Green coffee beans are the green seeds inside coffee berries. The coffee berries actually look very much like cherries. So, green coffee beans come from these red coffee berries, which in turn come from the coffee tree plant.
Where Are Green Coffee Beans Grown?
Brazil is the world leader in green coffee production, followed by Vietnam, Indonesia and Columbia. Arabica coffee beans are grown in Latin America, Africa, Arabia and Asia. Robusta coffee beans are grown in Africa. Coffee cultivation takes place largely in and around the area of the equator. Coffee is cultivated in over 70 countries, beginning in Ethiopia in the 15th century.
How Green Coffee Beans Are Harvested
The coffee beans are usually picked by hand, but sometimes by machine. The redder and riper the coffee berry, the better the taste so the red and ripe coffee berries are set aside for the higher quality coffees. Once the berries are picked, the seeds are removed. Dry processing involves using the heat of the sun to dry the fruit at which point the seed can be easily removed. After the drying process, the coffee beans are completely cleaned of fruit residue and then, in most cases, prepared for roasting. But, green coffee extract is derived from coffee beans that have not yet gone to the roasting process.
Wet processing is a different process, which produces a milder coffee and is much less environmentally friendly. Wet processing uses large amounts of water, which in turn produces a large amount of wastewater.
The Green Coffee Bean Extract Study for Weight Loss
A study by Dr. Joe Vinson of the University of Scranton in Scranton, PA investigated the weight loss potential of green coffee bean extract. Study participants did not change their diets or exercise habits. This was a double-blind placebo study meaning the researchers and participants were unaware which participants were getting the green coffee extract and which were getting the placebo. The study involved 16 participants and lasted 22 weeks. In every instance, the participants getting the green coffee extract lost weight. They lost an average of 17 pounds over 22 weeks with no negative side effects reported.
The green coffee bean extract used in the study had less than 55 mg of caffeine, which is lower than the 100 mg of caffeine in the typical cup of coffee which most of us drink daily.
Dr. Vinson is planning a larger study to confirm these results.
The interest in the health benefits and weight loss benefits of green coffee is a recent phenomenon.
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References & Resources
March 28, 2012
“Green coffee beans may lead to weight loss, study shows”
March 27, 2012
“Coffee Bean Extract Linked to Weight Loss”
March 28, 2012
“Green Coffee Beans May Aid Weight Loss”
March 27, 2012
“New Evidence On Effects of Green Coffee Beans in Weight Loss”