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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.
The changes of functional properties of the flour proteins are likely to be caused by their oxidation. In countries where bleached flour is prohibited, microwaving plain flour produces similar chemical changes to the bleaching process. This improves the final texture of baked goods made to recipes intended for bleached flours. [2]
"Bleached flour" is "refined" flour with a chemical whitening (bleaching) agent added. "Refined" flour has had the germ and bran, containing much of the nutritional fibre and vitamins, [citation needed] removed and is often referred to as "white flour". Bleached flour is artificially aged using a "bleaching" agent, a "maturing" agent, or both.
The difference between bleached and unbleached is this: Bleached flour usually containst benzoyl peroxide which actually whitens the flour. Unbleached flour has no bleaching additive. 12.43.88.120 02:29, 6 March 2008 (UTC) Bleached flour is artificially aged using a bleaching agent, a maturing agent, or both.
Next, a chemical bleaching process is used to give the flour a whiter color. This bleaching step, usually with chlorine or benzoyl peroxide, destroys many of the original nutrients that were present in the flour. The final flour product contains a smaller portion of the original nutrients that were present in the seed prior to processing.
In fact, whole grain flour has up to five times more antioxidant and mineral levels than white flour. Whole wheat is a good source of fiber , a nutrient that up to 95% of people do not get enough of.
By Lisa Marsh Thanks to a slew of new alternative flours, including whole grain quinoa flour and coconut flour, you can now say sayonara to white flour. And that's a good thing: White flour is ...
Bleached flour is a white flour treated with flour bleaching agents to whiten it (freshly milled flour is yellowish) and give it more gluten-producing potential. Oxidizing agents are usually employed, most commonly organic peroxides like acetone peroxide or benzoyl peroxide , nitrogen dioxide , or chlorine .
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