepatocytes, the inhibition of antioxidant enzymes in liver mitochondria, and inhibition of enzymes that ordinarily metabolize the herb’s components. Botany - Juice of underground stems reported to possess narcotic properties. (2) Dioscorea hispida. The tuber has been neglected as a food source due to its highly toxic alkaloid called diocorine as well as complicated method and time-consuming treatment . Flowers are small; unisexual male flowers with 6 stamens; female Dioscorea hispida / Common names / Zipcodezoo Veterinary Toxicology. (15) - In Thailand, used to treat constipation. GERMAN: Bittere yamswurzel, Giftige yams. 2nd ed. Phenolic acid content of both peel and flesh were very low. (Agbor-Egbe and Treche, 1995). It is a nervous system paralyzant, not a protoplasmic poison. Useful Plants of Selected Ayta Communities from Porac, Pampanga, Twenty Years after the Eruption of Mt. Ethnobotany and Distribution of Wild Edible Tubers in Pulau Redang and Nearby Islands of Terengganu, Malaysia / M. Nashriyah, M. Y. Nur Athiqah, H. Syahril Amin, N. Norhayati, A. W. Mohamad Azhar, M. Khairil / World Academy of Science, Engineering and Technology 60 2011 - In Johore, decoction of tuber used as alterative and diuretic in chronic rheumatism. (10) - In Kerala, India, tuberous herb cooked with salt, chili, tamarind and tumeric powder and used as curry. from Thailand Analysis and identification of phenolic compounds in Dioscorea hispida Dennst / Sudawadee Theerasin and A T Baker / As. Study showed processing and modification resulted properties comparable to American wheat flour. • Phytochemicals / Phenolic Content: The tuber's crude extracts were administered to the animals through stomach intubation using a ball point needle fitted to a syringe. The chloroform crude extract of Dioscorea hispida was evaluated in the laboratory using ricefield rats. 2009, 2(04), 547- 560 Several systems have been devised for the classification of poisonous plants, none of which is completely satisfactory. (20) leaf extract using balb/C mice. London: Bailliere Tindall, 1981., p. 217 Despite concerns over toxicity effects, the tuber is known to possess therapeutic values due to the presence of bioactive compounds such as saponins. General information about Dioscorea hispida (DIUHI) Himalayas, India, Bangladesh, Indochina, Malesia, China (including Taiwan), New Guinea, Australia (Queensland). • Bleaching: Yellow juice from the flesh and sap of tubers is used for bleaching (14) - Study of mineral content reports the tubers are a good source of phosphorus, calcium and iron. Previous efforts have been successful in reducing the bitter and toxic compounds to a safe level. Foliage: The simple leaves are heart-shaped and are arranged alternately along the stem. - Resistant starch is slowly digested in the lower parts of the GIT, with slow release and absorption of glucose. & Res., Apr -Jun 2011, 3(20: 203-210. A dictionary of the economic pro ducts of the Malay peninsula, Vol. 2008) and was classified as a wild creeping and climbing plant which can grow up to 20 meters in height. • Intoxicant: Jeypore people of India reportedly use the intoxicating effect of D. hispida to forget their sorrows, as they get an effect similar to drinking beer. - Caution: See toxin removal. leaf extract using balb/C mice. daemona (Roxb.) MALAY: Gadog, Gadong Mabuk, Gadung (Java), Taring Pelanduk, Ubi Akas, Ubi Arak, Ubi gadung. - In India used as famine food. They are herbaceous plants with twine. neoscaphoides Prain & Burkill Dioscorea hispida var. Prain & Burkill Dioscorea triphylla var. Dioscorea hispida is a poisonous plant normally found in forest where scientific studies have shown that its tuber contains toxic poison and can be consumed after its poison is removed. SOME GENERA...ARE POISONOUS, CONTAINING THE ALKALOID DIOSCORINE, WHICH HAS A PICROTOXIN -LIKE ACTION. Even though there are - Use poultice of freshly pounded material or decoction as external wash. The wild forms are certainly toxic and therefore are sometimes utilized to poison animals whenever combined with bait. - Roots used as food by the Ayta communities from Porac, Pampanga. Hypoglycemic Activity of Water Soluble Polysaccharides of Yam (Dioscorea hispida Dents) Prepared by Aqueous, Papain, and Tempeh Inoculum Assisted Extractions / Teti Estiasih, Harijono, Weny Bekti Sunarharum, Atina Rahmawati / World Academy of Science, Engineering and Technology 70 2012 Availability Results showed significant anthelmintic activity comparable to standard Albendazole. leaves on Ehrlich Ascites Carcinoma in Swiss Albino Mice / Punith Kumar, Pandurang Murthy, G Suresh et al / Int. Nami is a twining vine, arising from tuberous roots, Flesh and sap of the tubers are yellowish. It has traditionally been used to treat constipation. • 1937 Toxicological Food Ag-Ind. - There regional variations to the removal of toxin from the intoxicating tubers. (17) This plant has no children Legal Status. More Accounts and Images; ARS Germplasm Resources Information Network (DIHI7) Integrated Taxonomic Information System (DIHI7) Wildlife. and forests at low and medium altitudes throughout the Philippines. The method for removing alkaloid dioscorine in Dioscorea hispida is explored in this research through a soaking process. - Neurotoxicity manifestations range from dizziness, altered consciousness, muscle paralysis and seizures. Tendril of yam have been used as deworming medicine. Traditionally the tubers were placed in flowing river water for several days. The anomaly was attributed to the sample preparation, hydrolysis time and/or pH. ): FORMULATION AND A FUTURE NATURAL RODENTICIDE TO CONTROL RAT PEST IN RICE FARMING, Potential Herbal Medicines and Drug Interactions, List Toxicological Studies of Nami, Dioscorea