Effect of Oral Administration of Intact Casein on Gastrointestinal Hormone Secretion and Pancreatic α-Amylase Activity in Korean Native Steer

Three Korean native steers (779±24 kg) fitted with duodenal cannulas were used in a 3×3 Latin square design to investigate the influence of oral administration of soluble proteins, intact casein (IC) and acid hydrolyzed casein (AHC), on gastrointestinal hormone (GIH) secretion in the blood and pancr...

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Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 26(2013), 5 vom: 24. Mai, Seite 654-60
1. Verfasser: Lee, S B (VerfasserIn)
Weitere Verfasser: Choi, C W, Jin, Y C, Wang, T, Lee, K H, Ku, M B, Hwang, J H, Kim, K H, Vega, R S A, Lee, H G
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Cholecystokinin Ghrelin Korean Native Steer Secretin α-Amylase
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520 |a Three Korean native steers (779±24 kg) fitted with duodenal cannulas were used in a 3×3 Latin square design to investigate the influence of oral administration of soluble proteins, intact casein (IC) and acid hydrolyzed casein (AHC), on gastrointestinal hormone (GIH) secretion in the blood and pancreatic α-amylase activity in the duodenum. Oral treatment consisted of a basic diet (control), IC (C+100% protein), or AHC (C+80% amino acid, 20% peptide) for 21 d. Blood and duodenum samples were collected for measurement of serum GI hormones, and pancreatic α-amylase activity was determined at 900, 1030, 1330, 1630, and 1930 h after feeding on d 21 of treatment. The levels of serum cholecystokinin (CCK) and secretin in the IC treatment group were higher compared to the other treatment groups (p<0.05). In addition to the changes in CCK and secretin levels upon IC treatment, the pancreatic α-amylase activity in the duodenum was higher in the IC group compared to the control diet group (p<0.05). The response of serum ghrelin to IC and AHC treatment was in accordance with the response of serum secretin. The level of peptide fragments flowing in the duodenum was higher in the IC treatment group than the other treatment groups (p<0.05). In conclusion, this study demonstrated that an increase in duodenal CCK and secretin upon IC oral administration increased pancreatic α-amylase secretion. In addition, ghrelin may be associated with GI hormone secretion in Korean native steers 
650 4 |a Journal Article 
650 4 |a Cholecystokinin 
650 4 |a Ghrelin 
650 4 |a Korean Native Steer 
650 4 |a Secretin 
650 4 |a α-Amylase 
700 1 |a Choi, C W  |e verfasserin  |4 aut 
700 1 |a Jin, Y C  |e verfasserin  |4 aut 
700 1 |a Wang, T  |e verfasserin  |4 aut 
700 1 |a Lee, K H  |e verfasserin  |4 aut 
700 1 |a Ku, M B  |e verfasserin  |4 aut 
700 1 |a Hwang, J H  |e verfasserin  |4 aut 
700 1 |a Kim, K H  |e verfasserin  |4 aut 
700 1 |a Vega, R S A  |e verfasserin  |4 aut 
700 1 |a Lee, H G  |e verfasserin  |4 aut 
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773 1 8 |g volume:26  |g year:2013  |g number:5  |g day:24  |g month:05  |g pages:654-60 
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