Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 60, Issue 7, Pages 1682-1687Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf2046784
Keywords
Hyoscyamus niger; lignanamides; phytotoxicity; Allium fistulosum; germination inhibition
Funding
- National Natural Science Foundation of China [81073009]
- Ministry of Education of China [707033]
- Scaling Project for Innovation Scholars
- Natural Science Foundation of Jiangsu Province, China [BK2008039]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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Bioassay-guided fractionation of phytotoxic extracts prepared from the seeds of Hyoscyamus niger led to the isolation of three new lignanamides (1-3), along with six known lignanamides (4-9). The structures of the new compounds were determined by spectroscopic methods, including ID and 2D nuclear magnetic resonance techniques, and high-resolution electrospray ionization mass spectrometry. The bioactivity analysis of the isolated compounds showed that compound 3 exhibited significant inhibition on the germination and radical elongation of Allium fistulosum at 10(-4) M concentration.
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