Skip to main content

Table 1 The compositions of UTRS, AC1RS and AC2RS

From: Performance of AFEX™ pretreated rice straw as source of fermentable sugars: the influence of particle size

Components Composition of rice straw (expressed as the percentage of oven dried, %)
UTRS AC1RS AC2RS
Structural components:    
1. Structural carbohydrates 57.8 ± 0.6 57.2 ± 0.3 57.8 ± 0.4
Glucan 34.4 ± 0.6 33.8 ± 0.2 34.6 ± 0.4
Xylan 19.7 ± 0.2 19.8 ± 0.2 19.5 ± 0.1
Arabinan 3.7 ± 0.1 3.6 ± 0.0 3.7 ± 0.1
2. Lignin 19.8 ± 0.8 15.4 ± 0.8 15.8 ± 1.0
3. Acetyl group 1.6 ± 0.1 1.4 ± 0.1 1.7 ± 0.0
Non-structural components:    
1. Ash 14.1 ± 0.2 13.5 ± 0.1 13.4 ± 0.2
2. Nitrogen (native) 0.5 ± 0.2 0.5 ± 0.2 0.5 ± 0.2
3. Nitrogen (AFEX) NA 2.5 ± 0.4 3.7 ± 0.4
4. Extractives 6.7 ± 1.8 11.8 ± 1.4 12.8 ± 1.0
  1. All values are means of duplicate ± standard deviation; NA – Not applicable.