Grind some bones to make your bread

SHOCKING enough to hit the headlines today, the substitution of genuine articles by inferior ones was an everyday occurrence throughout the world only a century and a half ago.
Floor-sweepings in pepper, sheep dung in tea, red lead in boiled sweets, and alum (a mineral salt, present in today’s deodorants) for so many things — to make bread whiter, pickle greener, and wine brighter. Standards may not have been so sloppy in the distant past.