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Alkaloids a.k.a. Alkaloid: Alkaloids are a group of naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar structure are also termed alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus.
- also known as 生物鹼
Printed dictionaries and other books with definitions for Alkaloids
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Foodborne Diseases (2002)
by Dean O. Cliver, Hans Riemann
are the alkaloids, although there are many alkaloids and they vary widely in toxicity. Alkaloids is a term used collectively to describe a large and diverse group of chemicals that have alkali-like properties and at least one nitrogen atom in a ...
Phytochemical Dictionary (1998)
A Handbook of Bioactive Compounds from Plants, Second Edition by Herbert Baxter, J.B. Harborne, Gerald P. Moss
Plant alkaloids which have a nitrogen atom either in a 5- membered ring ( pyrrolidines) or in a 6-membered ring (piperidines) are included in this section. Those with a nitrogen atom shared between a 5- and a 6-membered ring ( indolizidines) ...
by Jack Cazes
INTRODUCTION Alkaloids are an important class of compounds that have pharmacological effects on various tissues and organs of humans and other animal species. More than 16,000 are known and most are derived from higher plants.
by Robert Alan Lewis
plants produce alkaloids, especially those of the families Solanaceae, Fabaceae, and Papaveraceae. Monocots rarely produce alkaloids, although many groups of lower plants (but not algae) contain species ...
by Sir Thomas Edward Thorpe
prepared by adding potassium iodide to mercuric chloride until the mercuric iodide at first precipitated , is re-dissolved, is the best general reagent for detecting alkaloids, and may afford ...
Pocket Medical Dictionary (1999)
by B. Jain Publishers Staff
Mercuric chloride, alkaloids. Aromatic Tincture. 30 mg 2.000 Arsenic bromide ...
by Chris Brooker
Important alkaloids obtained from the poppy include codeine, morphine and papaverine.
by Diagram Group
Rauwolfia alkaloids Drugs used as antihypertensives. They were also once used as antipsychotic drugs. respiratory stimulants Used to promote breathing in severely traumatized patients. scabicides Used to treat infestations by itchmites.
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Scrabble value of A1L1K5A1L1O1I1D2S1
The value of this 9-letter word is 14 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.
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