Table IV.

Yields of low-M_r phenolics released by alkaline hydrolysis of 6-month-old control and transgenic poplars

Compound	Control	70SOMT-3
	mg g−1 KLa
p-Hydroxybenzoic acid	15.56	3.89
Vanillic acid	0.25	0.30
Syringic acid	0.24	0.02
Vanillin	1.38	2.28
Syringaldehyde	1.41	0.16

^a KL, Klason lignin.