Milk Sugar, or Lactose, is prepared from the whey of cow's milk. It should be kept in tight containers as it readily absorbs various odors. Properties:

Appearance...............................................................................................

Feel on the tongue..............................................................................

Color .............................................................

Solubility:

Odor.......................................................

H2O......................................................................................................

Taste ....................................................................

C2H5OH.........................................................................................

Lactose is widely used as an added sugar in the modified-milk feeding of infants, and to furnish additional carbohydrate in those cases requiring an exclusive milk diet.