GINKGO or GINKYO
GINKGO BILOBA
GINKGOACEAE
This elegant tree port is the kind of "living fossil".
Geology teaches us that plants were living very similar to the Paleozoic Era (Permian), had their heyday during the Mesozoic Era (Jurassic) and persisted significantly until the late Tertiary.
The organization of the tree is reminiscent of cherry, the leaves grow in tufts on short side branches.
The leaves are generally lobed, venation dichotomous show would be the signature of its archaic character, and fell.
The ginkgo is dioecious plants males outnumber females, but there is a waiting 15 years for sex is determined.
The result is a naked egg, fertilization by gametes hair reminiscent of plants most "simple" (algae, mosses, ferns).
The ginkgo is of Far Eastern origin, the Buddhist priests maintained around the pagodas, and was introduced in Europe in the 18th century (ginkgo tree). It is now cultivated for its leaves in Korea, China, south west of France and USA.
One wonders if this plant is very old has not only survived thanks to the gardeners looking for parks.
COMPOSITION AND CHEMICAL PROPERTIES
Found in the leaf: sugars, sterols and ketones, organic acids and especially flavonoids and terpenes (see glossary) which support the pharmacological activity.
A score of flavonoids (include the bilobétol the ginkgétol) and proanthocyanidins (see glossary) are the diterpenes known as ginkgolides and to have a special hexacyclique STRUCTURE. Some ginkgolides are potent inhibitors of platelet aggregation factor (very important in triggering the inflammatory response). Flavonoids are antiradicals free (see glossary).
Total leaf extract is considered a venotonic, Vasoprotectives (increased capillary resitance) and inflammatory. It would improve tissue perfusion and activate cell metabolism by increasing the uptake of glucose and oxygen, especially in cells of the cerebral cortex.
USES
Ginkgo extracts are interesting:
* To combat the problems associated with vascular disorders with inflammatory response: arteritis and arterial chronic hemorrhoidal crisis, phlebitis incidents infusion, following MS vein to relieve the veno-lymphatic insufficiency,
* To "improve" the flow and cerebral oxygenation: intellectual impairment in the elderly, disorders of the inner ear (vertigo, tinnitus, hearing impairment).
So these are indications for a very modern plant so old.
There are standardized extracts of ginkgo leaves: standard dose: 40 mg 3 times a day, a homeopathic mother tincture (see glossary): 50 to 150 drops per day.
It may involve other gingko herbal vasculoprotectors, it has few side effects, few digestive or skin disorders.
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