Phytotoxic iridoid glucosides from the roots of Verbascum thapsus
The iridoid glucosides lateroside 1, harpagoside 2, ajugol 3, and aucubin 4 were isolated from an ethanolic extract of the roots of the weed Verbascum thapsus that exhibits antigermination activity on seeds of barley (Hordeum vulgare). Bioassays indicated that at 3 mM concentration, compounds 1, 2,...
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| Veröffentlicht in: | Journal of chemical ecology 1998-04, Vol.24 (4), p.645-653 |
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| container_title | Journal of chemical ecology |
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| creator | PARDO, F PERICH, F TORRES, R DELLE MONACHE, F |
| description | The iridoid glucosides lateroside 1, harpagoside 2, ajugol 3, and aucubin 4 were isolated from an ethanolic extract of the roots of the weed Verbascum thapsus that exhibits antigermination activity on seeds of barley (Hordeum vulgare). Bioassays indicated that at 3 mM concentration, compounds 1, 2, and 4 showed moderate inhibition of seed germination. These compounds also reduced root length when they were assayed on pregerminated seeds at 1 mM to 0.001 mM concentration range. Of all compounds tested, aucubin 4 was the most active against root elongation. Compound 3 showed no activity in the bioassays.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1023/A:1022338118561 |
| format | Article |
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Bioassays indicated that at 3 mM concentration, compounds 1, 2, and 4 showed moderate inhibition of seed germination. These compounds also reduced root length when they were assayed on pregerminated seeds at 1 mM to 0.001 mM concentration range. Of all compounds tested, aucubin 4 was the most active against root elongation. Compound 3 showed no activity in the bioassays.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 0098-0331</identifier><identifier>EISSN: 1573-1561</identifier><identifier>DOI: 10.1023/A:1022338118561</identifier><identifier>CODEN: JCECD8</identifier><language>eng</language><publisher>New York, NY: Springer</publisher><subject>Bioassays ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Generalities, botany, ecology, damages, economic importance ; Parasitic plants. Weeds ; Phytopathology. Animal pests. 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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Bioassays Biological and medical sciences Fundamental and applied biological sciences. Psychology Generalities, botany, ecology, damages, economic importance Parasitic plants. Weeds Phytopathology. Animal pests. Plant and forest protection Roots Seed germination Seeds Weeds |
| title | Phytotoxic iridoid glucosides from the roots of Verbascum thapsus |
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