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GINKGO BILOBA

What plant may cure Alzheimer's disease, increase circulation, tastes like almonds and smells like rancid butter? This plant is none other than Ginkgo biloba. Ginkgo extracts have played a crucial role in Chinese herbal medicine for many centuries. Only recently has western medicine began to seriously study the medicinal uses of ginkgo. It is amazing that this plant might not even exist today had it not been for the Buddhist monks in Japan and China who cultivated it in their temple gardens and adopted it as a sacred tree. Although Ginkgo biloba is the only extant species of ginkgos today, many ginkgo relatives have been found in the fossil record. The Ginkgoales are a group of gymnosperms that date back to the Permian. The group is thought to be more closely related to conifers than to any other gymnosperms. During the middle Jurassic, the Ginkgoales experienced a great increase in species and reached their maximum diversity during the Cretaceous with several species identifiable in what is now Asia, Europe and North America. During the Paleocene, Ginkgoalean diversity was reduced to a single polymorphic species referred to as Gingko adiantoides. This species is almost indistinguishable from the extant Ginkgo biloba.

Biological Name: Ginkgo biloba

Other Names: Maidenhair tree, Ginkgo Biloba

Parts Used: Leaves

 

Active Compounds:

The medical benefits of ginkgo biloba extract (GBE) rely on the proper balance of two groups of active components: the ginkgo flavone glycosides and the terpene lactones. The 24% ginkgo flavone glycoside designation on GBE labels indicates the carefully measured balance of bioflavonoids. These bioflavonoids are primarily responsible for GBE's antioxidant activity and ability to inhibit platelet aggregation (stickiness). These two actions may help GBE prevent circulatory diseases, such as atherosclerosis, and support the brain and central nervous system.

The unique terpene lactone components found in GBE, known as ginkgolides and bilobalide, increase circulation to the brain and other parts of the body as well as exert a protective effect on nerve cells. Ginkgolides may improve circulation and inhibit platelet-activating factor (PAF). Bilobalide protects the cells of the nervous system. Recent animal studies indicate that bilobalide may help regenerate damaged nerve cells.

Remedies For:
Symptomatic relief of organic brain dysfunction
Intermittent Claudification
Vertigo (vascular origin)
Tinnitus (vascular origin)

It is useful for disturbed brain functions, which result in dizziness, tinnitus, and headache with emotional lability and anxiety. Ginkgo has also been demonstrated to improve concentration and memory deficits as a result of peripheral arterial occlusive disease.

Other Applications:

Alzheimer's disease
Atherosclerosis
Cerebrovascular insufficiency
Congestive heart failure
Depression
Diabetes
Impotence/infertility (male)
Intermittent claudication
Macular degeneration
Migraine headaches
Multiple sclerosis
Raynaud's phenomenon

GBE and Circulation:
GBE increases circulation to both the brain and extremities of the body. In addition to inhibiting platelet stickiness, GBE regulates the tone and elasticity of blood vessels. In other words, it makes circulation more efficient. This improvement in circulation efficiency extends to both large vessels (arteries) and smaller vessels (capillaries) in the circulatory system.

Antioxidant Properties:
GBE may have antioxidant properties in the brain, retina of the eye, and the cardiovascular system. Its antioxidant activity in the brain and central nervous system may help prevent age-related declines in brain function. GBE's antioxidant activity in the brain is of particular interest. The brain and central nervous system are particularly susceptible to free radical attack. Free radical damage in the brain is widely accepted as being a contributing factor in many disorders associated with aging, including Alzheimer's disease.

Nerve Protection and PAF Inhibition:
One of the primary protective effects of the ginkgolides are their ability to inhibit a substance known as platelet-activating factor (PAF). PAF is a mediator released from cells that causes platelets to aggregate (clump together). High amounts of PAF are associated with damage to nerve cells, poor blood flow to the central nervous system, inflammatory conditions, and bronchial constrictions. Much like free radicals, higher PAF levels are also associated with aging. Ginkgolides and bilobalide protect nerve cells in the central nervous system from damage during periods of ischemia (lack of oxygen to tissues in the body). This effect may be supportive for persons who have suffered a stroke.

Anti-Aging Properties

Ginkgo increases blood flow to the brain and has excellent restorative effects on the nervous system. Hundreds of scientific studies, involving tens of thousands of patients, attest to the effectiveness of Ginkgo biloba extract for the many problems associated with cerebral vascular insufficiency and impaired mental performance in elderly patients. The active components of Ginkgo biloba have a profound tonic effect on the mind and body. GBE has been shown to inhibit the reuptake of norepinephrine, serotonin, dopamine, and acetylcholine, important neurotransmitters in the brain. The extract acts as an antioxidant and a nerve cell membrane stabilizer. It also enhances oxygen and glucose utilization and increases blood flow in arteries, veins, and capillaries. Experiments involving learned helplessness and behavioral despair in laboratory animals demonstrated that GBE exhibited some antianxiety and antidepressant activities.

Ginkgo is of benefit for many of the presumed symptoms of aging such as:
Anxiety and depression
Memory impairment
Poor concentration, decreased alertness
Diminished intellectual capacity
Vertigo, headache
Tinnitus (ringing in the ears)
Macular degeneration ( the most common cause of blindness in adults)
Inner ear disturbances (which can cause partial deafness)
Poor circulation in the extremities
Impotence due to impaired penile blood flow