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Bread Flour. Comparing bread flour versus all-purpose flour, the former has the highest protein content of the refined wheat flours, clocking in at up to 14 percent.
For example, in a recipe that calls for 10 pounds of flour and 5 pounds of water, the corresponding baker's percentages are 100% for the flour and 50% for the water. Because these percentages are stated with respect to the weight of flour rather than with respect to the weight of all ingredients, the sum of these percentages always exceeds 100%.
Prior to folding, the dough surfaces that are folded together should be brushed to remove excess dry flour. [24] This is also called knock back [25] or punch down, and may occur in an oiled bowl followed by a few folds, then flipped over so the seam side is down. [22] This stretching and folding develops the gluten and equalizes the dough ...
The gluten is developed in the mixing or kneading process, and it may then be processed through further work and rest cycles before being proofed then baked. The sum of the sponge and final dough's ingredients represents the total formula. [3] [7] [note 3] A generic 65% pre-fermented flour sponge-and-dough formula using bakers' percentages follows:
The problem with active dry yeast is that it is temperamental and not super shelf stable. If your liquid is too cold (under 90 degrees), it may not work.
Flour provides the primary structure, starch and protein to the final baked bread. The protein content of the flour is the best indicator of the quality of the bread dough and the finished bread. While bread can be made from all-purpose wheat flour, a specialty bread flour, containing more protein (12–14%), is recommended for high-quality bread.
In areas where high-gluten hard wheat is readily available, the need for a complex polyculture of bacteria and yeast can often be reduced or removed by adding a large proportion of hard wheat flour to the rye flour. Its added gluten compensates for amylase activity on the starch in the dough, allowing the bread to retain its structure as it bakes.
One variant of emmer wheat is called durum wheat and is the source of semolina flour, used in making pastas and other food pastes. Comparable varieties are found throughout Eurasia. Finally, emmers wheat was combined with a goat grass (Aegilops tauschii) to form allohexaploid bread wheat, which has a soft fine texture after rising and cooking.