- Conference date: 17–21 May 2009
- Location: Cairo (Egypt)
In this paper, we were able to record luminescence spectra of olive, sunflower, corn, gourd and laurel oils, chlorophyll and carotene by using an argon laser (488–514 nm) and second harmonic Nd‐YAG laser (532 nm) along with a monochromator whose spectral range is 400–900 nm. Only when the luminescence light is vertical to laser light, two new peaks 540 nm and 673 nm have been detected with the latter one is more intense. In discussing our results, we succeeded in determining which materials in olive oil are responsible for producing the luminescence spectral peak; 673 nm. The experimental data has shown that the chlorophyll is the main part of the olive components which gives the olive oil luminescence spectral peak; 673 nm. The other luminescence spectral peak; 540 nm was common to all different kinds of oil in general.
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