202 DAIRY CHEMISTRY AND BIOCHEMISTRY
PI
M
H
n
r
ci
VAL
ILE GLU
LEU
$?
1
CYS
+
GLU
+
GLY
[Plrsmsl
UREA
POLYAMINES
GLUTAMATE y SEMI ALDEHYDE
Figure 4.31 Summary diagrams of amino acid metabolism in mammary tissue. (a) Amino acid
carbon interrelationships, (b) amino acid nitrogen interrelationships (from Mepham, Gaye and
Mercier, 1982).