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Updated: May 21, 2026

OLIgo Mass Profiling (OLIMP) of Extracellular Polysaccharides
Published on: June 20, 2010
A new oligosaccharide from Periploca calophylla
Xiuhong Long1, Ran Xu, Yuanhu Zhang
1College of Life Science, Guizhou University, Guiyang 550025, China.
Researchers identified two oligosaccharides from Periploca calophylla. One is a new compound, and the other, perisaccharide B, is reported for the first time in this plant.
Area of Science:
- Natural Product Chemistry
- Phytochemistry
- Organic Chemistry
Background:
- Periploca calophylla is a plant species with potential medicinal properties.
- Understanding its chemical composition is crucial for exploring its pharmacological activities.
Purpose of the Study:
- To isolate and characterize the chemical constituents of Periploca calophylla.
- To identify novel compounds and report previously unknown constituents from this plant.
Main Methods:
- Extraction of chemical constituents from the chloroform fraction of Periploca calophylla.
- Isolation of compounds using various chromatographic techniques.
- Structure elucidation through comprehensive spectral and chemical analyses.
Main Results:
- Two oligosaccharides were successfully isolated from the chloroform extract.
- Compound 1, identified as 4-O-acetyl-beta-cymaropyranosyl (1-->4)-O-beta-D-cymaropyranosyl(1-->4)-O-beta-D-canaropyranosyl (1-->4)-O-beta-D-cymaropyranosy(1-->4)-O-oleandronic acid-delta-lactone, was determined to be a new chemical entity.
- Compound 2, designated as perisaccharide B, was identified and reported for the first time in this plant.
Conclusions:
- The study successfully identified two oligosaccharides from Periploca calophylla.
- Compound 1 represents a novel chemical structure.
- Perisaccharide B is a significant finding, being reported for the first time from this plant species.
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