Friday, July 18, 2008

One Kind of Coffee Promotes Weight Loss

It doesn't sound very appetizing, but coffee that is made from green, unroasted beans promotes weight loss thanks to naturally occurring compounds, according to a study from the Oryza Oil & Fat Chemical Company, Ltd. in Aichi, Japan, reports The Discovery Channel.

Separate research by scientists at the University of Geneva in Switzerland had similar findings about green tea, which slightly increases the body's metabolism and speeds up its ability to burn fat.

But green coffee is even more potent than green tea as a weight loss supplement. "If a human consumes one kilogram per day of food (2.2 pounds) containing 10 grams (.35 ounce) of green coffee bean extract for 14 days, the increase in body weight may be suppressed by 35 percent," lead author and scientist Hiroshi Shimoda told Discovery News.

Regular coffee has no effect on weight loss. Shimoda says there are two types of compounds in unroasted coffee: caffeine and chlorogenic acid. The latter is destroyed during the roasting process and its decomposition is what gives coffee its characteristic aroma and flavor. Green coffee has no aroma and tastes slightly bitter, reports Discovery News.

The study: For 13 days, one group of laboratory mice was fed a diet that contained one percent green coffee bean extract, while others were fed food into which a small amount of caffeine or a small amount of chlorogenic acid was added. A control group of mice consumed a regular diet without any additives. The blood, weight and liver function of all the mice were analyzed.

The results: Taken alone, the caffeine and the chlorogenic acid had little effect, but when taken together the compounds reduced body weight by 35 percent when compared with a control group of mice that consumed no green coffee extract over the 13-day period.

Why? The scientists believe caffeine releases fatty acids from fat stored in the body, while the chlorogenic acid helps the liver to process these fatty acids more efficiently, reports Discovery News.

The study findings were published in the journal BioMed Central Complementary and Alternative Medicine.


From the editors at Netscape

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Want to shop for raw green coffee beans? Wittard of Chelsea ships internationally, from Europe to USA. These are the best-seller raw green coffee beans:

Raw Green Beans - Blue Mountain Jamaican, 500g
Raw Green Beans - Blue Mountain Jamaican, 500g
Uniquely smooth & sweet intensity. Superb growing conditions make Blue Mountain Jamaica perfect. Fertile volcanic soil, regular rainfall, and most importantly 'island cloud cover' as a sun-shade, all helps develop the exceptional sweetness and aroma. Roast very lightly to maintain the sweetness. To maintain its sweetness, Blue Mountain Jamaican requires a light roast.

Raw Green Beans - Celebes Kalosi, 500g bag
Raw Green Beans - Celebes Kalosi, 500g bag
Luxurious & aromatic, intensely smooth. The Dutch traded world famous coffee in the tiny village of Kolosi over 100 years ago. Toraja Indians still farm in forest clearings. Quite exceptional; rich smooth, full bodied, truly delicious!

Raw Green Beans - Mocha Ethiopia, 500g bag
Raw Green Beans - Mocha Ethiopia, 500g bag
Tangy Djimmah - an amazing spicy taste. Dry Processed Arabica beans from the small-holder farmers of the North Eastern Ethiopian Djimmah region. Roast lightly, as the natural tang and magic of Mocha would turn bitter if roasted any darker. The dry process means that fresh picked red cherries are laid in the sun to dry. Once the skin and flesh are dry and brittle, they are bashed off. The bean, left in its skin during this process, matures and sours slightly, developing the amazing winey tang for which real Ethiopian Mocha is famous.

Raw Green Beans - Fairtrade Colombian, 500g bag
Raw Green Beans - Fairtrade Colombian, 500g bag
A Fairtrade registered coffee. A clean and well prepared green bean from selected registered farms. This type of Colombian is adaptable so can be roasted to a medium or slightly higher roast to obtain a darker colour, but do not roast too high. Expect that smooth Colombian taste.

Raw Green Beans - Organic Papua New Guinea, 500g bag
Raw Green Beans - Organic Papua New Guinea, 500g bag
Gently concentrated heavier flavour. The Australians have made an amazing effort helping the tribesmen of The Arona Valley cultivate coffee, with irrigation from the Yonki dam. Full-bodied and heavy, yet milder than other Indonesian coffee.


There are many ways you can roast beans, starting with a thin layer of beans in a heavy frying pan agitated over a fierce flame, or a French chestnut roaster with paddle - we even have one customer who uses a bunsen burner (we don't recommend this at home!) The safest and most precise way is to use a domestic coffee roaster, such as the Precision Coffee Roaster the domestic coffee roaster with professional results:
Precision Coffee Roaster