Figure 5: 500 MHz 1H NMR spectra of algal oil (chloroform extract) of Spirulina biomass (SPRM6) and soya oil. Signals marked 1 = n-3 PUFA; 2=CH2C=O, 3=C18:2; 4=C18:3; 5,6,7 = TG (triglycerides); 9,10,11,12 = 1,2 diglycerides and 1,3 diglyceride; BD=biodiesdel at 3.67 ppm.