Simulation and analysis for harvesting dioscorea hispida. Information is also included on related species occurring in florida, including winged yam, d. Germplasm in terengganu and phylogenetic relationships of dioscorea spp. It has been used as a monkey poison in some african countries, and as an arrow poison to aid in hunting in several parts of asia. Gadung tuber dioscoreae hispida dennst, known as umbi. Ars germplasm resources information network dihi7 integrated taxonomic information system dihi7.
Small long slender tuber, bark and flesh light yellow. Small tubers can be cut into 2 4 sections, larger ones into 6 8 sections. It is closely related to air potato dioscorea bulbifera. Please note that this is a trial program and may end. The present invention, comprised of the crude aqueous extract of dioscorea hispida, an indigenous plant from the philippines, has been shown to have sedative, antiinflammatory, and analgesic effects. Each block will be separated at about two meters from each other and will be planted with three tre es in each row for two rows in a block plot. Taxonomic serial no 506491 download help dioscorea hispida tsn 506491 taxonomy and nomenclature kingdom. Quantification of dioscorine in dioscorea hispida dennst. Moreover, the phenolic compounds cyanidin3glucoside and the procyanidin dimers b1 and b3 were reported from dioscorea alata6. Tubers of nepal, plant foods for human nutrition 60. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and which creates.
The sedative effect is comparable to sodium barbiturate, a potent sedative and anaesthetic, with d. Dioscorine content in dioscorea hispida dried tubers in. They are eaten only after having been steeped in water for 36 hours. Preface the air potato management plan was developed to provide a synthesis of the information available on dioscorea bulbifera and its management in florida. We report herein the isolation of long chain alkyl transferulates 1, a mixture of 1 and. Development of automatic alkaloid removal system for dioscorea hispida as shown in figure 1 and 2 can replace for automatic operation using on off solenoid valve while the peripheral interface controller pic are use for controlling input and output signal from sensor, solenoid valve and motor pump. The genus consists of about 630 species of almost wholly dioecious plants, many of them poorly characterized. Research article analysis and identification of phenolic compounds in dioscorea hispida dennst sudawadee theerasin1 and a. Gadung dioscorea hispida dennst tuber contains dioscorin, an alkaloid with high angiotensin converting enzymeinhibitory capacity.
Removal of cyanides from gadung dioscorea hispida dennst. August 5, 2019 this ethnobotanical study was conducted to document local knowledge and potentials of dioscorea hispida dennst. Chemical constituents of dioscorea luzonensis schauer. Leaflets subequal, to 17 x 12 cm, obovate, abruptly sharply acuminate at apex, cuneate to the base, shortly petiolulate, ribs 5, prominent intercostae coarsely reticulate, thinly hispid. Air potato dioscorea bulbifera 3 three other introduced species of dioscorea may be encountered in florida. Metabolite profiling of dioscorea yam species reveals. Yam is the common name for rhizomes of plants from the genus dioscorea which are widely distributed all over the world. It is named after the ancient greek physician and botanist dioscorides.
Internal transcribed spacer its as a molecular marker for identification of dioscorea hispida dennst. Pdf ethnobotany and distribution of dioscorea hispida. A practical guide to identifying yams university of hawaii. Application of anatomy and hptlc in characterizing species. Analysis and identification of phenolic compounds in dioscorea hispida dennst sudawadee theerasin and a t baker as. Its dried tuber has been used as a crude drug in thai remedy named. The edible tubers from different species of dioscorea are a major source of food and nutrition for millions of people. Dioscorine content in dioscorea hispida dried tubers in thailand by. Dioscoreaceae article pdf available january 2012 with 1,217 reads. Dioscorine is an alkaloid toxin isolated from the tubers of tropical yam on several continents. The advancement of technology should introduce in most important area.
Its distribution ranges from india and southern china to new guinea mat et al. Lavezares, northern samar, philippines in terms of its moisture. It was first isolated from dioscorea hirsute synonymous with dioscorea hirsuta by boorsma in 1894 and obtained in a crystalline form by schutte in 1897. Keywords gadung tubers, food diversification, staple food, flour, snack. The cyanide level dropped significantly after the 3rd wash.
Ubi gadong d ioscorea hispida is a toxic plant which contains toxic poison. Microwave assisted extraction of dioscorin from gadung dioscorea hispida dennst tuber flour. The taxonomy of dioscorea is confusing and identification of the 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. Physicochemical properties of starch from dioscorea. Toxicological studies of nami, dioscorea hispida, dennst. The complete paper in pdf format, bitterness and toxicity in wild yam dioscorea spp. This name is the accepted name of a species in the genus dioscorea family.
