Table 3.
Fatty acid composition (% total fatty acids) of seed oil in freshly harvested and stored Stackhousia tryonii seed
| Storage period (years) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Fatty acid |
Freshly collected |
1 |
1·5 |
4·5 |
||||
| Saturated fatty acids | ||||||||
| Tridecanoic acid (C13:0) | 87·6 ± 7·5 | 9·5 ± 0·5 | 3·6 ± 0 | ND | ||||
| Palmitic acid (C16:0) | 5·5 ± 0·6 | 16·5 ± 0·8 | 16·2 ± 0·9 | 21·1 ±1·7 | ||||
| Stearic acid (C18:0) | ND | 1·0± 0 | ND | ND | ||||
| Nonadecanoic acid (C19:0) | ND | Tr | Tr | Tr | ||||
| Tricosanoic acid (C23:0) | ND | Tr | Tr | Tr | ||||
| Mono-unsaturated fatty acids | ||||||||
| Oleic acid (C18:1) | ND | 12·7 ± 1·1 | 20·3 ± 1·3 | 12·6 ± 0·9 | ||||
| Erucic acid (C22:1) | ND | Tr | Tr | Tr | ||||
| Poly-unsaturated fatty acids | ||||||||
| Linoleic acid (C18:2) | 7·5 ± 0 | 27·3 ± 1·9 | 34·0 ± 2·0 | 27·0 ± 0·9 | ||||
| Linolenic acid (C18:3) | 6·2 ± 0 | 36·8 ± 4·0 | 27·1 ± 1·1 | 39·3 ± 1·6 | ||||
Seeds were collected from the same location and stored under ambient conditions in the laboratory. Fatty acid results are means of three determinations (±s.e.).
ND, not detected; Tr, traces (concentrations less than 1 % of the total fatty acids).