Functional groups | Frequency (cm-1) | Intensity | ||||
---|---|---|---|---|---|---|
Ao (n = 10) | Ac (n = 10) | P -value | Ao (n = 10) | Ac (n = 10) | P -value | |
CH3 asymmetric stretching | 2965.25 ± 0.35 | 2962.68 ± 0.14 | *** | 1.14 ± 0.02 | 1.19 ± 0.02 | * |
CH2 asymmetric stretching | 2930.14 ± 0.26 | 2927.85 ± 0.23 | *** | 1.23 ± 0.02 | 1.25 ± 0.01 | * |
CH3 symmetric stretching | 2873.22 ± 0.47 | 2875.97 ± 0.36 | *** | 0.83 ± 0.01 | 0.89 ± 0.02 | * |
CH2 symmetric stretching | 2853.15 ± 0.36 | 2855.22 ± 0.56 | *** | 0.74 ± 0.05 | 0.86 ± 0.07 | ** |
Amide I | 1653.85 ± 0.21 | 1651.61 ± 0.14 | *** | 2.97 ± 0.15 | 1.84 ± 0.25 | *** |
Amide II | 1542.53 ± 0.33 | 1539.82 ± 0.11 | *** | 1.98 ± 0.25 | 1.57 ± 0.36 | ** |
CH2 bending | 1453.61 ± 0.43 | 1452.14 ± 0.14 | ** | 0.90 ± 0.03 | 0.96 ± 0.02 | * |
COO- symmetric stretch | 1394.20 ± 0.36 | 1397.09 ± 0.25 | *** | 0.98 ± 0.02 | 0.92 ± 0.05 | * |
PO2- asymmetric stretching | 1239.61 ± 0.12 | 1239.48 ± 0.19 | 0.12 | 1.01 ± 0.02 | 0.91 ± 0.02 | * |
PO2- symmetric stretching | 1058.65 ± 1.78 | 1080.02 ± 0.56 | *** | 1.14 ± 0.19 | 0.89 ± 0.08 | *** |