Gouache tubes and a "Chinese white" tube was added to boxes for this purpose. Later that century, for decorative uses "poster paint" was mass-produced, based on the much cheaper dextrin binder. It was sold in cans or as a powder to be mixed with water. The dextrin replaced older paint types based on hide glue or size. During the twentieth century, gouache began to be specially manufactured in tubes for more refined artistic purposes. Initially, gum arabic was used as a binder but soon cheaper brands were based on dextrin, as is most paint for children. A relatively new variation in
Gum arabic Sudanese are dependent on gum arabic for their livelihoods and it is still the world's largest single producer. The production of gum arabic is heavily controlled by the Sudanese government. Gum arabic slows the rate of absorption of some drugs, including amoxycillin, from the gut. Gum arabic Gum arabic, also known as acacia gum, arabic gum, gum acacia, acacia, Senegal gum and Indian gum, and by other names, is a natural gum consisting of the hardened sap of various species of the acacia tree. Gum arabic is collected from acacia species, predominantly "Acacia senegal" and "Vachellia (Acacia) seyal." The term