cassava(redirected from bitter cassavas)
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manioc(măn`ēŏk), name for many species of the genus Manihot of the family Euphorbiaceae (spurgespurge
, common name for members of the Euphorbiaceae, a family of herbs, shrubs, and trees of greatly varied structure and almost cosmopolitan distribution, although most species are tropical. In the United States the family is most common in the Southeast.
..... Click the link for more information. family). The roots, which resemble sweet potatoes and are eaten in much the same way, yield cassava starch, a staple food in the tropics. The cassava is native to Amazonia and has long been cultivated there by the indigenous population. It is now a major food source in many parts of the moist lowland tropics, particularly in Africa. Most cassava flour is made from M. esculenta, sometimes called bitter cassava because of the presence in the raw roots of prussic acid in sufficient quantities to be deadly. This poison is dispelled by long cooking or (for flour) pressing. Some cultivated varieties with a lesser acid content, called sweet cassava, are edible raw as well as boiled and can be used for fodder. It is important to process cassava as quickly as possible after harvesting; enzymes in the root will cause deterioration of the final product if processing is not completed within 48 hours. Cassava roots are also fermented to make an alcoholic beverage, are the source of tapiocatapioca
, widely used starchy food, obtained from the fleshy root of the bitter cassava. Tapioca is sold in flake or flour form and as the pellet pearl tapioca. Tapioca flour is widely used in place of wheat flour in regions where it is grown, e.g.
..... Click the link for more information. , or Brazilian arrowroot, and are utilized in other ways, e.g., for cotton sizing and laundry starch. Cassava is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
..... Click the link for more information. , class Magnoliopsida, order Euphorbiales, family Euphorbiaceae.
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Manihot esculenta. A shrubby perennial plant grown for its starchy, edible tuberous roots. Also known as manihot; manioc.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
any tropical euphorbiaceous plant of the genus Manihot, esp the widely cultivated American species M. esculenta (or utilissima) (bitter cassava) and M. dulcis (sweet cassava)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005