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tonka bean

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

tonka bean , black-skinned, aromatic, almondlike single seed from the pod of any tall leguminous tree of the genus Dipteryx in the family Leguminosae ( pulse family) of tropical South America. It contains coumarin, a fermented substance that has a vanillalike aroma and is used as a vanilla substitute and in the manufacture of perfumes, sachets, soaps, tobacco, and food. Natural coumarin has been almost completely replaced by a synthetic product. The name of the bean also appears as tonqua bean and tonquin bean. Plants producing tonka beans are classified in the division Magnoliophyta , class Magnoliopsida, order Rosales, family Leguminosae.

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"tonka bean." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"tonka bean." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1E1-tonkabea.html

"tonka bean." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-tonkabea.html

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tonka bean

A Dictionary of Food and Nutrition | 2005 | | Copyright

tonka bean Seed of the South American tree Dipteryx odorata with a sweet, pungent smell, used like vanilla for flavouring.

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DAVID A. BENDER. "tonka bean." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

DAVID A. BENDER. "tonka bean." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O39-tonkabean.html

DAVID A. BENDER. "tonka bean." A Dictionary of Food and Nutrition. 2005. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-tonkabean.html

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tonka

The Concise Oxford Dictionary of English Etymology | 1996 | | Copyright

tonka t. bean, seed of S. Amer. tree of the genus Dipteryx. XVIII. — local name in Guyana.

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T. F. HOAD. "tonka." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "tonka." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O27-tonka.html

T. F. HOAD. "tonka." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-tonka.html

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