Cardiovascular Effects of Fermented Milk Containing Angiotensin-Converting Enzyme Inhibitors Evaluated in Permanently Catheterized, Spontaneously Hypertensive Rats
AUTOR(ES)
Fuglsang, Anders
FONTE
American Society for Microbiology
RESUMO
In this study, two strains of Lactobacillus helveticus were used to produce fermented milk rich in angiotensin-converting enzyme (ACE) inhibitors. In vitro tests revealed that the two milks contained competitive inhibitors of ACE in amounts comparable to what has been obtained in previously reported studies. The two milks were administered by gavage to spontaneously hypertensive rats that had had a permanent aortic catheter inserted through the left arteria carotis, and mean arterial blood pressure and heart rate were monitored from 4 to 8 h after administration. Unfermented milk and milk fermented with a lactococcal strain that does not produce inhibitors were used as controls. Highly significant blood pressure effects were observed; i.e., milk fermented with the two strains of L. helveticus gave a more pronounced drop in blood pressure than the controls. Significant differences in heart rate effects were detected with one of the strains.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=126801Documentos Relacionados
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