(e) Food adulteration.
(f) The relation of alcohol to the human system.
Laboratory Suggestions
Laboratory exercise.—Composition of common foods. The series of food charts supplied by the United States Department of Agriculture makes an excellent basis for a laboratory exercise to determine common foods rich in (a) water, (b) starch, (c) sugar, (d) fats or oils, (e) protein, (f) salts, (g) refuse.
Demonstration.—Method of using bomb calorimeter.
Laboratory and home exercise.—To determine the best individual balanced dietary (using standard of Atwater, Chittenden, or Voit) as determined by the use of the 100-Calorie portion.
Demonstration.—Tests for some common adulterants.
Demonstration.—Effect of alcohol on protein, e.g. white of egg.
Demonstration.—Alcohol in some patent medicines.
Demonstration.—Patent medicines containing acetanilid. Determination of acetanilid.