petrea bianca alexandra 8219

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Page 1: Petrea bianca alexandra 8219

Coffee

Petrea Bianca AlexandraTudor Anca Mihaela

Page 2: Petrea bianca alexandra 8219

Coffee is a brewed  drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant. The genus Coffea is native to tropical Africa, and Madagascar, the Comoros, Mauritius and Réunion in the Indian Ocean.The plant was exported from Africa to countries around the world and coffee plants are now cultivated in over 70 countries, primarily in the equatorial regions of the Americas, Southeast Asia, India, and Africa.

What is coffee?

Page 3: Petrea bianca alexandra 8219

History of coffeeThe earliest credible evidence of coffee-drinking or knowledge of the coffee tree appears in the middle of the 15th century in the accounts of Ahmed al-Ghaffar in Yemen. It was here in Arabia that coffee seeds were first roasted and brewed, in a similar way to how it is now prepared. Coffee was used by Sufi circles to stay awake for their religious rituals.

Page 4: Petrea bianca alexandra 8219

Ecological effectsOriginally, coffee farming was done in the shade of trees that provided a habitat for many animals and insects.Remnant forest trees were used for this purpose, but many species have been planted as well. These include leguminous trees of the genera  Acacia, Albizia, Cassia, Erythrina, Gliricidia, Inga, and Leucaena, as well as the nitrogen-fixing non-legume sheoaks of the genus Casuarina, and the silky oak Grevillea robusta.

Page 5: Petrea bianca alexandra 8219

Sale and distribution

Coffee ingestion on average is about a third of that of tap water in North America and Europe. Worldwide, 6.7 million metric tons of coffee were produced annually in 1998–2000, and the forecast is a rise to seven million metric tons annually by 2010.