Abstract
Biodiesel and Product Potential of Microalgae Dunaliella salina By NMR Techniques
Highlights
Systematic studies have been conducted to characterize both β-carotene and Tri-Glycerides (TG) present in the solvent extracts of biomass of microalgae Dunaliella Salina by Nuclear Magnetic Resonance (1D and 2D NMR) techniques
Microalgae are the major food source for many aquatic organisms, which are highly recommended for human consumption due to the presence of polyunsaturated Fatty Acids (PUFA) and essential nutrients in their biomasses [1,4,11]
TGs from microalgae biomasses are converted into Fatty Acid Methyl Ester (FAME) by usual chemical hydrolysis followed by esterification or enzymatic transesterification [19]
Summary
Systematic studies have been conducted to characterize both β-carotene and Tri-Glycerides (TG) present in the solvent extracts of biomass of microalgae Dunaliella Salina by Nuclear Magnetic Resonance (1D and 2D NMR) techniques. The TG are comprised of both unsaturated (C18:1, C18:2; n-3 C18:3, C22:6) and saturated (C16:0, C18:0) fatty acids as revealed by 1H NMR and GC-MS analyses of extracts The quality parameters such as n-3 PUFA and iodine value have been determined from the integral intensities of the respective functional groups corresponding to these parameters. Microalgae are cultivated in sea or fresh water but grow very well in waste waters by utilizing very efficiently P and N of these media [14,15,16,17,18,19,20] These sources have been found to be very convenient and effective for biodiesel and value-added products such as PUFA, pigments, vitamins and proteins [1,4,5,6,16]. Derived oils are a suitable feedstock for biofuel production [22,23]
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