From: Effects of pH on steam explosion extraction of acetylated galactoglucomannan from Norway spruce
Buffer | Average pH | St. dev. | Average combined severity \(R^{\prime}_{0}\) | St. dev. | Man:Glc:Galratio | Bound acetate µmol/mg carbohydrate |
---|---|---|---|---|---|---|
MilliQ H2O control | 3.7 | 0.009 | 1.707 | 0.037 | 1.88:1:0.28 | 0.30 |
0.5 M citrate pH 4.0 | 4.2 | 0.009 | 0.511 | 0.011 | 2.71:1:0.39 | 0.31 |
0.5 M citrate pH 5.0 | 5.0 | 0.041 | 0.092 | 0.009 | 1.64:1:0.51 | 0.11 |
0.5 M citrate pH 6.0 | 5.6 | 0.012 | 0.024 | 0.001 | 0.67:1:0.53 | n.d. |
1 M phosphate pH 6.0 | 5.3 | 0.045 | 0.042 | 0.004 | 1.39:1:0.23 | n.d. |
1 M phosphate pH 6.5 | 5.9 | 0.017 | 0.010 | 0.000 | 0.19:1:0.11 | n.d. |
1 M phosphate pH 7.0 | 6.3 | 0.031 | 0.004 | 0.000 | 0.23:1:0.16 | n.d. |