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Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade
Published on: August 14, 2019
Gastroprotective flavonoid constituents from Oroxylum indicum Vent
T Hari Babu1, K Manjulatha, G Suresh Kumar
1Natural Products Laboratory, Organic Division-I, Indian Institute of Chemical Technology, Hyderabad 500 607, India.
Bioorganic & Medicinal Chemistry Letters
|December 2, 2009
Summary
Researchers identified two novel flavonoid glycosides from Oroxylum indicum bark. These compounds, along with seven known ones, were evaluated for their potential to protect against gastric ulcers in rat models.
Area of Science:
- Phytochemistry
- Pharmacology
- Natural Products Chemistry
Background:
- Oroxylum indicum (Indian trumpet tree) is a medicinal plant with a history of traditional use.
- Flavonoids are a class of plant secondary metabolites known for diverse biological activities.
- Gastric ulcers are a significant health concern, necessitating the search for effective treatments.
Purpose of the Study:
- To isolate and characterize chemical constituents from the stem bark of Oroxylum indicum.
- To evaluate the isolated compounds for their potential ulcer protective effects.
- To discover new bioactive compounds with gastroprotective properties.
Main Methods:
- Phytochemical investigation involving extraction and chromatographic separation techniques.
- Structural elucidation using comprehensive spectroscopic methods (IR, MS, 1D and 2D NMR).
- In vivo assessment of ulcer protective activity using established rat models of gastric ulceritis.
Main Results:
- Isolation and characterization of two new flavonoid glycosides (compounds 1 and 2).
- Identification of seven known compounds (compounds 3-9) from the plant extract.
- Preliminary evaluation of all nine compounds for their efficacy in preventing gastric ulcers.
Conclusions:
- The stem bark of Oroxylum indicum is a source of novel flavonoid glycosides.
- The isolated compounds warrant further investigation for their therapeutic potential in treating gastric ulcers.
- This study contributes to the understanding of Oroxylum indicum's phytochemical profile and pharmacological activities.
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