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Título: | Effects of seven pure flavonoids from mosses on germination and growth of Tortula muralis HEDW. (Bryophyta) and Raphanus sativus l. (Magnoliophyta) |
Autor: | Basile, Adriana; Sorbo, Sergio; López Sáez, José Antonio CSIC ORCID ; Castaldo Cobianchi, Rosa | Fecha de publicación: | abr-2003 | Editor: | Elsevier | Citación: | Phytochemistry 62(7): 1145-1151 (2003) | Resumen: | Dried mosses (five moss species) were progressively extracted and subjected to a four-step Craig distribution. Seven pure flavonoids were isolated and identified. The flavonoids were the flavones apigenin, apigenin-7-O-triglycoside, lucenin-2, luteolin-7-O-neohesperidoside, saponarine and vitexin; and the biflavonoid bartramiaflavone and they were submitted to biological tests. The tests were performed in vitro on spore germination and protonemal growth of the moss Tortula muralis and on seed germination and root growth of Raphanus sativus. Flavonoids caused a decrease in the percentage of spore germination, protonemal development and root growth. In addition they caused morphological alterations, such as forked tips, swollen apices, rounded cells and early formation of brood cells in the protonemata. Data were discussed in relation to the presence of allelochemicals in mosses. © 2003 Elsevier Science Ltd. All rights reserved. | Versión del editor: | http://dx.doi.org/10.1016/S0031-9422(02)00659-3 | URI: | http://hdl.handle.net/10261/93532 | DOI: | 10.1016/S0031-9422(02)00659-3 | ISSN: | 0031-9422 |
Aparece en las colecciones: | (CCHS-IH) Artículos |
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