Table 5.
Regression equation and coefficient of determination between log viscosity and concentration of soluble β-glucan from three acid-hydrolyzed barley varieties with different concentrations of hydrochloric acid (HCl)
| Varieties | HCl concentration (N) | Regression equation1) | Coefficient of determination (R2) |
|---|---|---|---|
| Saessal | Control | y=0.471x+0.569 | 0.989 |
| 0.1 | y=0.468x−0.078 | 0.984 | |
| 0.2 | y=0.430x−0.092 | 0.966 | |
| 0.3 | y=0.368x−0.078 | 0.940 | |
| 0.4 | y=0.288x−0.049 | 0.909 | |
| 0.5 | y=0.294x−0.000 | 0.931 | |
| Saechal | Control | y=0.468x+0.477 | 0.985 |
| 0.1 | y=0.403x+0.327 | 0.944 | |
| 0.2 | y=0.359x+0.341 | 0.966 | |
| 0.3 | y=0.380x+0.259 | 0.927 | |
| 0.4 | y=0.437x+0.144 | 0.860 | |
| 0.5 | y=0.245x+0.080 | 0.744 | |
| Hinchal | Control | y=0.478x+0.197 | 0.912 |
| 0.1 | y=0.349x+0.324 | 0.958 | |
| 0.2 | y=0.351x+0.188 | 0.953 | |
| 0.3 | y=0.345x+0.095 | 0.914 | |
| 0.4 | y=0.421x−0.096 | 0.945 | |
| 0.5 | y=0.280x−0.071 | 0.826 |
Saessal as non-waxy barley, Saechal and Hinchal as waxy-barley.
y, Log viscosity (cP); x, concentrations of β-glucan (%, w/v).