Related Experiment Video
Updated: Aug 16, 2026
07:59
A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Diterpene glycosides from Egletes viscosa
Dongho Lee1, Chen Li, Tyler N Graf
1Natural Products Laboratory, Research Triangle Institute, Research Triangle Park, North Carolina 27709, USA.
Planta Medica
|September 6, 2005
Summary
Researchers identified two novel labdane glycosides from the Egletes viscosa plant. These compounds, along with known ones, were isolated and structurally characterized using advanced spectroscopic and chemical techniques.
Area of Science:
- Phytochemistry
- Natural Products Chemistry
- Ethnobotany
Background:
- Egletes viscosa, a plant from the Asteraceae family, is traditionally used in Peru.
- The chemical constituents of Egletes viscosa are not fully understood.
- Labdane glycosides are a class of natural products with diverse biological activities.
Purpose of the Study:
- To conduct a phytochemical investigation of Egletes viscosa.
- To isolate and characterize new compounds from the plant.
- To contribute to the understanding of labdane glycosides.
Main Methods:
- Extraction of the CHCl(3)-soluble fraction of the entire Egletes viscosa plant.
- Isolation of compounds using chromatographic techniques.
- Structure elucidation of new compounds via spectroscopic (NMR, MS) and chemical methods.
Main Results:
- Two new labdane glycosides were identified: 13-hydroxy-7-oxolabda-8,14-diene 13(R)-O-alpha-L-arabinopyranoside and 13-hydroxylabda-7,14-diene 13(R)-O-alpha-L-arabinopyranoside.
- Four known compounds were also isolated.
- The structures of the novel compounds were confirmed through comprehensive analysis.
Conclusions:
- The phytochemical study of Egletes viscosa yielded two new labdane glycosides.
- This research expands the knowledge of Egletes viscosa's chemical profile.
- The findings provide a basis for further investigation into the biological properties of these compounds.
