Abstract
When excited by ultraviolet radiation, leaves of a great number of species of higher plants exhibit emission of blue fluorescence, comparable in intensity to the red emission of chlorophyll. The fluorescence decay of the blue emission of spinach leaves recorded by single photon counting techniques is decomposed into exponential components and it is shown that at least three different components are present. The lifetime of the three components does not show significant variations with the excitation or emission wavelengths. The excitation and emission spectra of each component were determined. The nature of the chemical compounds which cause this emission is discussed in relation to these spectra.
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Goulas, Y., Moya, I. & Schmuck, G. Time-resolved spectroscopy of the blue fluorescence of spinach leaves. Photosynth Res 25, 299–307 (1990). https://doi.org/10.1007/BF00033171
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DOI: https://doi.org/10.1007/BF00033171