Table 2.
Changes in the functional groups.
| Functional group | AS | AS-LA | UTAS-LA20 | UTAS-LA40 | UTAS-LA60 | AS-SA | UTAS-SA20 | UTAS-SA40 | UTAS-SA60 |
|---|---|---|---|---|---|---|---|---|---|
| OH | 3354 | 3420 | 3420 | 3420 | 3420 | 3420 | 3420 | 3420 | 3420 |
| C–H | 2929 | 2927 | 2926 | 2924 | 2920 | 2917 | 2917 | 2917 | 2917 |
| CH | ---- | 2856 | 2856 | 2855 | 2851 | 2850 | 2850 | 2850 | 2850 |
| C = O ketone | ---- | 1716 | 1716 | 1716 | 1716 | 1716 | 1716 | 1716 | 1716 |
| C = O amide | 1647 | 1646 | 1647 | 1646 | 1647 | 1647 | 1647 | 1647 | 1646 |
| CH3 bend | 1362 | 1457 | 1457 | 1457 | 1457 | 1457 | 1457 | 1457 | 1457 |
| C-O | 1158 | 1157 | 1158 | 1158 | 1158 | 1158 | 1157 | 1159 | 1158 |
| C-O–H | 1081 | 1082 | 1081 | 1082 | 1082 | 1081 | 1081 | 1083 | 1082 |
| OH | 1015 | 1022 | 1020 | 1020 | 1020 | 1022 | 1021 | 1019 | 1020 |
| C = C bending | 930 | 933 | 934 | 938 | 939 | 935 | 936 | 939 | 938 |
| C–C | 861 | 863 | 863 | 865 | 867 | 863 | 864 | 866 | 865 |
| C-O | 763 | 760 | 760 | 760 | 760 | 759 | 759 | 759 | 759 |
| C-O-C | 575 | 575 | 575 | 575 | 575 | 575 | 575 | 575 | 575 |
AS, arrowhead starch; AS-LA, arrowhead starch-linoleic acid complex; UTAS-LA20, arrowhead starch-linoleic acid complex UT for 20 min; UTAS-LA40, arrowhead starch-linoleic acid complex UT for 40 min; UTAS-LA60, arrowhead starch-linoleic acid complex UT for 60 min; AS-SA, arrowhead starch-stearic acid complex; UTAS-SA20, arrowhead starch-stearic acid complex UT for 20 min; UTAS-SA40, arrowhead starch-stearic acid complex UT for 40 min; UTAS-SA60, arrowhead starch-stearic acid complex UT for 60 min.