Research Article
The Synthesis Followed by Spectral and Calorimetric Evaluation of Stability of Human Milk Fat Substitutes Obtained from Thistle Milk and Lard
Table 1
The wave numbers of selected bands occurring in spectra of studied compounds.
| Spectral region | Samples studied | oil | lard | 2 hours mixture | 4 hours mixture | 6 hours mixture | VN/cm–1 | Intensity | VN/cm–1 | Intensity | VN/cm–1 | Intensity | VN/cm–1 | Intensity | VN/cm–1 | Intensity |
| 3200–2800 | 3010 | vs | 3010 | vs | 3010 | vs | 3010 | vs | 3010 | vs | 2058 | vs | 2058 | vs | 2058 | vs | 2058 | vs | 2058 | vs | 2928 | vs | 2928 | vs | 2928 | vs | 2928 | vs | 2928 | vs | 2855 | vs | 2855 | vs | 2855 | vs | 2855 | vs | 2855 | vs |
| 1800 –1600 | 1746 | vs | 1746 | vs | 1746 | vs | 1746 | vs | 1746 | vs | | | | | 1712 | s | 1712 | s | 1712 | s |
| 1480 – 1450 | | | | | 1466 | m | 1466 | m | 1466 | m | 1459 | vw | 1457 | w | 1457 | m |
| < 1100 | | | | | 1099 | m | 1099 | w | – | | 1030 | m | 1030 | w | – | | – | | – | | 1047 | w | – | | – | | 943 | w | – | | – | | 634 | w |
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VN: wave number, vs: very strong, s: strong, m: medium, w: weak, and vw: very week. |