Related Experiment Video
Updated: Jul 18, 2026

Synthesis and Assay of Vibrio Quorum Sensing Inhibitors
Published on: May 31, 2024
Novel urease inhibitors from Daphne oleoids
Muhammad Ayaz1, Muhammad Arif Lodhi, Muhammad Riaz
1HEJ Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi 75270, Pakistan.
Researchers isolated six coumarin glycosides from Daphne oleoids roots. Compound 5 showed significant activity against Bacillus pasteurii and jack bean urease enzymes, indicating potential therapeutic applications.
Area of Science:
- Natural Product Chemistry
- Medicinal Chemistry
- Enzymology
Background:
- The Daphne genus is known for its diverse phytochemical constituents.
- Coumarin glycosides are a class of compounds with various biological activities.
- Urease enzymes are implicated in several pathological conditions.
Purpose of the Study:
- To isolate and characterize phytochemicals from Daphne oleoids roots.
- To evaluate the inhibitory potential of isolated compounds against Bacillus pasteurii and jack bean urease.
Main Methods:
- Phytochemical investigation of chloroform and ethyl acetate soluble fractions.
- Isolation and structural elucidation of coumarin glycosides.
- Enzyme inhibition assays using Bacillus pasteurii and jack bean urease.
Main Results:
- Six coumarin glycosides (1-6) were successfully isolated.
- Compound 5 exhibited inhibitory activity with IC50 values of 22.05 µM against Bacillus pasteurii and 26.30 µM against jack bean urease.
- Activity was observed in a concentration-dependent manner.
Conclusions:
- Daphne oleoids roots are a source of bioactive coumarin glycosides.
- Compound 5 demonstrates promising urease inhibitory properties.
- Further research into Compound 5 could lead to novel therapeutic agents.
More Related Videos
Related Concept Videos
Inhibitors of Bacterial DNA Synthesis
Microbiota of the Urogenital Tract
Inhibitors of Bacterial Protein Synthesis
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Inhibitors of Gram-positive Cell Wall Synthesis

