Related Experiment Video
Updated: Jul 15, 2026
09:36
Applications of Liquid-Chromatography Tandem Mass Spectrometry in Natural Products Research: Tropane Alkaloids as a Case Study
Published on: March 8, 2024
Alkaloids from Corydalis marschalliana.
H G Kiryakov1, E Iskrenova, B Kuzmanov
1Department of Chemistry, High Medical Institute, Plovdiv, Bulgaria.
Planta Medica
|March 1, 1981
Summary
This study identified known and novel alkaloids in Corydalis marschalliana. Researchers discovered dehydronantenine, nantenine, and oxonantenine for the first time in this plant species.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
- Pharmacognosy
Background:
- Corydalis marschalliana (Papaveraceae) is a plant species with a rich history of traditional medicinal use.
- The alkaloid profile of C. marschalliana is complex and requires further elucidation for potential pharmaceutical applications.
Purpose of the Study:
- To comprehensively analyze the alkaloid composition of Corydalis marschalliana growing in Bulgaria.
- To identify and characterize known and potentially novel alkaloid compounds within the plant extract.
Main Methods:
- Extraction and isolation of alkaloid mixtures from Corydalis marschalliana.
- Spectroscopic techniques (e.g., NMR, Mass Spectrometry) were employed for structural elucidation.
- Comparison with known alkaloid standards for identification.
Main Results:
- Seven known alkaloids were identified: (+/-)-stylopine, (+/-)-sinactine, protopine, (+)-bulbocapnine, (-)-domesticine, (+)-corydine, and (+)-isoboldine.
- Three alkaloids—dehydronantenine, (+)-nantenine, and oxonantenine—were isolated and characterized for the first time from this plant species.
- Three unidentified alkaloids (Cm-4, Cm-11, and Cm-12) were detected in minor quantities.
Conclusions:
- The alkaloid profile of Corydalis marschalliana is diverse, containing both established and previously unreported compounds.
- The identification of dehydronantenine, nantenine, and oxonantenine expands the known chemotaxonomy of this species.
- Further research into the biological activities of these isolated alkaloids is warranted.
Related Concept Videos
01:23Red Algae
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
01:19Other Algae
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
01:21Green Algae
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
01:30Bacterial Phylum Actinobacteria
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
01:28Fungal Phylum Ascomycota
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...