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Updated: Jul 5, 2025
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Preparation of Gynura bicolor DC samples for High-Resolution Tandem Mass Spectrometry
Published on: February 2, 2024
586
[Chemical constituents from Salacia polysperma]
Xin-Yu Yan1, Die Xiao1, Qi Niu1
1Key Laboratory of Modern Research on Ethnic Medicine in Yunnan Provincial Universities, Ethnomedicine School,Yunnan University of Chinese Medicine Kunming 650500, China.
Summary
This study isolated nine compounds from Salacia polysperma, including a new triterpene lactone. Compound 8 showed moderate alpha-glucosidase inhibitory activity, suggesting potential therapeutic applications.
Area of Science:
- Phytochemistry
- Natural Products Chemistry
- Pharmacology
Context:
- Salacia polysperma is a plant species with a history of traditional medicinal use.
- Investigating the chemical constituents of medicinal plants is crucial for discovering new therapeutic agents.
- Alpha-glucosidase inhibitors are important for managing type 2 diabetes.
Purpose:
- To isolate and identify chemical compounds from Salacia polysperma.
- To evaluate the alpha-glucosidase inhibitory activity of the isolated compounds.
- To discover novel bioactive molecules from natural sources.
Summary:
- Nine compounds were isolated from Salacia polysperma using chromatographic techniques and spectroscopic analysis.
- A new oleanane-type triterpene lactone (compound 1) was identified, along with eight known compounds.
- Compounds 1, 3, 4, 7-9 were reported from the Salacia genus for the first time.
- Compound 8 demonstrated moderate alpha-glucosidase inhibitory activity (IC50 = 37.2 μmol·L−1), while others were inactive.
Impact:
- Identifies a new triterpene lactone and several compounds new to the Salacia genus.
- Highlights compound 8 as a potential lead for developing new alpha-glucosidase inhibitors.
- Contributes to the phytochemical knowledge of Salacia polysperma and its potential pharmacological applications.
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