Dioscorea


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Dioscorea

(dī″ō-skŏr′ē-ă) [NL]
A genus of yams, a potato-like root vegetable used in many cultures as a source of dietary carbohydrates. There are approx. 150 species. Dioscorea villosa, the wild yam, is used as a source of topically applied cosmetics and plant-derived steroids.
References in periodicals archive ?
Las muestras fueron tomadas a partir de suelo rizosfericos del cultivo de name (Dioscorea rotundata), en la region Caribe Colombiana y las zonas Montes de Maria, Sabanas Colinadas y Valle del Sinu, para un total de 15 fincas productoras representativas de este cultivo (Cuadro 1).
Leaf PtNPs PdNPs 15 Dioscorea bulbifera Tuber PtNPs PdNPs 16 Barleria prionitis Leaf PtNPs PdNPs Serial Shape Size (nm) Reference number Spherical 2.4 [+ or -] 0.8 [38] 1 Irregular and rod shaped -- [39] 2 Spheres and plates 2-20 [36] 3 Irregular 23 [42] 4 Hexagonal and pentagonal 30 [43] 5 Spherical 15-20 [44] 6 Spherical, rod, and 3-5 [45] 7 three-dimensional polyhedra Spherical 15 [29] 8 Spherical 16-23 [46] 9 Irregular 6 [30] 10 Spherical 100 [41] 11 Spherical 20-25 [46, 47] 12 Spherical 2-4 [48] 13 Spherical 2.1 [+ or -] 0.4 [40] 14 Spherical 3.8 [+ or -] 0.2 Spherical 2-5 10-25 [8] 15 Spherical and blunt ended cubes Spherical 1-2 [14] 16 Spherical and irregular 5-7
For each sample of Manihot esculenta starch, Musa paradisiaca, and Dioscorea trfida, the procedure was repeated in triplicate [19].
Dioscorea, with ten species, placed Dioscoreaceae as the richest family of the two vegetation types.
The genera Citrus and Dioscorea, frequent in this research, are also identified as characteristic for tropical home gardens around the world (Wezel and Bender 2003).
Productivity of yams (Dioscorea spp.) as affected by soil fertility.
El objetivo de este estudio fue el de validar el metodo para la determinacion de humedad en name espino (Dioscorea rotundata) mediante la aplicacion de energia de microondas.
[109] determined diosgenin contents by GC-MS in a tuber collection of Dioscorea spp.
However, some analytes (e.g., Dioscorea saponin aglycones), for structural and polar reasons, cannot produce enough strong ions with ESI; in these cases, APCI can be used to increase the ion yield.
Scientific name Common name Pre-1940 Alliaria petiolata garlic mustard Artemesia vulgaris mugwort Carduus nutans (D) musk thistle Centaurea stoebe spotted knapweed Cirsium arvense Canada thistle x Cirsium vulgare bull thistle x Clematis terniflora sweet autumn clematis Conium maculatum (D) poison hemlock Convolvulus arvense field bindweed x Coronilla varia (P) crown vetch x Cynanchum louiseae black swallow-wort x Daucus carota Queen Anne's lace x Dioscorea polystachya (D) Chinese yam Dipsacus fullonum common teasel x Dipsacus laciniatus cut-leaved teasel x Euphorbia esula leafy spurge x Glechoma hederacea creeping Charlie x Hesperis matronalis dame's rocket x Humulus japonicus (D) Japanese hops Hypericum perforatum St.