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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Therapeutic effect of polysaccharide fraction of Atractylodis macrocephalae Koidz. in bovine subclinical mastitis

Fig. 1

FTIR spectroscopy of RAMP. The FITR spectrum of RAMP showed a strong broad band of absorption at 3386.08 cm−1 attributed to O-H stretching vibration of the polysaccharides. The band at 2929.71 cm−1 was ascribed to C-H stretching vibration in carbohydrates and the band at 1633.08 cm−1 was due to the presence of bound water. The characteristic peak of absorption at 873.02 cm−1 was due to the variable-angle vibration of β-configuration C-H of pyranose. The band at 819.07 cm−1 was attributed to the variable-angle vibration of C-H of furan ring. The absorption peak at 350–660 cm−1 indicated that it was a pyran-type polysaccharide

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