alkaloids


Also found in: Dictionary, Thesaurus, Encyclopedia.

alkaloids

A group of bitter tasting plant poisons, many of which are of medical importance. The alkaloids, which include nicotine, strychnine, morphine, codeine, atropine, caffeine and quinine, have powerful actions on the body. Alkaloids are small, complex, nitrogen-containing molecules often produced by plants as an evolutionary survival characteristic in an environment containing herbivorous animals.

alkaloids

basic organic compounds containing nitrogen that are found in some families of plants (e.g. Papaveraceae). Alkaloids have poisonous and medicinal properties. Examples include nicotine, quinine, morphine and cocaine.
References in periodicals archive ?
As previous reports shows, Galanthus gracilis collected from Yilanlidag/Mugla is hosting plant for 20 alkaloids of 7 Amaryllidaceae skeleton types which are phenanthridine, homolycorine, galanthamine, crinine, indole, tazettine and lycorine types.
and their associated pyrrolizidine alkaloids is motivated by worldwide distribution and their continued expansion into new geographical ranges, causing serious problems for livestock production and potential risk of human poisoning.
The importance and use of plant species belonging to the genus Papaver has a very long history dating back some 3,000 years, when it was already administered in the form of opium (containing a complex of alkaloids) as a pain-relieving remedy.
Asima Chatterjee's work in the field of science opened the doors for millions of women to excel in the field and her research on vinca alkaloids which is now widely used in chemotherapy and helps to slow down the growth rate of cancer cells.
The consistent profiles of alkaloids obtained by capillary milking and gland dissection compared with those obtained by soaking ants without venom apparatuses suggest that venom could be distributed over the entire body of the ant, potentially for defense.
Potential Alkaloids Bitter (Andrographis paniculata L) of the total leukocyte and leukocyte count type on setelsh Mice infected with Salmonella typhimurium..Vet Met.
Implications: The Committee on Herbal Medicinal Products of the European Medicines Agency recommended in 2014 that pyrrolizidine alkaloid intake from herbal medicinal products be limited to 0.35 microgram/day, and several European countries are now transitioning towards the adoption of this limit.
Thus, the objective of this study was to explore the potential of GC and LC coupled to QTOF mass analyzer for the profiling of isoquinoline alkaloids in F.
Therefore, the aim of this current study is to evaluate effect of the detoxification herbal formula on transport of indole alkaloids in Caco-2 cells monolayer.
It amends maximum levels (MLs) for tropane alkaloids (TA) in certain cereal-based foods for infants and young children.
(2012) Antitussive, expectorant and anti-inflammatory activities of four alkaloids isolated from Bulbus of Fritillaria wabuensis.