Results 31 to 40 of about 429,874 (275)

Rigorous Biogenetic Network for a Group of Indole Alkaloids Derived from Strictosidine

open access: yesMolecules, 2008
: Strictosidine, the precursor of more than 2,500 indole alkaloids, was isolated from four species of three plant families. By searching the Dictionary of Natural Products on DVD it was found that about 150 indole alkaloids were obtained from the same ...
László F. Szabó
doaj   +1 more source

Determination of content of indole alkaloids in cell biomass of Rauwolfia serpentina Benth. ex Kurz tissue culture

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2021
Cardiovascular diseases are the most common human diseases, hence, the production of cardiological (in particular, anti-arrhythmic) medications from the natural sources is an ever-actual task. Rauwolfia serpentina Benth.
O. A. Bieda   +5 more
doaj   +1 more source

Kratom (Mitragyna speciosa) validation: quantitative analysis of indole and oxindole alkaloids reveals chemotypes of plants and products

open access: yesPlanta Medica, 2021
Many consumers are turning to kratom ( Mitragyna speciosa ) to self-manage pain and opioid addiction. In the United States, an array of capsules, powders, and loose-leaf kratom products are readily available.
P. Manwill   +6 more
semanticscholar   +1 more source

Strictosidine, the common precursor for monoterpenoid indole alkaloids with 3 α and 3 β configuration [PDF]

open access: yes, 1978
Recently we reported that strictosidine (l> is the key intermediate in the formation of the three classes (ASDidOf3DeIm5, Iboga, Corynanthe) of monoterpenoid indole alkaloids In Catharanthus roseus and a variety of other plant species in cell culture ...
Martina Rueffer   +5 more
core   +1 more source

Analgesic monoterpene indole alkaloids from Gelsemium elegans stems

open access: yesJournal of Holistic Integrative Pharmacy, 2022
Objective: The aim of this study is to search for potent analgesics from the stems of Gelsemium elegans. Methods: Alkaloids were isolated from the samples of G.
Pengfei JIN   +7 more
doaj   +1 more source

Alcalóides indólicos isolados de espécies do gênero Aspidosperma (Apocynaceae) Indole alkaloids from species of the Aspidosperma (Apocynaceae) genus

open access: yesQuímica Nova, 2007
Species from genus Aspidosperma (Apocynaceae) are popularly employed to treat various diseases. This genus is characterized by the occurrence of indole alkaloids.
Maria de M. Pereira   +4 more
doaj   +1 more source

Synthesis of indole derivatives as prevalent moieties present in selected alkaloids

open access: yesRSC Advances, 2021
Indoles are a significant heterocyclic system in natural products and drugs. They are important types of molecules and natural products and play a main role in cell biology.
M. Heravi   +3 more
semanticscholar   +1 more source

Acute and Chronic Toxicity of Indole Alkaloids from Leaves of Alstonia scholaris (L.) R. Br. in Mice and Rats

open access: yesNatural Products and Bioprospecting, 2020
Alstonia scholaris (L.) R. Br. (Apocynaceae) is an evergreen tree that has been used to treat lung diseases. In this study, the toxicity profile of indole alkaloids from leaves of A. scholaris was investigated.
Yun-Li Zhao   +10 more
semanticscholar   +1 more source

Antiplasmodial Bis-Indole Alkaloids from the Bark of Flindersia pimenteliana

open access: yes, 2020
Three new (1-3) and 2 known (4-5) bis-indole alkaloids were identified from the bark of Flindersia pimenteliana (Rutaceae). The structures of 1-3 were elucidated on the basis of their (+)-HRESESIMS and 2D NMR spectroscopic data.
Lucantoni, Leonardo   +3 more
core   +1 more source

Alkaloids of Marine Macroalgae [PDF]

open access: yes, 2013
Marine alkaloids have their origins from marine organisms including marine macroalgae. On the other hand, some marine algal alkaloids such as phenylethylamine derivatives were previously isolated from terrestrial plants.
Burak Coban   +10 more
core   +1 more source

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