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One New and Nine Known Flavonoids from Choerospondias axillaries and Their in Vitro Antitumor, Anti-Hypoxia and Antibacterial Activities

State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
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Molecules 2014, 19(12), 21363-21377; https://doi.org/10.3390/molecules191221363
Received: 23 October 2014 / Revised: 8 December 2014 / Accepted: 12 December 2014 / Published: 19 December 2014
(This article belongs to the Section Natural Products Chemistry)
In the present study, a new flavanoid 1, together with nine known ones 210 were isolated from the stem bark of Choerospondias axillaries, the fruit of which was used mainly for treatment of cardiovascular diseases in China. The structure of 1 was established on the basis of its extensive spectral data, and the absolute structures of 1 and 10 were determined by their CD data. The absolute structure of 10 was established for the first time. Among the obtained compounds, 58 inhibited the proliferation of K562 cells with inhibition rates of 26.6%, 65.7%, 40.4% and 45.6% at 100 µg/mL; 1 and 410 showed significant protective effects on anoxia-induced injury in cultured ECV304 or PC12 cells at 50 µg/mL; 8 and 9 showed antibacterial effects on Staphylococcus aureus ATCC6538 at the tested concentration of 150 µg/8 mm paper disc. Compounds 2 and 410 were isolated for the first time from this genus. The proliferation inhibiting activities of 7 and 8, the anti-hypoxia activities of 1 and 410, and the antibacterial effect of 8 and 9 on Staphylococcus aureus ATCC6538 are reported here for the first time. View Full-Text
Keywords: Choerospondias axillaries; isolation; flavonoids; antitumor; anti-hypoxia; antibacterial Choerospondias axillaries; isolation; flavonoids; antitumor; anti-hypoxia; antibacterial
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MDPI and ACS Style

Li, C.-W.; Cui, C.-B. One New and Nine Known Flavonoids from Choerospondias axillaries and Their in Vitro Antitumor, Anti-Hypoxia and Antibacterial Activities. Molecules 2014, 19, 21363-21377.

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