Simulation of Absorption Spectrum of Photosynthetic Pigments of Chlorella Vulgaris B Algae
Mahmoud, G. S.,T. Hj. Hassan, Othman, R., and Messikh, A.
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Abstract:
Absorption spectrum of Chlorella vulgaris B algae was reconstructed by simulated the absorption spectrum of the mixture under examination by a linear combination of the absorption spectra of all its constituents. A C30 reversed high performance liquid chromatography equipped with photodiode array detector (HPLC-PAD) and absorption spectrophotometer were used to separate and identify photosynthetic pigments of Chlorella vulgaris B. Spectrum-reconstruction method (SRCM) was used to calculate concentrations of total carotenoids, chlorophylls a and b. Absorption spectrum of the total pigments extracted of Chlorella vulgaris B. was reconstructed from the sum of the spectrum of individual extracted pigments taken from (HPLC-PAD), and compared using normalization with absorption spectrum of the total pigments recorded by spectrophotometer. A total of seven Pigments were separated and identified.
Keywords: Chlorella Vulgaris, Pigment Composition, Multi-Component Analysis, HPLC, Absorption Spectrum