. Author manuscript; available in PMC: 2011 Mar 9.

Published in final edited form as: Biochem Pharmacol. 1968 Feb;17(2):247–254. doi: 10.1016/0006-2952(68)90330-4

Table 3.

Norepinephrine-H³ and its metabolites in rat brain^*

Radioactive substance	Per cent total radioactivity ± S.E.M.
Radioactive substance	(33 min)	(90 min)	(150 min)
Norepinephrine	49·8 ± 1·4	56·0 ± 1·8	58·1 ± 5·2
DHPG plus DHMA	1·96 ± 0·07	1·18 ± 0·07	0·76 ± 0·04
Normetanephrine	7·03 ± 0·22	3·78 ± 0·18	4·08 ± 0·23
VMA plus MHPG	3·56 ± 0·15	3·39 ± 0·16	1·26 ± 0·08
MHPG-SO₄	31·9 ± 0·8	35·9 ± 1·4	33·1 ± 2·1

Norepinephrine-H³ (5·8 μc) was injected intracisternally, Norepinephrine-H³ and metabolites were analyzed at various times after the injection. Each value represents the mean ± S.E.M. of 8 determinations.