Escambia, gadsden, leon, levy, charlotte, lee, and dade wunderlin et al. The record derives from wcsp which reports it as an accepted name record 239747 with original publication details. Air potatoes dioscorea bulbifera and alata brisbane local food. To ascertain the potential health benefits and alternate usage of the species, 20 varieties of dioscorea alata. Browse pictures and read growth cultivation information about white yam, winged yam dioscorea alata supplied by member gardeners in the plantfiles database at daves garden.
Stems to 10 m 30 ft or more in length, freely branching above. The effect of carbon source of growth medium on amylase production by strains of penicillium solitum and aspergillus rubrum isolated from yam dioscorea alata adekunle odunayo adejuwon1, olusola. This is a deciduous, herbaceous vine, dying to the ground during the winter. The impact of cooking on the proximate composition and antinutritional factors of water yam dioscorea alata. Characterization, genomic resources, and phylogenetic analyses zhenyu zhao1, xin wang1,2,yiyu3, subo yuan4, dan jiang5, yujun zhang6. This plant may be known by one or more common names in different places, and some. In the west african yam zones, white yam dioscorea rotundata, water yam dioscorea alata and yellow yam dioscorea. This is important in the regions of the tropics, where it is grown for food. The wide adaptation and cultivation of water yam makes it one of the most important dioscorea. A comparative assessment of diversity of greater yam. 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. A practical guide to identifying yams the main species of dioscorea in the pacific islands crops.
Presently, these species are threatened by genetic erosion due to many factors such as pest attacks and farming practices. The tubers are usually bright lavender in color, hence the common name, but they may sometimes be white. Dioscorea alata in maluku are only sold in the form of a pile at a price of between rp 50000 per stack and then processed in a simple method such making boiledcassava or compote with sweet. Microsatellite and flow cytometry analysis to help understand the origin of dioscorea alata polyploids. Introduction for many people in the world the word yni or its translation, refers to dioscorea alata. Usda, ars, germplasm resources information network. In addition, this yams tuber can be processed into flour using such kind of method to expand its utilization, make. Air potato dioscorea bulbifera 2 distribution native to tropical asia and subsaharan africa, air potato was spread by ancient polynesians throughout much of the south pacific where it is now considered invasive.
Complete chloroplast genome sequences of dioscorea. Yam, dioscorea alata is carbohydrate and vitamin b6 rich fruit support for antioxidant, anticancer and antitumor activity. It is a perennial climber, but it is grown as an annual. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 239747 with original publication details.
Names of dioscorea alata in various languages of the world are also given. Examining the physicochemical, functional and rheological. Dioscorea alata cultivars in bayelsa state, nigeria ogidi i. The effects of the concentration of brown sugar and the. This article is about yam a, dioscorea alata a for alata uhlaytuh. Dioscorea alata, commonly known as water yam or winged yam, is a fastgrowing, twining, tuberousrooted, herbaceous perennial vine of the yam family dioscoreaeae. Pdf potential health benefits of water yam dioscorea. Paper open access the antioxidant activity and plant.
Dioscorea alata is the most extensively cultivated of the edible yams. They are high in starch content, edible and can be cooked before being eaten. Oladele department of plant biology, university of ilorin, 234031 ilorin, nigeria abstract dioscorea alata. Nutritional assessment of yam dioscorea alata tubers. Dioscorea rotundata african orphan crops consortium. It was brought to the americas from africa during the slave trade. Dioscorea alata is sometimes grown in gardens for its ornamental value. The effect of carbon source of growth medium on amylase. Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam a tuber.
Nutritional and antinutritional evaluation of wild yam. Potential health benefits of water yam dioscorea alata. A number of wild crops remain unexplored in this world and among them some have excellent medicinal and nutritional properties. Dioscorea alata is a species of yam that is widely cultivated throughout the world, including china. White yam, winged yam dioscorea alata daves garden.
Each plant produces around 23 tubers that have purple flesh and a browny exterior. It produces a large root crop of edible subterranean tubers yams which are an important starchy food source in many tropical to subtropical areas around the globe. The plant forms bulbils in the leaf axils of the twining stems, and tubers beneath the ground. Reaction of dioscorea alata clones to plant parasitic nematodes infection osei k. Page designed through the cooperative efforts of interagency itis teams. List of various diseases cured by dioscorea esculenta. Winged yam is known to have disprupted naturalarea plant communities, particularly coastal hammocks in south florida. Dioscorea alata is a fast growing slender climbing plant with pointed heart shaped leaves. It has swollen roots or tubers corms, which are formed from the vines, leaves, roots and stolons of the plant.
How dioscorea alata is effective for various diseases is listed in repertory format. Evolution and phylogenetic diversity of yam species. Yams are popular staple food in the west indies, west africa and many pacific islands. Pronunciation of dioscorea alata with 1 audio pronunciation, 3 synonyms, 1 meaning, 2 translations and more for dioscorea alata. In the top part of the plant, stems have no spines and are winged with 4 ridges. Names of dioscorea esculenta in various languages of the world are also given. Control of dioscorea alata microtuber dormancy and.
Microtuberization was developed in two culture stages 5. These tubers are like small, oblong potatoes, and they are edible and cultivated as a food crop, especially in west africa. This plant may be known by one or more common names in different places, and some are listed above. Greater yam, water yam, white yam, winged yam synonymy.
