ABSTRACT

COTTON is a plant that has been cultivated worldwide for centuries as a fibercrop. It is currently grown for fiber in more than 70 different countries, but there are also market outlets for its oil. Cottonseed accounts for about 13% of world oilseed production. Oil production, although more than double that of fiber production, accounts for only 15% of the commercial value of the cottonseed crop. To optimize usage of this low-cost, oil-rich, and protein-rich product, the film-forming properties of cottonseed proteins were studied to produce biodegradable materials of economic and environmental interest (Wu and Bates, 1973; Marquié et al., 1996, 1997a, b).