All about coffee by William H. Ukers

CHAPTER XVIII

PHARMACOLOGY OF THE COFFEE DRINK _By Charles W. Trigg_ General physiological action--Effect on children--Effect on longevity--Behavior in the alimentary régime--Place in dietary--Action on bacteria--Use in medicine--Physiological action of "caffetannic acid"--Of caffeol--Of caffein--Effect of caffein on mental and motor efficiency--Conclusions Page 174