Hundreds of types made from many different grains.
wholemeal flours are healthier than using normal flour
Soft flours are those with low protein (gluten) content, such as cake and pastry flour.
Bromine is typically not added to flours. Most flours, including wheat, whole grain, and gluten-free flours, should be bromine-free. It's always a good idea to check the ingredients list on the packaging to be sure.
flowers
Lots of flours
ubugali is a doughy paste made of different flours made in Rwanda
Continental Mills Inc. makes prepared mixes and doughs from purchased flours
Iron
You have to read you method and it will show you how it is used and when in the recipe.
calcuim
all flours make the structure of the bread
500 grams of white baking flour is exactly 4 cups.