Cultivated peanuts (A. hypogaea) arose from a hybrid between two wild species of peanut, thought to be A. duranensis and A. ipaensis. The initial hybrid would have been sterile, but spontaneous chromosome doubling restored its fertility, forming what is termed an amphidiploid or allotetraploid.
How is peanut oil extracted?
Peanut oil is recovered primarily by expeller pressing or in combination with hexane extraction. Only four plants process peanut oil in the United States. Peanut oil is processed by conventional caustic refining, adsorbent bleaching, and deodorization. The food uses of peanut oil and protein are reviewed in this article.
How much does peanut oil cost?
In 2018, peanut oil sold for US$1470/MT in the United States and for US$1326 in Rotterdam. Peanut oil is recovered primarily by expeller pressing or in combination with hexane extraction. Only four plants process peanut oil in the United States. Peanut oil is processed by conventional caustic refining, adsorbent bleaching, and deodorization.
Where do Peanuts grow in Africa?
Peanuts grow well in southern Mali and adjacent regions of the Ivory Coast, Burkina Faso, Ghana, Nigeria, and Senegal; peanuts are similar in both agricultural and culinary qualities to the Bambara groundnut native to the region, and West Africans have adopted the crop as a staple.