Flour bleaching agent is the agent added to fresh milled grains to whiten the flour by removing the yellow colour pigment called xanthophyll. It whitens the flour, which is used in the baking industry.
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The Difference Between Bleached and Unbleached Flour
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Flour treatment agent
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About White Refined Flour | Dark Truth Behind White Foods-Part 1 | SCImplify
Transcription
Overview
Usual flour bleaching agents are:
- Organic peroxides (benzoyl peroxide)
- Calcium peroxide
- Chlorine
- Chlorine dioxide
- Azodicarbonamide
- Nitrogen dioxide
- Atmospheric oxygen, used during natural aging of flour
Use of chlorine, bromates, and peroxides is not allowed in the European Union.[1]
Bleached flour improves the structure-forming capacity, allowing the use of dough formulas with lower proportions of flour and higher proportions of sugar [citation needed]. In biscuit making, use of chlorinated flour reduces the spread of the dough, and provides a "tighter" surface. 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]
See also
- Chorleywood bread process – another bread making process that increases volume
- Flour treatment agent
- Graham flour – an early unbleached whole-grain flour
- Maida flour – a commonly bleached flour in India
References
- ^ The Bread and Flour Regulations 1998 (as amended) (PDF), Food Standards Agency, UK, p. 6, archived from the original (PDF) on December 9, 2011, retrieved December 28, 2012
- ^ "Kate Flour". A Merrier World. 2008. Retrieved 2011-09-12.
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This page was last edited on 17 April 2024, at 00:00