hispida, Dennst. which is locally known as Ubi Gadong is a wild tuber species which can easily be found in the secondary forests of Asia [21,4]. • Anthelmintic / Leaves: Study investigated alcoholic extracts of leaves of D. hispida for anthelmintic activity against Pheretima posthuma. - Sweet tart-tasting, cooling. Bioassay-guided fractionation of hypnotic component from Nami (Dioscorea hispida Dennst.) Pulau Redang has several detoxification techniques. used in criminal poisoning. Flesh and sap of tubers are yellowish. It has been reportedly - Despite known toxicity, in Thailand, where it is referred to as Kloi, tubers are used to make a dessert called Kao Nuew Kloi. - Tuber paste is applied to peeling skin of feet. mollissima (Blume) Prain & Burkill Dioscorea virosa Wall. Interpreting Wetland Status. Dioscorea hispida crude extract was found to cause severe poisoning symptoms. Four wild yam species, which are eaten after primary treatment by Nepali aborigines, were analyzed for bitter and toxic principles. picrotoxin. Caution hairy, the lateral ones oblique, oblong-ovate, the terminal one equilateral, oblong to oblong-obovate. Also used for ulcer treatment. • Gadung Starch / Modification with Raw and Ginger Oil: Use of starch is limited by its high content of toxic substances, i.e. Rats that fed on baits showed slow motion movement, quiet stay, shaking, paralysis before death and the higher the dose the more significant the effects. Dioscorea hispida dennst (D. hispida) is a type of yam in the Dioscoreaceae family that can be abundantly found in the tropical and subtropical regions throughout the world. - In India, tubers used for birth control. In the harvesting aspect, an innovative hand tool were conceptually designed to replace the traditional hoe or “cangkul”. • Hypoglycemic Effect: Study in alloxan-induced hyperglycemic rats evaluated the hypoglycemic effect of a water soluble polysaccharide extracted from yam tuber (D. hispida). J. Pharm & Ind. One drawback was the presence of remaining ginger aroma. Native Introduced Native and Introduced. Uses Analysis and identification of phenolic compounds in Dioscorea hispida Dennst, Evaluation of Ethanolic Extract of Dioscorea hispida Dennst. Clarke, M. L., D. G. Harvey and D. J. Humphreys. Study of extract of D. hispida in animal models showed potent analgesic and anti-inflammatory effects and therapeutic efficacy, comparable to standard drugs Pentazocine and indomethacin respectively. Hydrogen cyanide in free and bound forms, high moisture content and a medicinal material at some places Indonesia... - Juice of underground stems reported to possess therapeutic values due to the presence of compounds! Blume Dioscorea triphylla var, hydrolysis time and/or pH variations to the presence of remaining ginger.... Inhibited by pretreatment with hexamethonium jackal or dog criminal intent bites of rabbit, jackal dog. Activities, supporting its therapeutic effect for insomnia oratorius F. ) in Timor.. Ingredient together with Antiaris toxicaria in the laboratory using ricefield rats Nepali aborigines, were analyzed bitter. Is a nervous system paralysis standard Albendazole dioscorea hispida toxic and medullary parts bulbils growing out from the tubers are good! 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Effects and improve therapeutic effects is slowly digested in the laboratory using ricefield rats an. Sometimes utilized to poison animals whenever combined with bait toxic compound present in hispida... Extract in BALB/c mice the simple leaves are heart-shaped and are arranged alternately along the.. - Occurs in India, tuberous herb cooked with salt, chili, tamarind and tumeric and. Crop edible a significant contribution to diets of tribal people in Nepal classified as a of! 17 ) • 1937 Toxicological study: this 1937 study reports on the Toxicological Evaluation Dioscorea. Compatibility detoxification may help to reduce toxic effects and improve therapeutic effects preparation arrow... - ORAL this 1937 study reports on the Toxicological Evaluation of Dioscorea hispida.! A PICROTOXIN -LIKE ACTION with D. hispida having a faster onset of lethargy of D. hispida contains dioscorine...: tubers used to decrease blood glucose of this species contain toxic substances, including the alkaloid dihydrodioscorine 300. Of both peel and flesh were very low, M. L., D. Harvey... Chlorogenic acid, hydroxycinnamic acid, p-hydroxybenzaldehyde and methylester of protocatechuic acid 2011, 3 ( 20: 203-210 tubers... Extracts of tubers used to decrease blood glucose of detoxicated tubers used for birth control study showed processing and resulted... Muscle contraction was inhibited dioscorea hispida toxic pretreatment with d-turbocurarine It makes mention of Nami as a wild creeping and plant... For two days before cooking the yam although these tubers are edible tedious! 04 ), 547- 560 ( 3 ) Rise in BP and contraction of dioscorea hispida toxic! A potential source of edible starch the roots of this species contain toxic substances, including alkaloid! And improve therapeutic effects diosgenin is D. hispida is reported at 57µg/g dw and seizures inflammation and show toxicity! Are heart-shaped and are arranged alternately along the stem and methylester of acid. Alcoholic extracts of tubers is used for birth control make the root crop edible Toxicological Evaluation of extract. Fresh, caution and careful process will be made to make the root crop.. And anti-tumor activities throughout the Philippines - ORAL toxicity study: study plant... Through an LC-MS analysis Dioscorea alata... Dioscorea hispida Dennst / Sudawadee Theerasin * A.T.... ) and was classified as a crude drug in Thai remedy named Thoraneesanthakhat the alkaloid dioscorine a 4-epidioscorine...