Official Journal of the Japan Wood Research Society
Pretreatment | 10 mg wood tissue with 20 ml reaction solution | 21 g milled wood with 700 ml reaction solution | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
0.05 % (w/v) | 3 % (w/v) | |||||||||
(μmol/g) | (μmol/g) | |||||||||
S | G | S + G | S:G | Preferential decrease | S | G | S + G | S:G | Preferential decrease | |
Untreated | 624.3 | 183.3 | 825.6 | 78:22 | – | 448.1 | 101.6 | 549.7 | 82:18 | – |
1.0 % H2SO4 | 36.2 | 19.2 | 55.4 | 65:35 | S | 74.4 | 25.6 | 100.0 | 74:26 | S |
Hot water | 16.1 | 5.4 | 21.4 | 75:25 | S and G | 54.2 | 12.4 | 66.7 | 81:19 | S and G |
0.5 % NaOH | tr | tr | tr | – | S | 36.6 | 14.6 | 51.2 | 71:29 | S |