03-10-2009, 05:54 PM
Citrulline can be derived from multiple sources:
from arginine via nitric oxide synthase (NOS)
from ornithine via catabolism of proline or glutamine/glutamate
see more in this http://en.wikipedia.org/wiki/Arginine
from arginine via nitric oxide synthase (NOS)
from ornithine via catabolism of proline or glutamine/glutamate
see more in this http://en.wikipedia.org/wiki/Arginine