The yolk of the egg of Gallus Bankiva, var. do-mestica Temminck (class Aves; order Gallinae).

Habitat

Java and Cochin China; domesticated.

Composition

1) Vitellin, 16 per cent. (2) Fat, 30 per cent. (3) Inorganic Salts, Cholesterin, Lecithin, and coloring matter.

Preparation

Glyceritum Vitelli. - See Glycerin, p. 608.

Action And Therapeutics Of Yolk Of Egg

Yolk of egg is used to make emulsions and is nutritive and emollient.