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Alkaloid   Listen
noun
Alkaloid  n.  (Chem.) An organic base, especially one of a class of nitrogen-containing substances occurring ready formed in the tissues of plants and the bodies of animals. Note: Alkaloids all contain nitrogen, carbon, and hydrogen, and many of them also contain oxygen. They include many of the active principles in plants; thus, morphine and narcotine are alkaloids found in opium.






Collaborative International Dictionary of English 0.48








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"Alkaloid" Quotes from Famous Books



... in length and 4 inches in breadth. The leaves are much more delicate in texture than those of Chinese plants, which hardly reach 4 inches in length, and the former contain a larger percentage of the invaluable alkaloid, Theine. Dr. Chas. U. Sheppard, in a historical sketch of Tea Culture in South Carolina, tells us that a tea tree which was planted planted by Michaux, about 15 miles from Charleston, and about the year ...
— Tea Leaves • Francis Leggett & Co.

... total alkaloids; and a compound tincture which must possess one-half the alkaloidal strength of the last. The only purpose for which these preparations of cinchona bark should be used is as tonics; and even when this is the desired action there are many reasons why the alkaloid should be preferred, even though the recent introduction of standardization removes one of the ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various



Words linked to "Alkaloid" :   atropine, strychnine, tubocurarine, rauwolfia, cinchonine, ergotamine, pilocarpine, curare, pseudoephedrine, alkaloidal, ephedrine, organic compound



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