Table 3.
Sinapine (SP) | Sinapoyl glucose (SG) | Sinapic acid (SA) | SP + SG +SA | Total phenolics (SAE)* | ||
---|---|---|---|---|---|---|
HPLC** | Folin–Ciocalteu | |||||
Seeds | ||||||
S1 | 11.89 ± 0.36a | 3.04 ± 0.06c | 0.20 ± 0.01g | 15.13 | 13.79b | 17.77 ± 0.07c |
S2 | 9.58 ± 0.00b | 6.65 ± 0.00a | 0.20 ± 0.00g | 16.43 | 15.33a | 18.46 ± 0.71b |
S3 | 11.73 ± 0.32ab | 1.13 ± 0.03f | 0.11 ± 0.00k | 12.97 | 12.55d | 16.30 ± 0.50c |
S4 | 10.12 ± 0.00b | 3.01 ± 0.00c | 0.25 ± 0.00f | 13.38 | 13.14c | 19.39 ± 0.70b |
S5 | 9.16 ± 0.19c | 2.96 ± 0.07c | 0.10 ± 0.00k | 12.22 | 12.53c | 17.58 ± 0.00c |
S6 | 10.42 ± 0.07a | 2.65 ± 0.04c | 0.17 ± 0.00hi | 13.24 | 12.08d | 16.16 ± 0.01c |
S7 | 9.20 ± 0.38b | 3.46 ± 0.16c | 0.10 ± 0.00k | 12.76 | 13.40c | 17.95 ± 0.31c |
S8 | 8.59 ± 0.23c | 4.86 ± 0.12b | 0.15 ± 0.01j | 13.60 | 12.28c | 16.58 ± 0.41c |
S9 | 10.06 ± 0.99b | 3.54 ± 0.30b | 0.19 ± 0.02gh | 13.73 | 12.85c | 17.55 ± 0.82c |
S10 | 9.11 ± 0.17b | 4.75 ± 0.04b | 0.16 ± 0.00ij | 14.02 | 12.69c | 17.34 ± 0.41c |
S11 | 8.68 ± 0.24c | 2.45 ± 0.06d | 0.19 ± 0.01g | 11.32 | 11.63d | 16.96 ± 0.25c |
S12 | 8.65 ± 0.48c | 3.04 ± 0.16c | 0.15 ± 0.01ij | 11.84 | 13.18c | 17.95 ± 0.34c |
S13 | 9.73 ± 0.15b | 4.54 ± 0.02b | 0.28 ± 0.00e | 14.55 | 13.76b | 19.22 ± 0.01b |
S14 | 9.82 ± 0.41b | 1.26 ± 0.04f | 0.09 ± 0.00k | 11.17 | 11.36d | 16.58 ± 0.90c |
S15 | 9.08 ± 0.22c | 6.54 ± 0.11a | 0.17 ± 0.00ij | 15.79 | 14.82a | 18.15 ± 0.12b |
S16 | 10.25 ± 0.00a | 1.30 ± 0.00f | 0.10 ± 0.00k | 11.65 | 11.82c | 16.09 ± 0.26c |
S17 | 10.70 ± 0.00a | 5.82 ± 0.00a | 0.59 ± 0.00a | 17.11 | 15.16a | 22.54 ± 0.46a |
S18 | 10.94 ± 0.06a | 0.50 ± 0.01g | 0.15 ± 0.00ij | 11.59 | 11.00e | 16.20 ± 0.44c |
Press cakes | ||||||
C1 | 11.17 ± 0.27a | 2.58 ± 0.06d | 0.29 ± 0.01e | 14.04 | 12.73c | 17.73 ± 0.31c |
C2 | 9.90 ± 0.02a | 4.01 ± 0.02b | 0.44 ± 0.00b | 14.35 | 13.71b | 19.71 ± 0.00b |
C3 | 11.31 ± 0.20ab | 2.37 ± 0.03d | 0.35 ± 0.00d | 14.03 | 14.47b | 18.01 ± 0.59b |
Meals | ||||||
M1 | 10.11 ± 0.10b | 1.37 ± 0.01e | 0.33 ± 0.00d | 11.80 | 11.19e | 16.66 ± 0.43c |
M2 | 6.11 ± 0.10e | 1.81 ± 0.02e | 0.41 ± 0.00c | 8.33 | 9.19f | 14.56 ± 0.37d |
M3 | 9.39 ± 0.09c | 1.35 ± 0.01e | 0.35 ± 0.00d | 11.09 | 11.67e | 16.26 ± 0.22c |
M4 | 8.80 ± 0.00c | 1.65 ± 0.00e | 0.39 ± 0.00c | 10.84 | 10.99e | 16.10 ± 0.69c |
M5 | 9.22 ± 0.29c | 1.70 ± 0.05e | 0.32 ± 0.01d | 11.24 | 10.97b | 15.43 ± 0.39d |
M6 | 7.66 ± 0.16d | 1.58 ± 0.03e | 0.38 ± 0.01cd | 9.62 | 9.57f | 15.42 ± 0.10d |
M7 | 8.76 ± 0.08c | 1.99 ± 0.01d | 0.41 ± 0.00c | 11.16 | 11.16e | 16.40 ± 0.24c |
Values are means ± the standard deviation (SD)
S Seed, C Cake, M Meal
Values in the same column followed by similar superscript letters are not significantly different at p ≤ 0.05
*SAE = sinapic acid equivalents
**Estimated from the total area of all the peaks based on the sinapic acid calibration curve