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Two new hepaprotective saponins from Semen celosiae
Zhen-Liang Sun1, Ying Wang, Mei-Li Guo
1Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai, PR China.
Fitoterapia
|December 1, 2009
Summary
Two novel oleanolic acid saponins, celosin C and celosin D, from Semen celosiae demonstrated significant hepatoprotective effects against carbon tetrachloride-induced liver injury in mice.
Area of Science:
- Natural Product Chemistry
- Pharmacology
- Hepatology
Background:
- Semen celosiae is a traditional Chinese medicine.
- Oleanolic acid saponins are known for various bioactivities.
- Hepatotoxicity remains a significant health concern.
Purpose of the Study:
- To isolate and characterize new oleanolic acid saponins from Semen celosiae.
- To evaluate the hepatoprotective potential of these novel compounds.
Main Methods:
- Isolation of compounds using ethanol extract of Semen celosiae.
- Structure elucidation via spectroscopic and chemical analyses.
- Assessment of hepatoprotective activity using a carbon tetrachloride-induced hepatotoxicity mouse model.
Main Results:
- Two new oleanolic acid saponins, celosin C (1) and celosin D (2), were successfully isolated and identified.
- Both celosin C and celosin D exhibited significant hepatoprotective effects in a dose-dependent manner (1.0, 2.0, and 4.0 mg/kg).
- Statistical analysis confirmed the significance of the observed effects (p<0.01).
Conclusions:
- Celosin C and celosin D are novel oleanolic acid saponins with promising hepatoprotective properties.
- These findings support the traditional use of Semen celosiae and suggest potential therapeutic applications for liver protection.