Quality of Canadian food-type soybeans 2017
Canadian natto-type soybeans
Table 4 displays the quality data for 2017 Canadian natto-type soybeans. Mean 100-seed weight for 2017 natto-type soybean was 9.4 g, lower than that in 2016. Water absorption value was 1.25 g H2O per g seeds and water uptake factor was 2.25, slightly higher than that for 2016.
The mean protein content for 2017 Canadian natto-type soybean was 39.5 g per 100 g dry matter, which was higher than that in 2016 (Table 4). The mean oil content was 19.6 g per 100 g dry matter, lower than the mean for 2016.
The mean sucrose content for 2017 Canadian natto-type soybean was 66.9 g per kg dry matter, higher than that in 2016 (Table 4). The mean oligosaccharides content was 49.9 g per kg dry matter, slightly higher than that in 2016. The mean total isoflavones content was 3207 mg per kg dry matter, which was higher than the mean for 2016.
| Quality parameter | Number of samples | 2017 | 2016 |
|---|---|---|---|
| Physical characteristic | |||
| 100-seed weight, g/100 seeds | 8 | 9.4 | 9.9 |
| Water absorption, g H2O/g seeds | 8 | 1.25 | 1.18 |
| Water uptake factor, g soaked wt/g seeds | 8 | 2.25 | 2.18 |
| Chemical composition (g/100 g DM) | |||
| Protein content | 8 | 39.5 | 39.0 |
| Oil content | 8 | 19.6 | 21.8 |
| Sugar content (g/kg DM) | |||
| Sucrose | 8 | 66.9 | 57.4 |
| Raffinose | 8 | 7.9 | 8.9 |
| Stachyose | 8 | 41.3 | 37.6 |
| Verbascose | 8 | 0.71 | 0.23 |
| Total oligosaccharidesFootnote2 | 8 | 49.9 | 46.7 |
| Isoflavones (mg/kg DM) | |||
| Total isoflavonesFootnote3 | 8 | 3207 | 2415 |