The metabolism of the intracardially injected 1-¹⁴C palmitic acid in the carp (Cyprinus carpio L.)

Herodek, Sándor (1969) The metabolism of the intracardially injected 1-¹⁴C palmitic acid in the carp (Cyprinus carpio L.). A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 36. pp. 179-184. ISSN 0365-3005

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Abstract

Labeled palmitic acid, bound to plasma was injected into the circulation of carps, and 5, 20 and 60 minutes thereafter radioactivity of different lipid classes of the blood and liver was determined. The blood free fatty acids contained in the 5th minute thirty per cent, in the 20th five per cent and in the 60th minute one percent of the injected radioactivity. The liver took up much less fatty acids than usual in experiments with mammals. The esterified fatty acids of the blood showed all the time low radioactivities. In fish examined the turn over of blood free fatty acid was with one order of magnitude slower than in mammals. The free fatty acids seem to get directly to the consuming tissues without previous incorporation into the lipoproteins in the liver.

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