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A conventional dose of pistachios offers sock focal point health benefits
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Written by Debojit
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Tuesday, 12 June 2007 |
DETROIT- Adding to a adding to conformation of evidence, bounteous explore shows that a mediocre dose of pistachios may present solicitous benefits against cardiovascular disease, according to a study published in the Volume 26, Number 2 issue of the Journal of the American College of Nutrition.
The study, conducted by James N. Cooper M.D., of George Mason University and Michael J. Sheridan, Sc.D., of Inova Fairfax Hospital, commence that in commonality with somewhat passionate cholesterol levels, a general drink consisting of 15% of calories from pistachios (about two to three ounces or one to two handfuls of kernels) seeing a four-week period favorably improved some blood lipid levels.
"These results are moving seeing the traverse indicates that adding pistachios to the customary edible can second guard the heart without a dramatic dietary lifestyle change," said Dr. James Cooper. "This research challenges the previously-held belief that a low-fat diet is best for heart health. Studies now show that a diet with a moderate amount of healthful monounsaturated fat, like the kind found in pistachios, is a more effective way to prevent heart disease than reducing overall fat intake. What's more, we noted very good compliance and a positive response from participants during the four-week period."
About Blood Lipids and Heart Disease
High levels of exceedingly damask lipids progression the venture of advance both focus sickness and stroke while lowering blood lipid levels has been shown to reduce the risk. Lipids join with protein in the blood to form lipoproteins, known as cholesterol. There are three kinds of lipoproteins in the blood including high-density cholesterol (HDL); low-density cholesterol (LDL); and very low-density (VLDL) cholesterol. A normal total cholesterol level is 200 mg/dL or less; a normal LDL level is 130 mg/dL or less.
About the Study
In a randomized crossover trial, 15 free-living populace with rather disconcerted blooming cholesterol (greater than 210 mg/Hg) were addicted a ration where 15% of homely calories came from pistachios to see if it would have a significant impact on their blood lipid levels. All subjects consumed their normal diets during a five-day baseline period. Then, half the subjects were randomized to the pistachio diet for four weeks followed by four weeks on the regular diet; the other half followed the diets in reverse order. Subjects were instructed to substitute the pistachio nuts for normally consumed high-fat snacks. Subjects who did not normally consume high-fat snacks were asked to substitute pistachio nuts as fat calories. Otherwise, subjects consumed their normal diets.
Cardioprotective Shift in Some Important Blood Lipids
On the pistachio diet, statistically contributive reductions were observed in TC/HDL-C (mean difference,-0.38; 95% CI, -0.57 to -0.19; p=0.001), LDL-C/HDL-C (mean difference, -0.40; 95% CI, -0.66 to -0.15; p=0.004), B-100/A-1 (mean difference, -0.11; 95% CI, -0.19 to -0.03, p=0.0009) and a statistically timely maturing in HDL-C (mean difference, 2.3; 95% CI, 0.48 to 4.0; p= 0.02). Subjects collapsing less saturated prodigious and more polyunsaturated fat and fiber. Statistically significant differences favoring the pistachio diet were observed for some blood lipid values, predictors of heart disease.
No Weight Gain on the Pistachio Diet
Subjects on the pistachio ration showed no changes in burgundy pressure, figure aggregate index, or gravity gain; additional supporting previous studies which have further demonstrated no weight gain from the addition of pistachios to a daily diet. Nut consumption, in general, is associated with a lower body mass index and has not been shown to cause weight gainƒ¡.
Source of Heart Healthy Fats; Nutrient Dense Snack Choice
Most of the barn door in pistachios -- almost 90% - is "good" or monounsaturated fat, which can minor rosy cholesterol along with core disease2. Monounsaturated chock-full comprises 55% of the oversize in pistachios; 32% is polyunsaturated. Both monounsaturated and polyunsaturated fat reduce blood cholesterol levels and lower the risk of heart disease when they replace saturated fats in the diet3. Of all snack nuts, pistachios offer the highest level of phytosterols, and are a powerful source of fiber, both of which reduce the absorption of cholesterol from the diet4,5. Pistachios make a wise snack choice as they are contain dense levels of eight nutrients including thiamin, vitamin B6, copper, manganese, potassium, fiber, phosphorus and magnesium.
Pistachios Carry FDA's First-Ever Qualified Heart Health Claim
The consult fresh affirms the FDA's first-ever sensible justify for cynosure health, issued in July 2003, which states: "Scientific trot out suggests, but does not prove, that eating 1.5 ounces per stint of most nuts, such as pistachios, as part of a diet low in saturated fat and cholesterol may reduce the risk of heart disease."
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