Ever wondered about what's really in hair coloring, Silly Putty, Cheese Wiz, artificial snow, or self-tanners? Chemical & Engineering News presents a collection of articles that gives you a look at the chemistry behind a wide variety of everyday products.
As a whipping agent, gelatin binds large amounts of water into marshmallow. Gelatin is a mixture of polypeptides. Its amphiphilic nature gives it foam-stabilizing properties.
A typical gelatin polypeptide contains the amino acids alanine, glycine, proline, arginine, glutamic acid, and hydroxyproline. It is prepared from collagen,
which is isolated from animal bones and fish skins with a dilute acid.
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