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New flavan trimer from Daemonorops draco as osteoclastogenesis inhibitor
Ayaka Tsuchiya1, Maki Suzuki2, Ryotaro Ito2
1The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
Fitoterapia
|November 26, 2023
Summary
Dragon's blood resin yielded two new compounds. Compound 7 and 1, derived from Daemonorops draco, demonstrated anti-osteoclastogenesis activity, suggesting potential therapeutic applications.
Area of Science:
- Natural Product Chemistry
- Pharmacology
- Medicinal Chemistry
Background:
- Dragon's blood, a red resin from various plants, is recognized for its medicinal properties, particularly wound healing.
- Daemonorops draco is a source of bioactive compounds with therapeutic potential.
Purpose of the Study:
- To isolate and characterize new compounds from Daemonorops draco dragon's blood.
- To evaluate the anti-osteoclastogenesis activity of isolated compounds.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure elucidation utilizing Nuclear Magnetic Resonance (NMR), MALDI-TOF MS, and Electronic Circular Dichroism (ECD) analysis.
- Assessment of anti-osteoclastogenesis activity through in vitro assays.
Main Results:
- Two novel compounds (7 and 8) and eight known compounds (1-6, 9, 10) were isolated from Daemonorops draco.
- Compound 8 was identified as a quinone methide derivative of flavan, and compound 7 as a flavan trimer.
- Compounds 1 and 7 exhibited significant anti-osteoclastogenesis activity with IC50 values of 31.3 μM and 36.8 μM, respectively.
Conclusions:
- The study successfully identified new and known compounds from Daemonorops draco dragon's blood.
- Compounds 1 and 7 show promise as inhibitors of osteoclastogenesis, warranting further investigation for potential therapeutic applications in bone-related diseases.
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