Journal of Applied Spectroscopy

, Volume 82, Issue 5, pp 845–848 | Cite as

Intrinsic Fluorescence as a Spectral Probe for Protein Denaturation Studies in the Presence of Honey

  • Y. H. Wong
  • H. A. Kadir
  • S. Tayyab

Honey was found to quench the intrinsic fluorescence of bovine serum albumin (BSA) in a concentration dependent manner, showing complete quenching in the presence of 5% (w/v) honey. Increasing the protein concentration up to 5.0 μM did not lead to the recovery of the protein fluorescence. Urea denaturation of BSA, which otherwise shows a two-step, three-state transition, using intrinsic fluorescence of the protein as the probe failed to produce any result in the presence of 5% (w/v) honey. Thus, intrinsic fluorescence cannot be used as a spectral probe for protein denaturation studies in the presence of honey.


bovine serum albumin fluorescence spectroscopy fluorimetric interference honey protein denaturation 


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Institute of Biological SciencesUniversity of MalayaKuala LumpurMalaysia

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