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Aroma glycosides from Hovenia dulsis
K Yoshikawa1, M Nagai, M Wakabayashi
1Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Japan.
Phytochemistry
|November 1, 1993
Summary
Two novel aroma glycosides, kenposide A and B, were identified from Hovenia dulsis var. tomentella leaves. Their chemical structures were elucidated using spectral analysis, alongside the known icariside C1.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
- Organic Chemistry
Background:
- Hovenia dulsis var. tomentella is a plant species with potential bioactive compounds.
- Aroma glycosides are a class of natural products known for their sensory properties.
- Previous research has explored the chemical constituents of Hovenia species.
Purpose of the Study:
- To isolate and characterize new aroma glycosides from Hovenia dulsis var. tomentella.
- To determine the chemical structures of the isolated compounds.
- To contribute to the understanding of the phytochemical profile of Hovenia dulsis var. tomentella.
Main Methods:
- Extraction of secondary metabolites from fresh Hovenia dulsis var. tomentella leaves.
- Chromatographic techniques for isolation of glycosides.
- Spectroscopic methods (e.g., NMR, Mass Spectrometry) for structural elucidation.
- Chemical derivatization and analysis.
Main Results:
- Isolation of two new aroma glycosides, designated kenposide A and kenposide B.
- Identification of the known glycoside, icariside C1.
- Complete structural determination of kenposide A and B based on comprehensive spectral data and chemical evidence.
Conclusions:
- The phytochemical investigation of Hovenia dulsis var. tomentella yielded two novel aroma glycosides.
- The structures of kenposide A and B were successfully elucidated.
- This study expands the knowledge of glycosidic compounds in the Hovenia genus.