Brazilian Indians in Bahia scraping manioc, or cassava, roots. Three men and one woman sit around a large pile of manioc roots, scraping off the skin with knives. The men in the foreground are both wearing hats. Manioc is a staple of many native peoples in Brazil, but it requires a great deal of preparation before it is suitable to eat. Manioc contains a toxin known as hydrocyanic acid, which can only be removed by an extensive cooking process, (1933).
New York State Archives. New York (State). Education Dept. Division of Visual Instruction. Instructional lantern slides, ca. 1856-1939. A3045-78, B15653.
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