Content and distribution of vicine, convicine and l-DOPA during germination and seedling growth of two Vicia faba L. varieties

This work examined the content and distribution of the pyrimidine glucosides vicine and convicine, and the nonproteic amino acid l-DOPA in cotyledons and embryo axes along the germination and seedling growth of Vicia faba L. vars. Alameda and Brocal. The behaviour of these compounds was similar in b...

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Bibliographic Details
Published in:European food research & technology 2008-09, Vol.227 (5), p.1537-1542
Main Authors: Goyoaga, Carmen, Burbano, Carmen, Cuadrado, Carmen, Varela, Alejandro, Guillamón, Eva, Pedrosa, Mercedes M, Muzquiz, Mercedes
Format: Article
Language:English
Subjects:
Agriculture
Amino acids
Analytical Chemistry
Beans
Biotechnology
Chemistry
Chemistry and Materials Science
Convicine
Cultivars
Embryos
Food
Food Science
Forestry
Functional foods & nutraceuticals
Germination
L-dopa
Legumes
Original Paper
Parkinson's disease
Phytochemicals
Pyrimidine glucosides
Seedlings
Seeds
Studies
Vicia faba
Vicine
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Summary:This work examined the content and distribution of the pyrimidine glucosides vicine and convicine, and the nonproteic amino acid l-DOPA in cotyledons and embryo axes along the germination and seedling growth of Vicia faba L. vars. Alameda and Brocal. The behaviour of these compounds was similar in both varieties. Vicine and convicine, implicated in favism disease, slowly declined in cotyledons. In embryo axis, vicine levels were sharply reduced and convicine amount was slightly increased as assay progressed. Total pyrimidine glucosides remained unchanged in the whole plant during the study. l-DOPA only appeared in the embryo axis of V. faba seeds and the highest content was observed in Brocal variety at 6 DAI (days after imbibition). The information provided in this study could be valuable for a possible role of embryo axis, rich in l-DOPA, for the treatment of Parkinson's disease and also as a choice ingredient for functional foods or as nutraceutical.
ISSN:1438-2377
1438-2385
DOI:10.1007/s00217-008-0876-0