Bioactive lignans from a cultivar of Helianthus annuus.

@article{Macas2004BioactiveLF,
  title={Bioactive lignans from a cultivar of Helianthus annuus.},
  author={Francisco A Mac{\'i}as and A. L{\'o}pez and Rosa M Varela and Ascensi{\'o}n Torres and Jos{\'e} M G Molinillo},
  journal={Journal of agricultural and food chemistry},
  year={2004},
  volume={52 21},
  pages={6443-7}
}
A bioassay-guided fractionation of water extracts from Helianthus annuus cv. SH-222 was carried out. Ten lignans and a phenylpropanoid were isolated from the polar bioactive fractions of H. annuus. This study is the first to report lignans as constituents of sunflower and is the first time that tanegool has been isolated as a natural aglycone. Additionally, we report biological activities of the isolated compounds. The general bioactivity has been evaluated using the wheat coleoptiles bioassay… CONTINUE READING

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