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Meaning of BERBERINE

Webster's 1913 Dictionary
 
 Definition: 
\Ber"ber*ine\, n. (Chem.)
An alkaloid obtained, as a bitter, yellow substance, from the
root of the barberry, gold thread, and other plants.
 
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Biology Dictionary
 
 Definition: A toxic organic substance with the chemical formula C20H19NO5 which is found in the roots of certain plants such as barberry and golden seal. It kills amoebas (is an amebicide) and is used to treat cholera. It cannot be dissolved in water, but is soluble in alcohol and ether. It has a melting point of 145 degrees Celsius when dry. As a solid, it is a white to yellow crystalline alkaloid.
 
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