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http://dx.doi.org/10.5187/JAST.2004.46.1.107

The Effect of Beef Peptide on Blood Pressure and Serum Lipid Concentration of Spontaneously Hypertensive Rat(SHR)  

Jang, A. (Seoul National University)
Cho, Y.J. (Seoul National University)
Lee, J.I. (Seoul National University)
Shin, J.H. (Seoul National University)
Kim, I.S. (Jinju National University)
Lee, M. (Seoul National University)
Publication Information
Journal of Animal Science and Technology / v.46, no.1, 2004 , pp. 107-114 More about this Journal
Abstract
The purpose of this work was to examine the effect of peptide on blood pressure and serum lipid concentration of spontaneously hypertensive rat(SHR). This peptide was extracted from beef muscle hydrolysates and identified as hexapeptide, V-L-A-Q-Y-K. This peptide showed angiotensin converting enzymc(ACE) inhibition activity in vitro experimentation$(IC_50: I38.34{\mu}\ell$/ml). Diets containing 0.2g. 0.5g. and 1.0g of the peptide per kg body weight were fed to SHR every day for 8 weeks while the control group was ted on a diet and lml of drinking water instead of the peptide. Total cholesterol and LDL-cholesterol concentrations of the treatment groups were lower than those of the control diet feeding group. The significant suppression of systolic blood pressure was shown by increasing the concentration of peptide supplement. especially by 3 weeks of feeding. although it started fluctuating later. These results suggest that the peptide may beneficially affect blood pressure in spontaneously hypertensive rat by the 3-week administration.
Keywords
Peptide; Antihypertensive; SHR; Cholestero;
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