This section is from the book "Facts Worth Knowing", by Robert Kemp Philip. Also available from Amazon: Inquire Within for Anything You Want to Know.
It has lately been found that water saturated with lime produces in bread the same whiteness, softness and capacity of retaining moisture, as results from the use of alum; while the former removes all acidity from the dough, and supplies an ingredient needed in the structure of the bones but which is deficient in the cerealia. The best proportion to use is, five pounds of water saturated with lime, to every nineteen pounds of flour. No change is required in the process of baking. The lime most effectually coagulates the gluten, and the bread weighs well; bakers must therefore approve of its introduction, which is not injurious to the system, like alum, etc.
 
Continue to: