Table 3.
Phytic acid (mg/g) |
Tannin (mg CE/g) |
||||
---|---|---|---|---|---|
Pretreatment | Germination Time (h) |
Buckwheat | Quinoa | Buckwheat | Quinoa |
Soaking (S) | 0 | 10.41 ± 0.56AB | 10.85 ± 0.50A | 0.40 ± 0.01A | 2.11 ± 0.23B |
12 | 11.38 ± 0.78A | 3.60 ± 0.04B | 0.21 ± 0.01B | 2.63 ± 0.15AB | |
24 | 10.91 ± 0.02AB | 1.78 ± 0.84C | 0.40 ± 0.03A | 2.77 ± 0.53A | |
48 | 10.90 ± 0.80AB | 3.03 ± 1.11BC | 0.25 ± 0.01B | 2.77 ± 0.24A | |
72 | 9.39 ± 0.26B | 2.10 ± 0.04BC | 0.21 ± 0.00B | 2.58 ± 0.08AB | |
Ultrasound (U) | 0 | 10.41 ± 0.56C | 10.85 ± 0.50A | 0.40 ± 0.01A | 2.11 ± 0.23B |
12 | 13.18 ± 0.12A | 8.54 ± 0.02B | 0.16 ± 0.02C | 1.79 ± 0.35B | |
24 | 12.22 ± 0.21AB | 1.63 ± 0.19C | 0.25 ± 0.02BC | 3.17 ± 0.46A | |
48 | 10.70 ± 1.13BC | 1.69 ± 0.62C | 0.29 ± 0.05B | 3.00 ± 0.28A | |
72 | 9.43 ± 0.88C | 1.57 ± 0.36C | 0.34 ± 0.02AB | 2.45 ± 0.30AB | |
Thermo-Alkaline Hydrolysis (A) | 0 | 10.41 ± 0.56AB | 10.85 ± 0.50A | 0.40 ± 0.01A | 2.11 ± 0.23AB |
12 | 10.44 ± 0.58AB | 7.93 ± 0.31C | 0.08 ± 0.01C | 1.54 ± 0.05C | |
24 | 9.16 ± 0.14B | 9.00 ± 1.02BC | 0.18 ± 0.02B | 2.60 ± 0.39A | |
48 | 11.82 ± 0.19A | 9.96 ± 0.36AB | 0.16 ± 0.00B | 2.02 ± 0.12BC | |
72 | 10.63 ± 0.02AB | 9.78 ± 0.09AB | 0.07 ± 0.00C | 1.88 ± 0.26BC |
Data are means ± standard deviation. Data values with the same alphabetic superscript in a row do not vary significantly (p < 0.05). CE = Catechin equivalents.