Table 1.

Chemical constituent content in different natural fiber [10,39,40,41,42,43].

Category	Fibre Type	Cellulose (wt %)	Hemi-Celluloses (wt %)	Lignin (wt %)
Bast	Flax	71–81	18.6–20.6	2.2–3
	Hemp	57–77	14–22.4	3.7–13
	Nettle	79–86	6.5–12.5	3.5–4.4
	Jute	61–71	14–20	12–13
	Kenaf	28–72	20.3–25	8–22.7
	Roselle	70.2	7.2	14.9
Leaf	Sisal	47–78	10–14.2	7–11
	Abaca	56–63	20–25	7–9
	Henequen	77.6	4–8	13.1
	Pineapple fiber	70.82–81	0–0	5–12.7
	Banana	63–67.6	10–19	5
	Date palm	33.9	26.1	27.7
Fruit/ Seed	Coir (coconut)	32–47	0.15–20	31–45
	Oil palm (EPF) Oil palm (Mesocarp)	65 60	0 0	19 11
	Sponge gourd	50.2–67.2	15.6–21.2	11.2–14.4
	Kapok	64	23	13
	Cotton	82.7–92	5.7–6	0
Grasses	Straw–wheat	28.8–48.8	15–39.1	12–20
	Straw–rice	45	19.3	18.9
	Straw–rye	37.9	36.9	17.6
	Alfa (esparto)	45.4	38.5	14.9
	Bamboo	26–60.8	25.1–30	2.1–32.2
Husk/Hull	Rice husk	35–45	19–25	19.5–20
Sugar	Sugarcane bagasse	36.3–55.2	16.8–24.7	18.14–25.3