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Ginkgo

Ginkgo. Taxonomy Binomial name is Ginkgo Biloba Belongs to Ginkgoaceae Family. Morphology. Dioecious, male and female trees are separate The pollen and ovules grow on the short spurts, seldom leaves

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Ginkgo

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  1. Ginkgo

  2. Taxonomy Binomial name is Ginkgo BilobaBelongs to Ginkgoaceae Family

  3. Morphology • Dioecious, male and female trees are separate • The pollen and ovules grow on the short spurts, seldom leaves • Upon fertilization, the ovules develop into yellowish, plum like seeds containing a large nut and fleshy outer layer • Presence of butyric acid • Main components are flavonoids and gingkolides • The flavonoids have antioxidant properties • The gingkolides inhibit platelets in the blood from coagulating

  4. Morphology • Usually 20-35 meters in height • Angular crown and long branches • Usually deep rooted • Oldest living species of tree http://www.xs4all.nl/~kwanten/thetree.htm

  5. Distribution & Habitat • Found in temperateandsubtropical climates • Prefers sunlight and moist soils but adaptable • Ginkgo grows from late May to August • Fertilize 1-2 times a year. http://www.xs4all.nl/~kwanten/thetree.htm

  6. During the 11th century (Sung dynasty) gingko appeared in Chinese literature as a plant native to eastern China The earliest use as a medicine was mentioned in the Chinese MateriaMedica by Shen NungPenTsao Ching as an aid for blood circulation Ginkgo-seeds were brought to Europe in the early 1700's and America later that century. In the late 1950s western medicine began to study gingko’s medicinal uses. History

  7. Culinary Ginkgo nuts are often served at special occasions Medicinal Ginkgo extract has three effects on the human body It improves blood flow to the tissues and organs It protects against oxidative cell damage from free radicals It blocks many of the effects of PAF (platelet aggregation, blood clotting) that is related to the development of cardiovascular, renal, and respiratory disorders. Uses

  8. Harvesting • Takes place in the fall • Leaves removed from branches and dried at 105º-110ºF about 12 to 14 hours • A this point their should be no flexibility in the leaf and they should have a crinkly feel • Package the dried leaves and store in a cool, dry, and dark place

  9. Summary • Ginkgo biloba, commonly called ginkgo, is a dioecious tree from China • In traditional Chinese medicine it was used to treat asthma, bronchitis, and various brain disorders • In modern medicine it is used to treat memory loss, circulatory and immune system problems

  10. References • www.med.unc.edu/phyrehab/ncmedicinalherbs • www.xs4all.nl/~kwanten/history.htm • www.anmp.org/inpr/gingko_html/gink_chem_fr.html • www.xs4all.nl/~kwanten/thetree.htm

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