Table of Contents
What type of flour is bleached with chlorine to produce a fine white crumb?
Chlorine gas is used exclusively in cake flour. In addition to whitening, the process of chlorination improves the baking properties of soft wheat flour by weakening gluten and lowering pH—which helps to produce a sweeter flavor, finer crumb, and a more aerated final product.
Which compound is used in bleaching of flour?
Flour bleaching agents are added directly to the freshly-milled flour. Powder bleaching agents such as benzoyl peroxide are mixed directly with the flour. Whitening is often completed in two days. Gaseous bleaching agents such as nitrogen peroxide and chlorine are fed into a bin containing the freshly-milled flour.
How does wheat get bleached?
Bleached flour uses bleaching agents (commonly benzoyl peroxide and chlorine gas, among others) to speed up the flour’s aging process. This results in a whiter, finer-grain flour with a softer texture. Some people with sensitive palate can notice a difference in taste with bleached flour.
How do you make wheat flour white?
Grind the wheat in a grain mill (don’t use the finest setting) and sift the flour through the strainers. Usually large strainers have a wide mesh, while the mesh of small strainers is tighter woven. So it’s possible to sift different types of flour: from whole wheat flour to white flour.
What is patent flour vs all purpose flour?
Bakers often use the term patent flour to refer to baking flour. However, most flour sold today, whether bread, cake or pastry, is patent flour. It is high quality, commercial grade white flour. It’s the milled product of the innermost part of the endosperm of the wheat grain.
Is King Arthur special patent flour the same as bread flour?
King Arthur Special Patent Flour is flour made from the center endosperm of the wheat kernel, meaning it’s of a higher quality and lower ash content than standard bread flour. This “short patent” is a classic spring wheat bread flour milled from the center of the wheat kernel resulting in high protein and low ash.
Why is benzoyl peroxide used in flour?
What is Benzoyl Peroxide? Benzoyl peroxide is an ingredient added to flour in small quantities for oxidizing carotenoid pigments in the flour. This leads to the whitening or bleaching of the flour, which is part of the usual treatment performed on flour at the mill.
What is benzoyl peroxide in flour?
Benzoyl peroxide is a food additive that can be used as a flour treatment agent. It oxidizes the naturally-occurring carotenoids in flour, which gives untreated flour a yellowish tint, and whitens the flour as a result. It is often used as some consumers prefer white flour to yellowish ones.
Can you substitute bleached flour for unbleached flour?
Bleached flour and unbleached flour can be used interchangeably in recipes. Milled flour will bleach, or turn white, on its own when allowed to stand exposed to air (unbleached flour). Because this takes time, bleaching agents are added to the flour to turn it whiter (bleached flour).
What is the difference between bleached flour and unbleached flour?
Bleached flour has a whiter color, finer grain, and softer texture, while unbleached flour has a denser grain and tougher texture. Bleached flour is treated with chemical agents to speed up the aging process.
Why is it called patent flour?
Bakers often use the term patent flour to refer to baking flour. It is high quality, commercial grade white flour. It’s the milled product of the innermost part of the endosperm of the wheat grain. The flour is low in ash and has a good white color.