Table 2.
Fatty acid quantities (mg/g) and composition (% of total fatty acids) in SRM, liquid, and powder saw palmetto supplements.
|
Supplement |
Laurate (C12:0) |
Myristate (C14:0) | Palmitate (C16:0) | Stearate (C18:0) | Oleate (C18:1) |
Linoleate (C18:2) | Total Fatty Acid | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mg/g | % | mg/g | % | mg/g | % | mg/g | % | mg/g | % | mg/g | % | mg/g | % * | |
| Liquid Extracts (n = 7) | ||||||||||||||
| Doctor’s Best | 276.6 | 29.4 | 105.4 | 11.2 | 86.9 | 9.2 | 17.5 | 1.9 | 313.9 | 33.4 | 43.6 | 4.6 | 941.3 | 94.1 |
| GNC Herbal Plus | 82.9 | 8.9 | 33.8 | 3.6 | 94.0 | 10.1 | 25.4 | 2.7 | 582.3 | 62.4 | 59.1 | 6.3 | 933.8 | 93.4 |
| Spring Valley Natural Foods | 170.3 | 18.5 | 67.6 | 7.3 | 85.8 | 9.3 | 24.1 | 2.6 | 448.5 | 48.6 | 53.9 | 5.8 | 923.4 | 92.3 |
| Now Foods | 141.6 | 15.5 | 51.6 | 5.7 | 107.0 | 11.7 | 21.1 | 2.3 | 438.1 | 47.9 | 81.0 | 8.9 | 914.7 | 91.5 |
| Solaray | 141.9 | 15.6 | 57.1 | 6.3 | 90.9 | 10.0 | 21.2 | 2.3 | 476.0 | 52.1 | 55.6 | 6.1 | 913.0 | 91.3 |
| Saw Palmetto Harvesting Company | 254.9 | 28.3 | 98.5 | 11.0 | 84.4 | 9.4 | 16.2 | 1.8 | 312.5 | 34.7 | 34.1 | 3.8 | 900.0 | 90.0 |
| Jarrow Formulas | 127.2 | 15.3 | 47.5 | 5.7 | 93.1 | 11.2 | 32.5 | 3.9 | 230.2 | 27.6 | 248.2 | 29.8 | 833.4 | 83.3 |
| Mean | 170.8 a | 18.8 a | 65.9 a | 7.2 a | 91.7 a | 10.1 a | 22.6 a | 2.5 a | 400.2 a | 43.8 a | 82.2 a | 9.3 a | 908.5 a | 90.9 a |
| SEM | 18.0 | 1.9 | 6.9 | 0.7 | 2.0 | 0.2 | 1.4 | 0.2 | 30.9 | 3.2 | 19.2 | 2.4 | 9.6 | 1.0 |
| Powders (n = 5) | ||||||||||||||
| Permixon | 96.7 | 29.5 | 38.5 | 11.8 | 30.5 | 9.3 | 5.6 | 1.7 | 111.7 | 34.1 | 11.5 | 3.5 | 327.3 | 32.7 |
| Biochem | 40.7 | 17.1 | 16.2 | 6.8 | 58.2 | 24.4 | 47.0 | 19.7 | 36.4 | 15.3 | 19.1 | 8.0 | 238.3 | 23.8 |
| Natures’ Way | 38.0 | 26.5 | 14.3 | 10.0 | 18.2 | 12.7 | 14.4 | 10.0 | 40.1 | 27.9 | 6.5 | 4.5 | 143.6 | 14.4 |
| Solaray | 40.5 | 33.7 | 14.8 | 12.3 | 11.9 | 9.9 | 2.5 | 2.1 | 34.2 | 28.5 | 6.1 | 5.1 | 120.1 | 12.0 |
| GNC Saw Palmetto Formula | 14.6 | 21.3 | 5.6 | 8.2 | 15.2 | 22.1 | 9.6 | 13.9 | 14.6 | 21.2 | 4.6 | 6.7 | 68.6 | 6.9 |
| Mean | 46.1 b | 25.6 b | 17.9 b | 9.8 b | 26.8 b | 15.7 b | 15.8 b | 9.5 b | 47.4 b | 25.4 b | 9.6 b | 5.6 a | 179.6 b | 18.0 b |
| SEM | 9.0 | 2.0 | 3.7 | 0.7 | 5.7 | 2.1 | 5.4 | 2.3 | 11.1 | 2.2 | 1.8 | 0.5 | 30.7 | 3.1 |
| Standard Reference Material | ||||||||||||||
| SRM 3251 | 259.9 | 26.3 | 10.6 | 10.6 | 86.6 | 8.5 | 16.9 | 1.7 | 331.1 | 34.6 | 50.2 | 6.0 | 983.6 | 98.4 |