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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

YAHYA, Mohammed A.; ALHAJ, Omar A.  and  AL-KHALIFAH, Abdullrahman S.. Antihypertensive effect of fermented skim camel (Camelus dromedarius) milk on spontaneously hypertensive rats. Nutr. Hosp. [online]. 2017, vol.34, n.2, pp.416-421. ISSN 1699-5198.  http://dx.doi.org/10.20960/nh.1163.

Background:

Hypertension is one of the most common diseases in worldwide, thus prevention of hypertension is important in reducing the risks of cardiovascular disease. Milk contains bioactive peptides released during milk fermentation which lead to exhibit angiotensin I converting enzyme (ACE) inhibitory.

Objective:

The aim of this study was to investigate the antihypertensive effect of fermented skim camel milk on rats and compared with unfermented skim camel milk as control.

Methods:

The antihypertensive effect of fermented skim camel milk on thirty six male spontaneously hypertensive rats (SHR) was carried out for (short-term) and (long-term) using different doses (80, 240 and 1200 mg/kg body weight). Angiotensin converting enzyme (ACE) activity was also measured using ACE Kit.

Results:

The blood pressure (systolic and diastolic) of spontaneously hypertensive rats (SHR) in short term administration (24 hours) of 1200 mg/kg body weight fermented skim camel milk decreased significantly (p < 0.05) from 22 to 36 mmHg and 28 to 32 mmHg, respectively, at four and eight hour of post administration. On the other hand, the blood pressure of fermented skim camel milk for long-term (20 days) decreased and affected the heart rate (beats/min). The lowest record of systolic (41 mmHg) and diastolic blood pressure (19 mmHg) were at dose of 1200 mg/kg body weight of fermented skim camel milk at 15 days of administration. Likewise, ACE activity in plasma of SHR administered fermented skim camel milk decreased significantly (p < 0.05) compared with the control group.

Conclusion:

The hypotensive effect of fermented skim camel milk by L. helveticus and S. thermophillus in SHR rats depends on the high dose of fermented skim camel milk in short and long-term. The ACE activity inhibitory was clear with fermented skim camel milk.

Keywords : Hypertension; Skim camel milk; Blood pressure; Angiotensin I converting enzyme activity.

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