For example a popular ingredient for weight loss supplements today is Green Coffee Bean extract.

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On the show, Oz did not mention that the study was funded by Applied Food Sciences, which makes green-coffee-bean supplements.

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But before partaking of the deep-green elixirs, guests are offered tea sweets known as wagashi: beautiful, bite-size confections made with ingredients ranging from red bean paste to green tea itself.

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Starbucks has also adapted many products to suit Chinese tastes, such as Chai Tea Lattes, Green Tea Black Sesame Frappuccinos, Black Bean Muffins and Black Sesame Cookies.

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In Indonesia, franchises offer durian and lychee flavoured doughnuts, while in Korea, red bean paste is a popular filling and green tea and garlic are popular glazes.

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The bird is meticulously cut into 120 slices and served with fermented bean paste, light pancakes, sliced cucumbers and green onions.

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