Table 1.
Extractive content of andong and betung bamboos before and after the steam treatment

Bamboo species Extractive type Strand treatment
Control Steam
Andong Water-soluble (%) 4.29 3.95
Hot water-soluble (%) 5.81 5.64
1% NaOH soluble (%) 22.57 19.29
Ethanol-benzene-soluble (%) 3.20 3.11
Betung Water-soluble (%) 5.63 4.62
Hot water-soluble (%) 7.64 6.45
1% NaOH soluble (%) 19.43 18.51
Ethanol-benzene-soluble (%) 9.09 8.89