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  Indian J Med Microbiol
 

Figure 2: Attenuated total reflection Fourier-transform infrared spectrum of the crude S. pilchardus glycosaminoglycan extract. (A) Chondroitin sulfate A (black) and S. pilchardus (red) attenuated total reflection Fourier-transform infrared spectra, n = 5. (B) Principal component analysis Score Plot (PC1 vs. PC2) of S. pilchardus compared against a bone fide glycosaminoglycan library. Heparan sulfate (cyan), heparin (blue), chondroitin sulfate with composition not stated (black, open circles), chondroitin sulfate A (black filled circles), chondroitin sulfate C (grey), dermatan sulfate (orange), over-sulfated chondroitin sulfate (magenta), hyaluronic acid (green), S. pilchardus glycosaminoglycans (red filled circles).

Figure 2: Attenuated total reflection Fourier-transform infrared spectrum of the crude <i>S. pilchardus</i> glycosaminoglycan extract.
(A) Chondroitin sulfate A (black) and <i>S. pilchardus</i> (red) attenuated total reflection Fourier-transform infrared spectra, <i>n</i> = 5. (B) Principal component analysis Score Plot (PC1 <i>vs</i>. PC2) of <i>S. pilchardus</i> compared against a <i>bone fide</i> glycosaminoglycan library. Heparan sulfate (cyan), heparin (blue), chondroitin sulfate with composition not stated (black, open circles), chondroitin sulfate A (black filled circles), chondroitin sulfate C (grey), dermatan sulfate (orange), over-sulfated chondroitin sulfate (magenta), hyaluronic acid (green), <i>S. pilchardus</i> glycosaminoglycans (red filled circles).