Pomegranate

Every year, more than a million Americans are struck down by a heart attack or stroke. For many, sudden death will be their first—and last—symptom of undetected vascular disease. Those lucky enough to survive often face invasive procedures like angioplasty and coronary bypass surgery, followed by a lifetime of curtailed physical activity and costly heart medications.

If you trust your vascular health to mainstream doctors, you may be gambling with your life. Although cardiovascular disease remains the nation’s number-one killer, American medicine prioritizes heart disease treatment rather than prevention. Sadly, it has become far more profitable to treat heart disease than to prevent it.

Fortunately, natural strategies that can help avert life-threatening heart attacks and strokes are readily available today. One of the most promising heart-protective agents to emerge in recent years is pomegranate. Packed with unique antioxidants that guard the body’s endothelial cells against free-radical assault, pomegranate has been shown to prevent—and even reverse—cardiovascular disease.

Research also shows that pomegranate can stop the progression of deadly prostate cancer. And scientists are now exploring pomegranate’s potential in averting ailments ranging from diabetes to Alzheimer’s disease, as well as its role in supporting skin, joint, dental, and liver health.

In this article, we examine the growing volume of research that attests to pomegranate’s myriad health-promoting properties—particularly its role in safeguarding the delicate endothelial cells that line blood vessels and are so critical to preserving optimal vascular function in aging adults.

Pomegranate: Powerful Support for Cardiovascular Health

Approximately 71 million Americans suffer from cardiovascular diseases such as hypertension (high blood pressure), coronary artery disease, a history of stroke, or peripheral vascular disease (impaired blood flow to the extremities). Atherosclerosis—a disease of the blood vessels, characterized by inflammation, vascular endothelial cell dysfunction, and impaired nitric oxide production—is a major component of cardiovascular disease.

In both laboratory and clinical studies, pomegranate shows great promise in averting the numerous pathological changes associated with cardiovascular disease. Scientists believe pomegranate works through several mechanisms to fight cardiovascular disease by:

reducing oxidative stress

supporting the synthesis and activity of nitric oxide
inhibiting the oxidation of potentially harmful LDL (low-density lipoprotein).

Reducing oxidative stress and inflammatory damage in blood vessels is a well-documented way to lower the risk of cardiovascular disease, both known and undetected.1 Mounting evidence suggests that compounds in pomegranate known as punicalagins are cardioprotective by virtue of their powerful antioxidant and anti-inflammatory effects.

In one study, for example, pomegranate juice outperformed numerous other potent antioxidants—grape juice, blueberry juice, red wine, vitamin C, and vitamin E, among others—in “quenching” the damaging effects of free radicals on cell membranes.2 While all the antioxidant nutrients tested effectively prevented the overgrowth of undesirable muscle cells in blood vessel walls—a factor contributing to elevated blood pressure—pomegranate juice was by far the most effective of all.

Supporting the action of nitric oxide is another way to protect the cardiovascular system. Nitric oxide exerts many essential antioxidant and anti-inflammatory effects in the body, including scavenging certain reactive oxygen species, preventing LDL oxidation, deterring the adhesion and aggregation of blood cells and platelets along the endothelial cell lining, and inhibiting the proliferation of vascular smooth muscle cells.3 Together, these effects help retard the progression of atherosclerosis. When scientists tested pomegranate against other antioxidants, they found that it helped enhance the biological actions of nitric oxide, thus conferring significant cardioprotection.

Preventing dangerous LDL oxidation is also crucial to protecting the blood vessels of the heart. Oxidized LDL can severely damage cardiovascular health by injuring cells that line the coronary arteries, leading to inflammation and narrowing that can precipitate a heart attack. LDL oxidation also reduces the activity of enzymes that produce nitric oxide in those blood vessels, thus preventing them from responding normally to changing demands for blood flow. When scientists treated human coronary artery cells with pomegranate juice, they discovered a dramatic correction in levels of nitric oxide production.4 This correction is likely to be beneficial in preventing complications of blood vessel disease, including heart attacks.

Just as water flowing rapidly down a canyon gradually erodes the canyon walls and stirs up residues, blood flowing under high pressure or disturbed by narrowed arteries can damage blood vessel walls, increasing oxidative damage and worsening atherosclerosis.5 A recent Italian study found that pomegranate juice concentrate reduced oxidant-related cellular changes in blood vessel cells exposed to high shear stresses, such as those produced by disturbed blood flow.6 The juice also increased nitric oxide production, further protecting the cells. After demonstrating these effects in cell cultures, the scientists administered pomegranate juice to mice with elevated cholesterol levels, and found that they could markedly impede the progression of atherosclerosis. These exciting findings suggest that the dangerous effects induced by perturbed shear stress can be reversed by chronic administration of pomegranate juice.


