Table 3.
Fatty acid compositions of oils extracted from heat treated corn germ (%)
| Temperature/power | Time (min) | Palmitic acid | Stearic acid | Oleic acid | Linoleic acid | Linolenic acid | Arachidic acid |
|---|---|---|---|---|---|---|---|
| Unroasted | 11.61 ± 0.00ab | 2.04 ± 0.01c | 32.83 ± 0.00b | 51.95 ± 0.01a | 1.27 ± 0.01b | 0.32 ± 0.00b | |
| 125 °C | 60 | 11.60 ± 0.01c | 2.05 ± 0.00b | 32.87 ± 0.01b | 51.88 ± 0.01b | 1.30 ± 0.01a | 0.32 ± 0.00b |
| 150 °C | 60 | 11.63 ± 0.01b | 2.03 ± 0.00c | 32.86 ± 0.02b | 51.90 ± 0.01ab | 1.27 ± 0.01b | 0.32 ± 0.01b |
| 175 °C | 60 | 12.03 ± 0.01a | 2.11 ± 0.01a | 33.49 ± 0.03a | 50.78 ± 0.04c | 1.26 ± 0.00b | 0.34 ± 0.01a |
| 440 W | Unroasted | 11.61 ± 0.00a | 2.04 ± 0.01ab | 32.83 ± 0.00a | 51.95 ± 0.01a | 1.27 ± 0.01a | 0.32 ± 0.00a |
| 4 | 11.32 ± 0.37a | 2.01 ± 0.03b | 32.00 ± 0.95a | 50.91 ± 1.73a | 1.25 ± 0.04a | 0.30 ± 0.04a | |
| 6 | 11.60 ± 0.01a | 2.03 ± 0.01ab | 32.87 ± 0.03a | 51.92 ± 0.04a | 1.27 ± 0.00a | 0.32 ± 0.00a | |
| 8 | 11.58 ± 0.00a | 2.06 ± 0.01a | 32.61 ± 0.00a | 52.17 ± 0.01a | 1.28 ± 0.00a | 0.32 ± 0.00a | |
| 800 W | Unroasted | 11.61 ± 0.00a | 2.04 ± 0.01a | 32.83 ± 0.00ab | 51.95 ± 0.01b | 1.27 ± 0.01a | 0.32 ± 0.00a |
| 4 | 11.59 ± 0.04a | 2.04 ± 0.00a | 32.77 ± 0.03bc | 52.02 ± 0.03ab | 1.28 ± 0.01a | 0.31 ± 0.02a | |
| 6 | 11.55 ± 0.02ab | 2.04 ± 0.01a | 32.76 ± 0.03c | 52.07 ± 0.01a | 1.28 ± 0.01a | 0.32 ± 0.00a | |
| 8 | 11.46 ± 0.07b | 2.04 ± 0.01a | 32.88 ± 0.02a | 52.05 ± 0.07ab | 1.27 ± 0.00a | 0.31 ± 0.01a |
Values in the same column with different superscript letters are significantly different from those for unroasted seeds within each group (P < 0.05)