DOI QR코드

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Excited State Dynamics of Curcumin and Solvent Hydrogen Bonding

  • Yang, Il-Seung (Department of Chemistry, Seoul National University) ;
  • Jin, Seung-Min (NanoBio Fusion Research Center, Korea Research Institute of Chemical Technology) ;
  • Kang, Jun-Hee (WCU Department of Biophysics and Chemical Biology, Seoul National University) ;
  • Ramanathan, Venkatnarayan (Department of Chemistry, Seoul National University) ;
  • Kim, Hyung-Min (NanoBio Fusion Research Center, Korea Research Institute of Chemical Technology) ;
  • Suh, Yung-Doug (NanoBio Fusion Research Center, Korea Research Institute of Chemical Technology) ;
  • Kim, Seong-Keun (Department of Chemistry, Seoul National University)
  • 투고 : 2011.03.29
  • 심사 : 2011.07.08
  • 발행 : 2011.08.20

초록

Curcumin is a natural product with antioxidant, anti-inflammatory, antiviral and antifungal functions. As it is known that the excited state intramolecular hydrogen transfer of curcumin are related to its medicinal antioxidant mechanism, we investigated its excited state dynamics by using femtosecond transient absorption spectroscopy in an effort to understand the molecule's therapeutic effect in terms of its photophysics and photochemistry. We found that stronger intermolecular hydrogen bonding with solvents weakens the intramolecular hydrogen bonding and decelerates the dynamical process of the enolic hydrogen. Exceptions are found in methanol and ethylene glycol due to their nature as simultaneous hydrogen bonding donor-acceptor and high viscosity solvent, respectively.

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피인용 문헌

  1. Time-Resolved Fluorescence vol.89, pp.5, 2013, https://doi.org/10.1111/php.12129
  2. Use of Time-Resolved Fluorescence to Monitor Bioactive Compounds in Plant Based Foodstuffs vol.5, pp.3, 2015, https://doi.org/10.3390/bios5030367
  3. The Effect of Solvent on Tautomerism, Acidity and Radical Stability of Curcumin and Its Derivatives Based on Thermodynamic Quantities vol.45, pp.7, 2016, https://doi.org/10.1007/s10953-016-0481-y