Elaeis Elaeis Elaeis () is a genus of palms containing two species, called oil palms. They are used in commercial agriculture in the production of palm oil. The African oil palm "Elaeis guineensis" (the species name "guineensis" referring to its country of origin) is the principal source of palm oil. It is native to west and southwest Africa, occurring between Angola and Gambia. The American oil palm "Elaeis oleifera" () is native to tropical Central and South America, and is used locally for oil production. Mature palms are single-stemmed, and can grow well over tall. The leaves are pinnate, and reach
Rendering (animal products) separates the fat from the water. The solids may be used in food products, pet foods, etc., depending on the original materials. The separated fat may be used in food products, or if in surplus, may be diverted to soap making operations. Most edible rendering is done by meat packing or processing companies. One edible product is greaves, which is the unmeltable residue left after animal fat has been rendered. An alternative process cooks slaughterhouse offal to produce a thick, lumpy "stew" for the pet food industry, which uses it principally in tinned cat and dog foods. Such plants are