A roasted grain beverage is a hot beverage made from one or more cereal grains roasted and commercially processed into crystal or powder form to be reconstituted later in hot water. The product is often marketed as a caffeine-free alternative to coffee and tea.
Several well-known roasted grain beverages are Nestlé Caro, Inka, and Postum (a discontinued product). Other brands can be found at health food stores and at some grocery stores.
Some common ingredients include toasted barley, malted barley, rye, chicory, molasses, and beet root.
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Roasted grain beverages are popular in Polish (brands Inka, Krakus, Anatol, Kujawianka) and East Asian cuisines, Japan, China, and Korea each having their own versions (usually roasted grains simply steeped in hot water).
Acrylamide, a suspected cancer-causing chemical, is found at high levels in dark-colored baked, roasted and fried high-carbohydrate foods, as well as in roasted coffee and barbecued meat. The dark-roasted grains used in roasted grain beverages would also, presumably, have high levels of acrylamide. The Heatox Project (Heat-generated Food Toxicants) is a European Union project that assessed the quantities of acrylamide in various foods. The Project recommended that people toast foods as little as possible. Acrylamide was found in Postum, a roasted grain drink, at a level of 22.3 micrograms per portion. Acrylamide was found in coffee at levels of 1.9 micrograms per portion. Both of these datapoints are FDA-presented data and can be found in an FDA report on Acrylamide in food.
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