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Spectral characterization of β, ε-carotene-3, 3′-diol (lutein) from marine microalgae Chlorella salina

Author

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  • Gayathri, S.
  • Rajasree, S.R. Radhika
  • Kirubagaran, R.
  • Aranganathan, L.
  • Suman, T.Y.

Abstract

This study aimed on modern analytical techniques for the isolation, separation and structural identification of the essential bioactive carotenoid Lutein, from green microalga, Chlorella salina. Identification was done by comparing their absorption and mass spectral data with those of reference standard values reported. The extract is separated by selective C18 columns and the data were then combined with spectroscopic information. Structural assignment of the separated compound is done by HR-MS. The results of the spectral investigation showed that the isolated pigment showed absorbance peak at 445 nm. Total luminescence spectra were recorded by measuring the emission spectra in the range 350–720 nm at an excitation wavelength of 455 nm. The excitation-emission matrices were recorded and two basic fluorescence regions have been obtained. The compound was resolved within 4.36 min by using a C18 column with a flow rate at 1 ml/min and detection at 450 nm. The compound was detected by a High Resolution Orbitrap-MS with regard to specificity and sensitivity (with limits of detection ranging from 1.0 to 3.8 pg μL−1).

Suggested Citation

  • Gayathri, S. & Rajasree, S.R. Radhika & Kirubagaran, R. & Aranganathan, L. & Suman, T.Y., 2016. "Spectral characterization of β, ε-carotene-3, 3′-diol (lutein) from marine microalgae Chlorella salina," Renewable Energy, Elsevier, vol. 98(C), pages 78-83.
    • Handle: RePEc:eee:renene:v:98:y:2016:i:c:p:78-83
    DOI: 10.1016/j.renene.2016.04.065
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