ketose: any monosaccharide sugar that contains a ketone group or its hemiacetal
monosaccharide: a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates
fair-trade act: formerly a state law that protected manufacturers from price-cutting by allowing them to set minimum retail prices for their merchandise; eliminated by the United States Congress in 1975