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A flour-to-water ratio of 1-to-1 results in a relatively fluid ferment. Stiffer doughs, such as 2-to-1, may also be used. After mixing it is allowed to ferment for a period of time, and then is added to the final dough as a substitute for or in addition to more yeast.
The sponge and dough method is a two-step bread making process: in the first step a sponge is made and allowed to ferment for a period of time, and in the second step the sponge is added to the final dough's ingredients, [1] creating the total formula. [2] In this usage, synonyms for sponge are yeast starter or yeast pre-ferment.
Fermentation typically begins when viable baker's yeast or a starter culture is added to flour and water. Enzymes in the flour and yeast create sugars, which are consumed by the yeast, which in turn produce carbon dioxide and alcohol. Specifically, the grain enzyme diastase begins to convert starch in the grain to maltose.
The ancient form of kashk is a porridge of grains fermented with whey and dried in the sun. [5] The long shelf-life and nutritional value of kashk made it a useful item for peasants during the winter months, as well as soldiers and travelers. [6]
Whey is the primary ingredient in most protein powders, which are used primarily by athletes and bodybuilders to obtain the necessary amounts of protein for muscle building/maintenance on a daily basis. Whey protein has a high level of leucine, [21] one of the three branched-chain amino acids, making it ideal for muscle growth and repair.
A fermentation ratio is described as the time the dough takes from leaving the mixer to just before the peak begins to fall — when degassing occurs — relative to the remaining bulk fermentation time afterwards. [26] Folding or knock back may also be omitted: after sufficient bulk fermentation time, the dough may go straight to make-up. [27]
A dough conditioner, flour treatment agent, improving agent or bread improver is any ingredient or chemical added to bread dough to strengthen its texture or otherwise improve it in some way. Dough conditioners may include enzymes , yeast nutrients, mineral salts, oxidants and reductants , bleaching agents and emulsifiers . [ 1 ]
Grapes being trodden to extract the juice and made into wine in storage jars. Tomb of Nakht, 18th dynasty, Thebes, Ancient Egypt. Sourdough starter. In food processing, fermentation is the conversion of carbohydrates to alcohol or organic acids using microorganisms—yeasts or bacteria—without an oxidizing agent being used in the reaction.