. 2017 Mar 27;8:414. doi: 10.3389/fpls.2017.00414

Table 2.

Lignin content and composition of sheepgrass.^∗

Organs	AcBr lignin (mg/g CWR)	H units	G units	S units	S/G
		Thioacidolysis yield (μmol/g CWR)
E2-I2	151.7 ± 1.78^b	33.0 ± 1.29^a	212.3 ± 5.37^b	97.2 ± 5.11^b	0.46
E3-I2	157.6 ± 3.56^ab	33.6 ± 0.73^a	240.6 ± 2.98^a	129.3 ± 2.34^ab	0.54
E4-I2	168.5 ± 3.62^a	32.0 ± 0.64^a	243.0 ± 8.40^a	145.9 ± 2.19^a	0.60
R1-I5/6	148.8 ± 2.28^c	21.6 ± 7.27^a	186.8 ± 26.08^b	122.7 ± 20.38^b	0.66
R1-I3/4	160.9 ± 0.06^b	30.7 ± 3.77^a	233.2 ± 1.13^ab	163.6 ± 1.11^ab	0.70
R1-I1/2	169.9 ± 0.57^a	36.0 ± 1.52^a	250.8 ± 11.36^a	181.2 ± 9.00^a	0.72
Leaf blade	118.9 ± 2.45^c	7.0 ± 0.01^b	85.3 ± 0.01^b	34.5 ± 0.04^c	0.40
Leaf sheath	151.6 ± 1.21^b	24.6 ± 1.00^a	214.5 ± 2.72^a	111.2 ± 1.18^b	0.52
Culm	162.7 ± 0.16^a	24.8 ± 0.68^a	214.1 ± 0.05^a	149.3 ± 0.49^a	0.70

^∗Internodes at E2, E3, E4, and R1 stages were collected, and every two successive internodes (I1/2, I3/4, and I5/6) along the culm at the R1 stage were pooled. Values are mean ± SE (n = 3). Means with the different letter are significantly different (One-way ANOVA, Duncan’s test, p < 0.05).