[The Adverse Effects of Ephedra Herb and the Safety of Ephedrine Alkaloids-free Ephedra Herb Extract (EFE)].
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- Yakugaku Zasshi.
- PubMed:
- 31685738
Researchers analyzed rose-scented geranium oil composition and monitored changes in the citronellol to geraniol ratio. This provides insights into the plant's development and compounds correlation, essential for the economically important plant.
Researchers identified five new alkaloids and ten known analogues in Lycopodiastrum casuarinoides, a plant commonly used in traditional Chinese medicine to improve cognitive function. Spectroscopic techniques were used to determine the structures of the novel compounds and their absolute configurations. Only huperzine C showed moderate inhibitory activity against acetylcholinesterase, which is associated with Alzheimer's disease. The study highlights the potential of Lycopodiastrum casuarinoides as a source for developing new drugs to treat cognitive impairment.