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Updated: Jan 10, 2026
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Published on: March 1, 2024
Interactions between flavonoids and hemoglobin in lecithin liposomes
1School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China.
Flavonoids like quercetin and rutin bind to hemoglobin (Hb), altering its structure. Liposomes affect this interaction, with structural differences in flavonoids influencing their binding affinity to Hb.
Area of Science:
- Biochemistry
- Biophysics
- Pharmacology
Background:
- Hemoglobin (Hb) is a crucial protein for oxygen transport.
- Flavonoids are plant-derived compounds with potential biological activities.
- Understanding flavonoid-protein interactions is key to their therapeutic applications.
Purpose of the Study:
- To investigate the binding of quercetin and rutin to hemoglobin.
- To determine the binding parameters and mode of interaction.
- To explore the influence of liposomes on these interactions.
Main Methods:
- Fluorescence spectroscopy
- Absorption spectroscopy
- Circular dichroism (CD) spectroscopy
Main Results:
- Flavonoid binding induces conformational changes in hemoglobin.
- Lecithin liposomes modulate the binding affinity of flavonoids to Hb.
- Structural differences between quercetin and rutin significantly impact their binding to Hb.
Conclusions:
- Flavonoids interact with hemoglobin, causing structural alterations.
- Liposomal encapsulation modifies flavonoid-Hb interactions.
- Flavonoid structure dictates binding affinity, suggesting potential for targeted drug design.
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