(n.) A large ornamental tree (Ginkgo biloba) from China and Japan, belonging to the Yew suborder of Coniferae. Its leaves are so like those of some maidenhair ferns, that it is also called the maidenhair tree.
Example Sentences:
(1) The pharmacological effects of Ginkgo biloba extract concern vascular, rheological and metabolic processes.
(2) The chemical structure of synthetic dolichol-19, which was prepared by the addition of a saturated isoprene unit to the polyprenol-18 isolated from Ginkgo biloba, was confirmed to be identical with that of pig liver dolichol-19.
(3) After exposure of rat liver microsomes to UV-C irradiation, analysis of membrane fatty acids by gas chromatography confirmed that EGb 761, a drug containing a dosed and standardized extract of Ginkgo biloba, provides effective protection against free radical attack in vitro.
(4) 10 patients suffering from neuropathies caused by various diseases and with an autonomic disregulation of skin were treated intravenously with a new combination of 87.5 mg Ginkgo-biloba-extract standardized to 21.0 mg Flavonglycosids and 3 mg folic acid during 14 days.
(5) The effect of the extract of Ginkgo biloba (EGb 761) on the reversibility of visual field disturbances was tested using a randomized and double blind study-design in two phases and with two dose levels.
(6) Under cumulative exposure to hypoxic hypoxia fixation time of saccadic eye movements and complex choice reaction time were significantly improved by Ginkgo flavone glycosides vs placebo.
(7) Oral treatment of rats with Ginkgo biloba extract (Gb) elicited a biphasic effect on normetanephrine (NMN) content of cerebral cortex; an initial decrease was evident after 45 minutes, followed by a marked increase that was evident after 14 days.
(8) Ginkgo biloba extract is prescribed in psychic and behavioural disorders of the elderly, in peripheral vascular deficiency and in functional disorders of ischaemic origin in the E.N.T.
(9) Experimentally, Ginkgo biloba extract has proved active on the circulatory and rheological functions, on neuronal metabolism threatened by ischaemia or hypoxia, on neurotransmission and on membrane lesions caused by free oxygenated radicals.
(10) The study has shown that the extracts from leaves of Ginkgo biloba can significantly improve the NaNO2 and scopolamine induced impaired memory in mice.
(11) In the arterial endothelium Ginkgo biloba extract stimulates the release of endogenous relaxing factors, such as endothelium-derived relaxing factor, (EDRF) and prostacyclin.
(12) These results are attributed to the specific role played by free oxygenated radicals on the retina of diabetic rats and to the free radical scavenger property of Ginkgo biloba extract.
(13) The enzyme from Ginkgo was most similar to iron superoxide dismutases of Nuphar, Brassica, and Escherichia coli when compared on the basis of S delta Q analysis of amino acid composition.
(14) Ginkgo biloba special extract exerts positive effects on hemorheology and platelet aggregation, is a free radical scavenger and possesses PAD antagonistic properties, protects against hypoxia and ischemia, hampers an experimentally induced cerebral edema, has favourable properties on neurotransmitters and enhances cerebral bloodflow.
(15) The Ginkgo biloba extract is obtained from green leaves of the Ginkgo biloba tree.
(16) Ginkgo biloba extract is a well-defined and complex product prepared from green leaves of Ginkgo biloba.
(17) The genus Ginkgo is a north temperate gymnosperm taxon represented by fossilized leaves and wood from the early Jurassic through the Pliocene, and by the living species G. biloba native to eastern China.
(18) Gincosan is a combined preparation containing 60 mg ginkgo biloba and 100 mg ginseng, standardized of 24% ginkgo flavone glycosides and 4% ginsenosides.
(19) The results justify the administration of Ginkgo biloba extract in vascular diseases.
(20) These effects, which can be attributed to PAF-acether only and not to released products such as ADP or thromboxane A2, were strongly inhibited in a dose-dependent manner by BN 52021, a specific antagonist of PAF-acether isolated from Ginkgo biloba.