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Cytotoxic prenylflavonoids from Artocarpus elasticus
Horng-Huey Ko1, Yi-Huang Lu, Sheng-Zehn Yang
1School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan, Republic of China.
Journal of Natural Products
|November 29, 2005
Summary
Researchers isolated five new prenylated flavonoids from Artocarpus elasticus root bark. One known compound, artonol A, showed significant cytotoxic activity against the A549 human cancer cell line.
Area of Science:
- Natural Product Chemistry
- Pharmacology
Background:
- Artocarpus elasticus is a plant species known to produce various bioactive compounds.
- Prenylated flavonoids are a class of natural products with diverse pharmacological properties.
Purpose of the Study:
- To isolate and characterize new prenylated flavonoids from the root bark of Artocarpus elasticus.
- To evaluate the cytotoxic activity of isolated compounds against cancer cell lines.
Main Methods:
- Phytochemical investigation of Artocarpus elasticus root bark extract.
- Structure elucidation using spectroscopic methods (e.g., NMR, MS).
- Cytotoxicity assays using the A549 human cancer cell line.
Main Results:
- Five new prenylated flavonoids (artelastoheterol, artelasticinol, cycloartelastoxanthone, artelastoxanthone, cycloartelastoxanthendiol) were isolated and identified.
- Five known compounds were also isolated.
- Artonol A demonstrated significant cytotoxic activity against A549 cells with an ED50 of 1.1 microg/mL.
Conclusions:
- Artocarpus elasticus root bark is a source of novel prenylated flavonoids.
- Artonol A possesses potent cytotoxic effects, suggesting potential as an anticancer agent.
