Watercolor painting to paints that use water-soluble, complex carbohydrates as a binder. Originally (in the 16th to 18th centuries), watercolor binders were sugars and/or hide glues, but since the 19th century, the preferred binder is natural gum arabic, with glycerin and/or honey as additives to improve plasticity and solubility of the binder, and with other chemicals added to improve product shelf life. The term "bodycolor" refers to paint that is opaque rather than transparent. It usually refers to opaque watercolor, known as gouache. Modern acrylic paints use a acrylic resin dispersion as a binder. Watercolor painters before the turn of the 18th
Vernice bianca Vernice bianca Vernice bianca is a type of sealer varnish used in violin making. It is mainly prepared with a mix of egg white and gum arabic. The following is taken directly from American Lutherie #10 in 1987 when interviewing Jack Batts. It is also in The Big Red Book vol 1 from Guild of American Luthiers. A recipe for “Vernice Bianca” from Simone Fernando Sacconi 25g of gum arabic 1/2 teaspoon of honey 1/4 teaspoon of rock candy about 100cc of water albumen from one egg white. - Crush the rock candy - Warm the water but do not