Quality of Canadian food-type soybeans 2018
Canadian natto-type soybeans
Table 4 displays the quality data for 2018 Canadian natto-type soybeans. Mean 100-seed weight for 2018 natto-type soybean was 9.9 g, slightly higher than that in 2017. Water absorption value was 1.18 g H2O per g seeds and water uptake factor was 2.18, slightly lower than that for 2017.
The mean protein content for 2018 Canadian natto-type soybean was 38.9 g per 100 g dry matter or 33.8 g per 100 g at 13% moisture basis, which was slightly lower than that in 2017 (Table 4). The mean oil content was 21.7 g per 100 g dry matter or 18.9 g per 100 g at 13% moisture basis, higher than the mean for 2017.
The mean sucrose content for 2018 Canadian natto-type soybean was 54.4 g per kg dry matter, lower than that in 2017 (Table 4). The mean oligosaccharides content was 51.6 g per kg dry matter, higher than that in 2017. The mean total isoflavones content was 2493 mg per kg dry matter, which was lower than the mean for 2017.
| Quality parameter | Number of samples | 2018 | 2017 |
|---|---|---|---|
| Physical characteristic | |||
| 100-seed weight, g/100 seeds | 14 | 9.9 | 9.4 |
| Water absorption, g H2O/g seeds | 14 | 1.18 | 1.25 |
| Water uptake factor, g soaked wt/g seeds | 14 | 2.18 | 2.25 |
| Chemical composition (g/100 g)Footnote2 | |||
| Protein content | 14 | 38.9 (33.8) | 39.5 (34.4) |
| Oil content | 14 | 21.7 (18.9) | 19.6 (17.1) |
| Sugar content (g/kg DM) | |||
| Sucrose | 14 | 54.4 | 66.9 |
| Raffinose | 14 | 7.9 | 7.9 |
| Stachyose | 14 | 41.4 | 41.3 |
| Verbascose | 14 | 2.3 | 0.71 |
| Total oligosaccharidesFootnote3 | 14 | 51.6 | 49.9 |
| Isoflavones (mg/kg DM) | |||
| Total isoflavonesFootnote4 | 14 | 2493 | 3207 |