NH 2
COOH
phenylalanine
PAL
NH 3
COOH
cinnamic acid
COOH
O
H
C4H
p-coumaric acid
CoA ligase
CoASH
CO-SCoA
O
H
p-coumaroil CoA
STS
+ 3
C
H 2
COSCoA
COOH
Malonyl CoA
O
H
OH
OH
trans-resveratrol
OH
O
NH 2
OH
L-tyrosine
TAL
Fig. 3 Biosynthetic pathway for stilbene formation in plants
628
S. Cruz et al.