• Chemistry
  • A huge diversity of indole alkaloids are frequently found in marine invertebrates and they have been considered lead compounds for the discovery of new drugs in medicinal chemistry [ 9 , 12 ]. (pubmedcentralcanada.ca)
  • A significant contribution to the chemistry of alkaloids in the early years of its development was made by the French researchers Pierre Joseph Pelletier and Joseph Bienaimé Caventou, who discovered quinine (1820) and strychnine (1818). (wikipedia.org)
  • The development of the chemistry of alkaloids was accelerated by the emergence of spectroscopic and chromatographic methods in the 20th century, so that by 2008 more than 12,000 alkaloids had been identified. (wikipedia.org)
  • Skimmianine, another common furoquinoline alkaloid also shows a very similar type of chemistry to dictamine. (wikipedia.org)
  • NMR spectral assignments of a new chlorotryptamine alkaloid and its analogues from Acacia confusa Malcolm S. Buchanan, Anthony R. Carroll, David Pass, Ronald J. Quinn Magnetic Resonance in Chemistry Volume 45, Issue 4 , Pages359 - 361. (wikipedia.org)
  • Psilocin
  • Other alkaloids possess psychotropic (e.g. psilocin) and stimulant activities (e.g. cocaine, caffeine, nicotine, theobromine), and have been used in entheogenic rituals or as recreational drugs. (wikipedia.org)
  • Aztecs used the psilocybin mushrooms which contain alkaloids psilocybin and psilocin. (wikipedia.org)
  • cocaine
  • Benzoylecgonine Cocaine Ecgonidine Ecgonine Hydroxytropacocaine Methylecgonine cinnamate Tropacocaine Truxilline Cuscohygrine Dihydrocuscohygrine Hygrine Nicotine Cocaine metabolites (Human) Coca wine, an alcoholic beverage combining wine with extracted coca alkaloids Variation of Alkaloid Content in Erythroxylum coca Leaves from Leaf Bud to Leaf Drop. (wikipedia.org)
  • plants
  • Alkaloids often have pronounced bioactivities and are therefore thought to play an important role in the interaction of plants with their environment. (els.net)
  • Alkaloid‐producing tissue cultures provide an alternative for exploiting slow growing or protected plants. (els.net)
  • Alkaloids from nonflowering plants. (els.net)
  • the opium alkaloids are sometimes called "phenanthrenes," for example), or by the plants or animals they were isolated from. (newworldencyclopedia.org)
  • Alkaloids are the active components of numerous medicinal plants or plant-derived drugs and poisons, and their structural diversity and different physiological activities are unmatched by any other group of natural products. (encyclopedia.com)
  • In potato plants, the edible tubers are devoid of alkaloids, whereas the green parts contain the poisonous solanine. (encyclopedia.com)
  • Alkaloids are produced by a large variety of organisms including bacteria, fungi, plants, and animals. (wikipedia.org)
  • Alkaloid-containing plants have been used by humans since ancient times for therapeutic and recreational purposes. (wikipedia.org)
  • Furoquinoline alkaloids extracted from Teclea afzelii (Rutaceae) plants, collected at Elounden, centre province of Cameroon, have antiplasmodial activities. (wikipedia.org)
  • The first indole alkaloid, strychnine, was isolated by Pierre Joseph Pelletier and Joseph Bienaimé Caventou in 1818 from the plants of the Strychnos genus. (wikipedia.org)
  • Although their assignment to the alkaloid is not universally accepted, they are both found in plants and animals. (wikipedia.org)
  • These alkaloids are of interest for their use in Amazonian shamanism, where they are derived from other plants. (wikipedia.org)
  • Harmala alkaloids are also found in many other plants, such as passion flower. (wikipedia.org)
  • The phenethylamine alkaloids of native range plants. (wikipedia.org)
  • strychnine
  • For example, atropine is isolated from the plant Atropa belladonna, strychnine is obtained from the seed of Strychnine tree (Strychnos nux-vomica L.). If several alkaloids are extracted from one plant then their names often contain suffixes "idine", "anine", "aline", "inine" etc. (wikipedia.org)
  • Harmala
  • Several alkaloids that function as monoamine oxidase inhibitors (MAOIs) are found in the seeds of Peganum harmala (also known as Harmal or Syrian Rue), as well as tobacco leaves including harmine, harmaline, and harmalol, which are members of a group of substances with a similar chemical structure collectively known as harmala alkaloids. (wikipedia.org)
  • The harmala alkaloid harmine, once known as telepathine and banisterine, is a naturally occurring beta-carboline alkaloid that is structurally related to harmaline, and also found in the vine Banisteriopsis caapi. (wikipedia.org)
  • The harmala alkaloids occur in Peganum harmala in concentrations of roughly 3%, though tests have documented anywhere from 2-7% or even higher, as natural sources tend to vary widely in chemical makeup. (wikipedia.org)
  • Harmala alkaloids are also found in the Banisteriopsis caapi vine, the key plant ingredient in the sacramental beverage Ayahuasca, in concentrations that range between 0.31-8.43% for harmine, 0.03-0.83% for harmaline and 0.05-2.94% for tetrahydroharmine. (wikipedia.org)
  • The harmala alkaloids are not especially psychedelic, even at higher dosages, when hypnagogic visions, alongside vomiting and diarrhea, become the main effect. (wikipedia.org)
  • Harmala alkaloids from Banisteriopsis caapi have been used to treat Parkinson's disease[citation needed]. (wikipedia.org)
  • As a benzodiazepine site inverse agonist, harmala alkaloids are used as a model for Essential Tremor (ET) when injected to animals. (wikipedia.org)
  • Individuals diagnosed with Essential Tremor have been found to have elevated blood levels of harmala alkaloids. (wikipedia.org)
  • Both MAO-A and MAO-B break down tyramine, but large doses of harmala alkaloids begin to affect MAO-B as well. (wikipedia.org)
  • Harmala alkaloids are considered Schedule 9 prohibited substances under the Poisons Standard (October 2015). (wikipedia.org)
  • or (b) in divided preparations containing 2 mg or less of harmala alkaloids per recommended daily dose. (wikipedia.org)
  • possess
  • Many alkaloids possess pronounced biological activities, which are often associated with their amine function. (els.net)
  • salts
  • Alkaloids have the ability to form salts with mineral acids (such as with HCl, H 2 SO 4 , HNO 3 ) or organic acids (such as with tartaric acid and sulfamic acid). (newworldencyclopedia.org)
  • acetic acids Salts with inorganic acids e.Forms of Alkaloids: Free bases Salts with Organic acids e. (scribd.com)
  • chemical
  • On the basis of spectral characteristics and chemical transformations, a new alkaloid with the composition C 15 H 22 O 2 N 2 isolated from Sophora alopecuroides has been assigned the most probable structure of 13,14-dehydrosophoridine N-oxide. (springer.com)
  • Chemical structure of ephedrine, a phenethylamine alkaloid. (newworldencyclopedia.org)
  • Alkaloid AD Skopje (Macedonian: Алкалоид АД Скопје) is a company which eight decades, has been operating in the field of manufacturing drugs, cosmetic and chemical products and processing botanical raw materials. (wikipedia.org)
  • A loline alkaloid is a member of the 1-aminopyrrolizidines (often referred to as lolines), which are bioactive natural products with several distinct biological and chemical features. (wikipedia.org)
  • 1982
  • Anderson LA, Keene AT and Phillipson JD (1982) Alkaloid production by leaf organ, root organ and cell suspension cultures of Cinchona ledgeriana. (els.net)