Nov 26, 2011 dioscorea bulbifera is a perennial vine with broad leaves and two types of storage organs. Dioscorea alata herb uses, benefits, cures, side effects. Dioscorea alata ufifas center for aquatic and invasive. Identification of host plant resistance to anthracnose in. This article is about yam a, dioscorea alata a for alata. The tubers are usually a vivid violetpurple to bright lavender in color hence the. Dioscorea alata ufifas center for aquatic and invasive plants. However, only a few are grown and utilized as a staple. Co 1 dioscorea alata soil and climate it requires warm and humid conditions with a mean temperature of 300c and a well distributed annual rainfall of 12002000 mm. Ubi kelapa merupakan nama umum atau nama dagang untuk dioscorea alata l. The nutrient and antinutrient components of tubers from seven cultivars ofdioscorea alata were determined. It is closely related to air potato dioscorea bulbifera. Dioscorea alata plant finder missouri botanical garden. Uses, benefits, cures, side effects, nutrients in dioscorea alata.
Pdf the impact of cooking on the proximate composition. We present these results in conjunction with evaluation completed with either the status assessment, itp. In florida, herbarium records now reported for naturalized. Yam belongs to the genus dioscorea and consist of more than 600 species. Dioscorea alata, an indigenous indonesian food crop, contains a lot of bioactive compounds. Yam is the third most important root and tuber crop in the tropics but few species are grown as health food andor for medicinal purposes. Dioscorea alata is mainly cultivated for its large white edible flesh roots which have. Health benefits of yams are recognized to many individuals. Tubers phenolic content and antioxidant capacitydjanna f. To evaluate the antidiabetic activity of ethanolic extract of dioscorea alata in glucose loaded and alloxan induced diabetic rats. Dioscorea alata, known as purple yam and many other names, is a species of yam, a tuberous root vegetable. India is a harbor of biodiversity in general and phytodiversity in particular. The niacin content in the tubers of dioscorea alata, d.
To ascertain the potential health benefits and alternate usage of the species, 20 varieties of dioscorea alata water yam were investigated for their total dietary fiber tdf, dry matter and. Dioscorea alata water yam, winged yam, uvi fiji, ufi tau samoa, ufi tonga, soft yam vanuatu. Martin, plant geneticist, mayaguez institute of tropical agri culture, agricultural research service, u. It is also called the winged yam because its stem is very square. These are perennial herbaceous vines cultivated for the consumption of their starchy tubers in africa, asia, latin america, the caribbean and oceania. Reaction of dioscorea alata clones to plant parasitic. Dioscorea esculenta herb uses, benefits, cures, side effects. The objective of this study is to evaluate some nutritional properties of fourteen water yam d. Characterization, genomic resources, and phylogenetic analyses zhenyu zhao1, xin wang1,2,yiyu3, subo yuan4, dan jiang5, yujun zhang6, teng zhang 1, wenhao zhong, qingjun yuan1 and luqi huang1 1 state key laboratory breeding base of daodi herbs, national resource center for chinese materia medica, china academy of chinese medical. Yams description yam is the common name for some plant species in the genus dioscorea family dioscoreaceae that form edible tubers. How dioscorea esculenta is effective for various diseases is listed in repertory format.
In florida, herbarium records now reported for naturalized populations in 7 counties. Effect of culture system type in liquid medium on in vitro tuberization temporary immersion system the temporary immersion culture system tis involved two 10. Most cultivars also have wings and no spines on the stem at the base of the plant, but in a few cultivars the base of the stem has no wings and widelyspaced spines. Its botanical name is dioscorea polystachya mistakenly called d. The alabama plant atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. The scientific name for the genus commonly known as yams is dioscorea l. Nevertheless, there is very limited knowledge on this type of yam diversity in china. Uses, benefits, cures, side effects, nutrients in dioscorea esculenta.
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. In order to conserve dioscorea plants, the present investigation was carried out with a view to regenerate plantlet of dioscorea alata l. Dioscorea alata, popularly known as white, water or winged yam, is a tuberous root vegetable which belongs to the genus of dioscorea. After dormancy, the underground tubers give rise to stems which can quickly grow to 30 feet long. Dioscorea alata winged yam this plant can be weedy or invasive according to the authoritative sources noted below. Covered with large leaves, it can quickly grow into the tops of tall trees. Winged yam dioscorea alata is another nonnative, invasive vine in florida. It is also called as ube in philippines where it is consumed as a delicious and delightful sweet jam. Department of crop and soil science, faculty of agriculture, niger delta university, wilberforce island, bayelsa state, nigeria. The bulbils may also be eaten, but the large tubers are favored. Introduction for many people in the world the word yni or its translation, refers to dioscorea alata l. Access is allocated within two business days of purchase and lasts one. A practical guide to identifying yams university of hawaii.
Hosted by the usgs core science analytics and synthesis. Water yam or purple yam dioscorea alata is the main food crop of the genus dioscorea. Antidiabetic activity of ethanolic extract of tubers of. Philippine herbal medicine an illustrated compilation of philippine medicinal plants by dr godofredo stuart, with botanical information, chemical properties, folkloric uses and research studies. Dietary pes plant estrogens of dioscorea can provide wide range of health. Coursey 1967, varying in the color and consistency of the flesh. Vigorously twining herbaceous vine, from massive underground tuber.