Gelatine is obtained from the bones, cartilage, and skin of animals. It is the connective tissue dissolved out of these parts.
The housekeeper may obtain it for herself or she may buy it already extracted; both are equally good.
2. Commercial forms:
(1) Sheet gelatine
(2) Shredded gelatine
(3) Granulated gelatine.
3. Properties of gelatine:
(1) It softens in cold water, but will not dissolve.
(2) It dissolves in hot water.
(3) It jellies when cold, if the solution be sufficiently strong.