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Leavening agents can be biological or synthetic chemical compounds. The gas produced is often carbon dioxide, or occasionally hydrogen. [1] When a dough or batter is mixed, the starch in the flour and the water in the dough form a matrix [2] (often supported further by proteins like gluten or polysaccharides, such as pentosans or xanthan gum).
Disodium pyrophosphate is a popular leavening agent found in baking powders. It combines with sodium bicarbonate to release carbon dioxide: Na 2 H 2 P 2 O 7 + NaHCO 3 → Na 3 HP 2 O 7 + CO 2 + H 2 O. It is available in a variety of grades that affect the speed of its action.
Quick bread is any bread leavened with a chemical leavening agent rather than a biological one like yeast or sourdough starter.An advantage of quick breads is their ability to be prepared quickly and reliably, without requiring the time-consuming skilled labor and the climate control needed for traditional yeast breads.
Soda bread – variety of quick bread traditionally made in a variety of cuisines in which sodium bicarbonate (otherwise known as baking soda) is used as a leavening agent instead of the more common yeast; Sopaipilla – Fried pastry traditional in Spain, Latin America, and the southwestern United States; Touton – Newfoundland pancake
In cooking, baking soda is primarily used in baking as a leavening agent.When it reacts with acid or is heated, carbon dioxide is released, which causes expansion of the batter and forms the characteristic texture and grain in cakes, quick breads, soda bread, and other baked and fried foods.
Saccharomyces cerevisiae, the yeast commonly used as baker's yeast. Gradation marks are 1 μm apart.. Baker yeast is the common name for the strains of yeast commonly used in baking bread and other bakery products, serving as a leavening agent which causes the bread to rise (expand and become lighter and softer) by converting the fermentable sugars present in the dough into carbon dioxide and ...
Baking powder is a dry chemical leavening agent, a mixture of a carbonate or bicarbonate and a weak acid. The base and acid are prevented from reacting prematurely by the inclusion of a buffer such as cornstarch. Baking powder is used to increase the volume and lighten the texture of baked goods.
They tend to become tough when they are kneaded. [2] These doughs are often called "short" by bakers. Examples include many cookie and pie doughs such as shortcrust pastry. [1] Quick breads use leavening agents other than yeast (such as baking powder or baking soda), and include most cookies, cakes, biscuits, and more.