Ethanol Production from Oil Palm Trunk: A Combined Strategy Using an Effective Pretreatment and Simultaneous Saccharification and Cofermentation

Table 6

Chemical composition of raw materials after alkaline peroxide and heat treatment.

Treatment	Weight (g)	Lignin (% b/b)	Cellulose (% b/b)	Hemicellulose (% b/b)	Starch (% b/b)
Before	100	17.73	51.45	16.63	12.24
After	40	3.39	72.42	10.41	12.21