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A sample from the woman’s intestine showed traces of the bacterium Helicobacter pylori, which causes gastric diseases, and arracacha, an Andean root vegetable.

Ajiaco, a silky and satisfying soup with shredded chicken, the Colombian potato papa criolla and the root vegetable arracacha, is one of the traditional soups frequently available on weekends.

Arracacha, ar-a-kach′�, n. an umbelliferous plant with esculent roots, native to the northern parts of South America.

Yams, sweet potatoes, cassava and arracacha are chiefly cultivated for domestic needs, but in common with other fruits and vegetables they give occupation to the small agriculturalists near the larger towns.

The tropical productions of the lower plains include, among others, many of the leading products of the world, such as cac�o, cotton, sugar, rice, tobacco, and bananas, with others destined wholly for home consumption, as yams, cassava and arracacha.