
not essential for growth ,development and reproduction
but usually have ecological function
directly involved normal growth
development and reproduction
MINERAL
WATER
ERYTHROS-4-PHOSPHATE
SHIKIMIC ACID
PATHWAY
Phenyl-propanoids
coumarins lignins
flavanoids
aromatic amino acids
alkaloids
volatile oils

pyruvic acid
acetyl CoA
TCA cycle
aliphatic amino acid
fatty acid
mevalonic acid
volatile oil