Table 5
Physicochemical characterization of untoasted kernels and fractions obtained after electrostatic sorting or turbo-separation of U-RSM and U-SFM (from Laguna et al., 2018).
| U-RSM-0.1 | U-SFM-0.5 | |||||
|---|---|---|---|---|---|---|
| Separation process | ES | TS | U-kernel | ES | TS | U-kernel |
| Fraction | PFe | FF§ | – | PFe | FF§ | – |
| TSPC* | 25.8 ± 0.1a | 21.4 ± 0.3b | 20.3 ± 0.6b | 45.8 ± 1.1a | 39.9 ± 1.1b | 41.5 ± 0.7b |
| Protein content (% DDM) | 59.1 ± 0.4c | 48.7 ± 0.4d | 48.3 ± 1.4d | 61.7 ± 0.0c | 51.2 ± 0.0d | 52.6 ± 1.8d |
| Overall recovery Yield (% m/m) | 31.0 | 40.7 ± 0.6 | – | 32.0 | 30.0 | – |
Note: ES = electrostatic sorting, TS = turbo-separation, TSPC: total simple phenolic compounds, U-kernels = untoasted kernels, PFe = positive fraction of the electrode, FF = fine fraction. *: TSPC was expressed in mg of sinapic acid equivalent (SAE)/g of defatted dry matter (DDM) and mg of chlorogenic acid equivalent (CAE)/g DDM for U-RSM and U-SFM respectively. §: Fine fraction (FF) recovered at 5000 rpm. For each raw material, values followed by same superscript letters are not significantly different, p ≤ 0.05. Values are means ± SD (n = 3).
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