The vast majority of the species are tropical, with only a few species extending into temperate climates. This ethnobotanical study was conducted to document local knowledge and potentials of dioscorea hispida dennst. Reproduced from the series plant resources of southeast asia, by kind permission of the prosea foundation, bogor, indonesia. Dioscorea alata ufifas center for aquatic and invasive. It is sometimes confused with taro and the okinawa sweet potato ipomoea batatas cv. Dioscorea batatas is called chinese yam, cinnamon yam, wild yam, or common yam. Some of the species are medicinally important but others are toxic. Tubers are poisonous but consumed at the time of severe food shortage by some ethnic groups. Pdf internal transcribed spacer its as a molecular. Winged yam dioscorea alata is another nonnative, invasive vine in florida. Wo2014126486a1 pharmacological indications and uses of. Quantification of dioscorine in dioscorea hispida dennst tubers detoxified through mangyan detoxification method. Therefore, a new tool fixture equipped with digital force gauge device to gripped stem.
Dioscorea is a genus in the monocotyledonous family dioscoreaceae sautour m et al. It is normally found in wildlife forest and planted in clay soil condition in asia region. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 240268 with original publication details. Pure starch is usually white, odorless, tasteless and insoluble in cold water and organic solvents.
It is also synonymous with dioscorea oppositifolia. Development of automatic alkaloid removal system for. Winged yam is known to have disprupted naturalarea plant communities, particularly coastal hammocks in south florida. The poison ordinarily is removed, or removal is attempted, img 2t3588. Description dioscorea batatas is a twining herbaceous. Influence of administration of gadung corm dioscorea hispida dennst infusion to. Dioscorea hispida dennst pdf this ethnobotanical study was conducted to document local knowledge and potentials of dioscorea hispida dennst. This study aimed to determine the nutritional content of dioscorea hispida dennst found in. Dioscorea hispida in kew science plants of the world online. It can only be consumed after the poison of dioscorin is removed.
Other uses none known propagation seed not normally used to propagate this species. The majority of villagers used dioscorea hispida dennst. Access is allocated within two business days of purchase and lasts one year. Parasitic diseases cause severe morbidity by affecting population in endemic areas with major economic and social consequences. Dioscoreaceae is a valuable source of edible starch. The tubers were surrounded by roots which were well gripped to the soil which made harvesting process difficult.
Common names asiatic bitter yam in english bittere yamswurzel in german inhame in language. Sasongko p 2012 detoksifikasi umbi gadung dioscorea hispida dennst. This article examines the preparation techniques used by australian aboriginals to ready d. Despite known toxicity, in thailand, where it is referred to as kloi, tubers are used to make a dessert called kao nuew kloi. The record derives from wcsp which reports it as an accepted name record 240268 with original publication details. Dweck fls frsh frsc personal care magazine 3, 3, p. Starch is a semicrystalline polymer consisting of straightchain amylose with. This study discussed an analysis and simulation of fixture stand structure that will use for data collection of force required for harvesting the tubers of dioscorea hispida. This name is the accepted name of a species in the genus dioscorea family dioscoreaceae. Several species of this genus serve as staple crops in many parts of the world mabberley dj et al. The board of trustees of the royal botanic gardens, kew.
Toxicity and bitterness in australian dioscorea bulbifera l. Diosgenin is a steroidal saponin, which is extracted from the root of wild yam dioscorea villosa and other species. Detection of the alkaloid of naml dioscorea hispida. Dioscorea is a genus of flowering plants, and some dioscorea species are known and used as a source for the steroidal sapogenin diosgenin. Covered with large leaves, it can quickly grow into the tops of tall trees. Plants profile for dioscorea hispida intoxicating yam. Possibility on agriculture mechanization for tropical yam. Dioscorea hispida dennst, or better known as asiatic bitter yam or intoxicating yam, is one of the 17 dioscorea species in the dioscoreacea family found throughout the world.
Enjoy unrestricted access to all content and features, including. Monopole antenna technique for determining moisture. Dioscorea batatas is the taxonomic name generally used in the united states29. Dioscorea hispida, alkaloid, dioscorine, agriculture mechanization. Invitro anthelmintic activity of dioscorea hispida dennst. Dioscorea root extract benefit and side effects by ray sahelian, m. Some of us just cant but maybe, just maybe you can take a stand to explore how worthy it is to sometimes venture in some extraordinary things especially in producing something new for the people around us and most especially when it talks about the foods or the meal that we are going to prepare. Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam a tuber. 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. The tubers are usually a vivid violetpurple to bright lavender in color hence the common name, but some range in color from cream to plain white. Posts about dioscorea hispida dennst written by tribujeniabedic.
507 608 829 982 1288 627 1291 1511 617 235 1411 1362 56 184 1231 1271 356 216 1070 87 1618 631 243 800 1541 2 1250 949 1295 654 60 439 877 1416 1391 325