Friday, 22 November 2013

Phytochemicals and Hypertension

Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood. High blood pressure means raising pressure in your heart and staying high over time, damaging the body in many ways. Beside general approaches, supplements, and foods we can also control high blood pressure with herbs.

Types of food to prevent and treat hypertension
1. DASH diet
I*n the study to compare the DASH (Dietary Approaches to Stop Hypertension) diet alone or combined with a weight management program with usual diet controls among participants with prehypertension or stage 1 hypertension (systolic BP, 130-159 mm Hg; or diastolic BP, 85-99 mm Hg), showed that for overweight or obese persons with above-normal BP, the addition of exercise and weight loss to the DASH diet resulted in even larger BP reductions, greater improvements in vascular and autonomic function, and reduced left ventricular mass(1).

2. Green tea
In the study to to examine the hypothesis that supplementation with GT alters insulin resistance and associated cardiovascular risk factors in obese, hypertensive patients, showed that supplementation also contributed to significant (P < .05) decreases in the total and low-density lipoprotein cholesterol and triglycerides, but an increase in high-density lipoprotein cholesterol. In conclusion, daily supplementation with 379 mg of GTE favorably influences blood pressure, insulin resistance, inflammation and oxidative stress, and lipid profile in patients with obesity-related hypertension(2).

3. Garlic
In the study to examine the effect of garlic on blood pressure in patients with and without elevated systolic blood pressure (SPB) through meta-analyses of randomized controlled trials, indicated that Garlic reduced SBP by 16.3 mm Hg (95% CI 6.2 to 26.5) and DBP by 9.3 mm Hg (95% CI 5.3 to 13.3) compared with placebo in patients with elevated SBP(3).

4. Organic Soy milk 
in the study to evaluate the antihypertensive potential of soy milk (500 mL twice daily) compared with cow's milk was investigated in a 3-mo double-blind randomized study of 40 men and women with mild-to-moderate hypertension, found that , chronic soy milk consumption had modest, but significant hypotensive action in essential hypertensive subjects. This hypotensive action was correlated with the urinary excretion of the isoflavonoid genistein(4).

5. Celery
The reduction of hypertension of celery is as result of the presence of  3-n-butyl phthalide, according to the article of A New Look at an Ancient Remedy: Celery, posted on the NewYork time(5). people with high blood pressure only needs 4 stalks/per day to lower blood pressure as the compatible doses in rat by 12 to 14 percent and lowered cholesterol by about 7 percent.

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Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/20101007
(2) http://www.ncbi.nlm.nih.gov/pubmed/22749178 
(3) http://www.ncbi.nlm.nih.gov/pubmed/19017826
(4) http://www.ncbi.nlm.nih.gov/pubmed/12097666 
(5) http://www.nytimes.com/1992/06/09/health/a-new-look-at-an-ancient-remedy-celery.html

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