By-products derived from the harvested peanut and peanut oil extractions are generally known as ¡°peanut by-products¡±. The different by-products considered in this review are defined as follows. Most peanuts grown in world are primarily used to produce edible oil.
Which method is used to extract peanut oil?
The conventional extraction methods include the press method, leaching process, and alkali-soluble acid precipitation method [ 27 ]. The press method is to extract part of the oil in peanuts, to achieve the effect of making peanut meal at the same time, which can be divided into hot pressing method and cold pressing method.
Is peanut processing a viable alternative to landfilling?
Peanut is one of the most important oil and protein producing crops in the world. Yet the amounts of peanut processing by-products containing proteins, fiber and polyphenolics are staggering. With the environmental awareness and scarcity of space for landfilling, wastes/by-product utilization has become an attractive alternative to disposal.
What are peanuts used for?
Most peanuts grown in world are primarily used to produce edible oil. The average production of crush peanut around the world is about 14.09 million metric tons from 2000 to 2010 (FAS-USDA 2011). Peanut meals are well separated from peanut kernel after oil extraction. This separation results in another by-product, peanut pulp.
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