Elaeis guineensis but since 2007, Indonesia has been the world's largest producer, supplying approximately 50% of world palm oil volume. Worldwide palm oil production for season 2011/2012 was 50.3 million metric tons, increasing to 52.3 million tons for 2012/13. In 2010/2011, total production of palm kernels was 12.6 million tonnes. The Urhobo people of Nigeria use the extract to make Amiedi soup. Key scientific journals publishing on oil palms and related topics include: The social and environmental impacts of oil palm cultivation is a highly controversial topic. Oil palm is a valuable economic crop and provides a major source of employment. It
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