Plasma levels of catechols after fasting in intact or adrenal-demedullated rats

Moshe Garty*, Anna Deka-Starosta, Robin Stull, Irwin J. Kopin, David S. Goldstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We compared arterial plasma levels of catechols after a 24-h fast with levels after 24 h of an ad libitum diet in conscious rats. Epinephrine concentrations were significantly decreased after the fast; levels of norepinephrine, dopa, and dihydroxyphenylglycol were unaffected. Adrenal-demedullated rats had decreased levels of dopa regardless of dietary intake and lower levels of norepinephrine after fasting than during the usual diet. The results indicate that fasting decreases adrenomedullary activity in intact animals, with little or no effect on sympathoneural activity.

Original languageEnglish
Pages (from-to)181-184
Number of pages4
JournalJournal of the Autonomic Nervous System
Issue number2
StatePublished - Mar 1989
Externally publishedYes


  • Dihydroxyphenylglycol
  • Dopa
  • Epinephrine
  • Fasting
  • Norepinephrine
  • Sympathetic nervous system


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