By Kenneth J. Carpenter
Lines the many years of scientific & chemical study that solved the puzzle posed via beriberi, a mysterious disorder that's attributable to the inability of a minute volume of the chemical thiamin, or nutrition B1, within the vitamin. Western medical professionals operating in Asia after 1870 observed it because the significant illness between those that ate white rice, whereas humans consuming brown rice, the place the grain nonetheless contained its bran & germ, remained fit. study eventually enabled the synthesis of ''thiamin'', that's now used to complement white rice & flour in so much complex nations, yet now not in poorer international locations the place the illness has been endemic. ''A interesting chronicle of a background that encompasses public overall healthiness, technology, nutrition, alternate, increasing empires, struggle, & technology.'' Illustrations.