Histamin, Histidindecarboxylase und Gastrin im oberen Verdauungstrakt des Huhns
SchlüsselwörterHuhn Gastrointestinaltrakt Histamin Histidindecarboxylase Gastrin
The histamine, histidine decarboxylase and gastrin content of the oesophagus, crop, glandular stomach, gizzard and duodenum was determined in chickens.
Only minute amounts of histamine were found in the oesophagus (0.8 μg/g) and crop (0.5 μg/g). In the glandular stomach (7.7 μg/g), however, the gizzard (4.8 μg/g) and the duodenum (12.9 μg/g) the histamine content was considerably higher.
Measurable amounts of the specific histidine decarboxylase activity were found only in the glandular stomach (25.3 nMole newly formed histamine/g · hr−1
In none of the organs investigated, could any gastrin activity be definitely detected.
From the experiments it was concluded that gastric acid secretion in chickens may be controlled by systems other than gastrin. The role of histamine in this process is uncertain.
Key-WordsChicken Gastrointestinal Tract Histamine Histidine Decarboxylase Gastrin
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