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Four new biflavonoids from Selaginella uncinata and their anti-anoxic effect. 2008

Jun-Xia Zheng, and Nai-Li Wang, and Hong-Wei Liu, and Hai-Feng Chen, and Ming-Ming Li, and Li-Ying Wu, and Ming Fan, and Xin-Sheng Yao
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.

The 60% ethanolic extract of Selaginella uncinata (Desv.) Spring possessed potent anti-anoxic effect in the anoxic PC12 cell assay. A phytochemical study of its EtOAc-soluble part led to the isolation of four new and three known biflavonoids. Their structures were established on the basis of physico-chemical properties and spectroscopic analysis. The absolute configurations of the new compounds were determined with the aid of circular dichroism (CD) spectroscopy. Compounds 4 and 5 showed potent anti-anoxic effect in the anoxic PC12 cell assay.

UI MeSH Term Description Entries
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D005419 Flavonoids A group of phenyl benzopyrans named for having structures like FLAVONES. 2-Phenyl-Benzopyran,2-Phenyl-Chromene,Bioflavonoid,Bioflavonoids,Flavonoid,2-Phenyl-Benzopyrans,2-Phenyl-Chromenes,2 Phenyl Benzopyran,2 Phenyl Benzopyrans,2 Phenyl Chromene,2 Phenyl Chromenes
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000860 Hypoxia Sub-optimal OXYGEN levels in the ambient air of living organisms. Anoxia,Oxygen Deficiency,Anoxemia,Deficiency, Oxygen,Hypoxemia,Deficiencies, Oxygen,Oxygen Deficiencies
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D016716 PC12 Cells A CELL LINE derived from a PHEOCHROMOCYTOMA of the rat ADRENAL MEDULLA. PC12 cells stop dividing and undergo terminal differentiation when treated with NERVE GROWTH FACTOR, making the line a useful model system for NERVE CELL differentiation. Pheochromocytoma Cell Line,Cell Line, Pheochromocytoma,Cell Lines, Pheochromocytoma,PC12 Cell,Pheochromocytoma Cell Lines
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D032503 Selaginellaceae A plant family of the order Selaginellales, class Lycopodiopsida, division Lycopodiophyta, subkingdom TRACHEOPHYTA. Members contain bilobetin. The rarely used common name of resurrection plant is mainly used with CRATEROSTIGMA. Fern, Rainbow,Moss, Spike,Spikemoss,Selaginella,Ferns, Rainbow,Mosses, Spike,Rainbow Fern,Rainbow Ferns,Selaginellas,Spike Moss,Spike Mosses,Spikemosses

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