Skip to main content

Table 1 Effect of pretreatments of rice straw on its main components

From: Microalgal lipid production using the hydrolysates of rice straw pretreated with gamma irradiation and alkali solution

Pretreatment conditions Composition analysis of rice straw (w/w, %)a
Cellulose Xylan Klason lignin Water-soluble extractives Water content
Untreated 37.5 10.5 18.4 9.3 9.7
25 kGy 37.1 10.8 18.2 9.2 9.6
50 kGy 37.4 10.6 18.3 9.5 9.3
75 kGy 37.3 10.3 18.2 9.4 9.1
100 kGy 37.9 10.6 18.5 9.4 9.1
NaOH 52.7 6.0 14.1 8.3 5.4
25 kGy + NaOH 52.7 5.9 13.6 8.1 5.5
50 kGy + NaOH 54.2 5.8 12.5 8.1 4.3
75 kGy + NaOH 56.9 4.4 11.5 7.2 4.3
100 kGy + NaOH 60.0 3.8 11.0 6.3 4.0
  1. aResults are expressed as an average percentage of the components obtained from triplicate assays