Brand : Louis François (FRANCE) BAKING POWDERS is leavening agents Contains sodium bicarbonate, but it includes the acidifying agent already (cream of tartar), and also a drying agent (usually starch). Raising agent that allows cakes to rise under the conjugated action of moisture and heat, does not leave alkaline residues, which avoids saponification. Gives maximum and consistent output without coloring pastry .
Baking powder is available as single-acting baking powder and as double-acting baking powder.
Single-acting powders are activated by moisture, so you must bake recipes which include this product immediately after mixing.
Double-acting powders react in two phases and can stand for a while before baking. With double-acting powder, some gas is released at room temperature when the powder is added to dough, but the majority of the gas is released after the temperature of the dough increases in the oven.