A syn-ent-labdadiene derivative with a rare spiro-β-lactone function from the male cones of Wollemia nobilis.

@article{Venditti2019ASD,
  title={A syn-ent-labdadiene derivative with a rare spiro-$\beta$-lactone function from the male cones of Wollemia nobilis.},
  author={Alessandro Venditti and Claudio Frezza and Flaminia Vincenti and Antonia Brodella and Fabio Sciubba and Camilla Montesano and Marco Franceschin and Manuel Sergi and Sebastiano Foddai and Maria Enrica Di Cocco and Roberta Curini and Maurizio Delfini and Armandodoriano Bianco and Mauro Serafini},
  journal={Phytochemistry},
  year={2019},
  volume={158},
  pages={
          91-95
        }
}
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Terpenoids and More Polar Compounds from the Male Cones of Wollemia nobilis
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Several diterpenoids of chemosystematic relevance were recognized for the first time from the genus and/or from the Araucariaceae family, namely isocupressic acid, methyl (E)‐communate and sandaracopimaric acid; all these terpenoids are also endowed with interesting biological activities and may play a primary role in the self defence toward herbivores.
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The iridoid content showed a molecular pattern very similar to those reported for other taxa comprised in the Antirrhinae tribe of Plantaginaceae, thus providing an additional evidence that supports the current botanical classification of the Kickxia genus.
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A preliminary nutraceutical evaluation of the half-matured female cones of the rare species, Wollemia nobilis, showed a good nutr pharmaceutical potentiality but also some potential critical state mainly due to the occurrence of acetyl-isocupressic acid, which is quite known to have some adverse pharmacological effects.
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The phytochemical analysis of the ethanolic extract obtained from the leaves of Agathis robusta revealed several pharmacological properties among which, the antibacterial, anti-inflammatory and protective ones are the most important and may explain why this species is used in the ethno-medicinal field.
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