Contents of total protein, L-canavanine and condensed tannins of the one-flowered vetch (Vicia articulata Hornem.) collection of the Bank of Plant Germplasm of Cuenca (Spain) |
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Authors: | R. Sánchez Vioque I. Cantón Prado F. Flores Gil M. J. Giménez Alvear M. De los Mozos Pascual M. F. Rodríguez Conde |
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Affiliation: | (1) Departamento de Cultivos Herbáceos, C.I.A. Albaladejito, Ctra. Toledo-Cuenca, Km 174, 16194 Cuenca, Spain;(2) López Fontana, 53, 16192 Palomera, Cuenca, Spain;(3) Departamento de Ciencias Agroforestales, E.P.S. La Rábida, Universidad de Huelva, 21819 Palos de la Frontera, Huelva, Spain |
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Abstract: | A total of 125 accessions of one-flowered vetch (Vicia articulata Hornem.) mostly from the Iberian Peninsula have been analysed for total protein, L-canavanine and condensed tannins. It was observed a high variability in the composition: the protein content ranged from 18.20 to 30.07%, L-canavanine from 0.27 to 0.67%, and condensed tannins from 0.13 to 0.35%, which indicates a scarce domestication of the crop. The inclusion of the seeds into a diet to non-ruminants should be limited to marginal percentages because of the contents of L-canavanine and it suggests that a reduction of this compound by breeding should be encouraged. The protein and the L-canavanine contents showed a low and positive significant correlation (r = 0.55, P < 0.001), which complicates the selection of seeds having simultaneously low L-canavanine and high protein contents. On the other hand, no correlation between protein and condensed tannins or between L-canavanine and condensed tannins was observed. There was a poor relationship between the origin and the composition of the accessions and only the protein content was able to discriminate among the regions. |
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Keywords: | Breeding Feed Legumes Nutritional quality Underutilized crop Vicia articulata |
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