Table 2.
Treatment Order | MM [×106 Da] | |||||
---|---|---|---|---|---|---|
Acid Treatment 1 | Neutralization 2 | Heating 3 | DGCC7710 fEPS | ST143 fEPS |
Dextran | |
Ref | - | - | - | 2.98 ± 0.09 a | 3.94 ± 0.12 a | 0.22 ± 0.01 a |
I | 1 | - | - | 0.36 ± 0.02 c | 3.53 ± 0.13 a | 0.23 ± 0.01 a,b |
II | 1 | 2 | - | 2.54 ± 0.15 b | 3.62 ± 0.02 a | 0.21 ± 0.01 a,b |
III | 1 | - | 2 | b.d.l. | b.d.l. | 0.04 ± 0.01 c |
IV | 1 | 3 | 2 | b.d.l. | b.d.l. | 0.04 ± 0.01 c |
V | 1 | 2 | 3 | 2.49 ± 0.06 b | 3.70 ± 0.37 a | 0.22 ± 0.01 a,b |
VI | 2 | - | 1 | 0.45 ± 0.01 c | 3.79 ± 0.18 a | 0.22 ± 0.01 b |
VII | 2 | 3 | 1 | 2.22 ± 0.01 b | 3.41 ± 0.15 a | 0.23 ± 0.01 a,b |
1 98 g/L trichloroacetic acid (TCA), incubation time: 4 h; 2 1 mol/L NaOH; 3 90 °C, 10 min and subsequent cooling to room temperature in an ice bath.