Pomegranate May Reverse Atherosclerosis
Human studies of pomegranate juice have demonstrated even more dramatic effects, showing that pomegranate may actually reverse atherosclerosis. Israeli scientists studied patients with narrowing of their carotid arteries as a result of atherosclerosis.7 The carotid arteries in the neck are responsible for more than 80% of blood flow to the brain, and narrowing of these major vessels is a major risk factor for stroke. Among patients given daily pomegranate juice supplements (providing 78 mg of punicalagins) for one year, atherosclerotic lesions in the common carotid artery decreased by 35% in size, while actually growing by 9% in a control group. Thus, pomegranate reversed existing atherosclerosis, which continued to worsen in those who did not consume pomegranate. Blood analysis showed that total antioxidant activity increased 130% in the pomegranate juice group, compared to before-treatment values. Finally, the participants’ systolic blood pressure fell by an impressive 21% after one year of pomegranate juice supplementation.

The same Israeli scientists showed that this blood pressure reduction from drinking as little as 2 ounces of pomegranate juice daily (providing 78 mg of punicalagins) was due to decreased activity of angiotensin converting enzyme (ACE).8 This is a tremendously important finding, since drugs that inhibit ACE activity are commonly used to treat hypertension. Further, the study raises the possibility that pomegranate juice may help patients avoid having to take such drugs.

A study from the California-based Preventive Medicine Research Institute examined the effects of pomegranate juice in human patients with established coronary heart disease.9 Forty-five patients with coronary heart disease and cardiac ischemia (insufficient blood flow to the heart muscle) were randomly assigned to drink 8 ounces of pomegranate juice or a placebo beverage daily. At the onset and conclusion of the three-month study, scientists measured the participants’ blood flow to the heart muscle, both at rest and during stress. Before administration of pomegranate juice, both groups showed the same amount of stress-induced ischemia. At the end of three months, however, the pomegranate group demonstrated a significant improvement in stress-related ischemia, indicating more optimal blood flow to the heart muscle. By contrast, stress-related ischemia worsened in the placebo group. Because these effects could not be attributed to changes in the patients’ weight, blood sugar, or cardiac medications, it appears that daily consumption of pomegranate juice alone improved stress-induced ischemia in these patients.

Its effects in supporting healthy blood pressure, ensuring optimal blood flow, and preventing and reversing atherosclerosis make pome-granate an essential nutrient in every heart health program.

POMEGRANATE: WHAT YOU NEED TO KNOW


Pomegranate offers abundant benefits for the cardiovascular system by preventing damage to arterial walls, promoting healthy blood pressure levels, improving blood flow to the heart, and preventing or reversing atherosclerosis.
Pomegranate may benefit people with diabetes and those at risk for the disease. Pomegranate helps lower after-meal blood sugar levels and protects the cardiovascular system from diabetes-induced damage.
Pomegranate shows promise in killing prostate cancer cells, whether the cells are hormone-sensitive or not. Pomegranate also helped halt the progression of prostate cancer in men who had undergone surgery or radiation for the disease.
Pomegranate may fight the degeneration of joint tissue that leads to painful osteoarthritis, and may protect the brain against oxidative stress-induced changes that can lead to Alzheimer’s. Pomegranate extracts—alone or in combination with the herb gotu kola—help kill the bacteria that contribute to dental plaque, while helping to heal gum disease. Pomegranate also appears to protect the health of the skin and liver.
The health benefits of pomegranate can be conveniently obtained through the use of low-cost, concentrated juices and extracts.
Pomegranate Counters Diabetes and Metabolic Syndrome
In addition to its diverse cardioprotective effects, pomegranate may have profound benefit for people with diabetes and the pre-diabetic condition known as metabolic syndrome.

To start with, pomegranate components appear to lower blood sugar levels immediately following a meal, according to research from Australia.10 Scientists there who studied obese rats with type II diabetes found that oral administration of pomegranate extract markedly lowered the animals’ blood sugar levels after a meal, while having minimal effect on the blood sugar levels of animals that had not eaten. This exciting finding suggests that pomegranate extracts block the breakdown of sucrose (table sugar) in the intestine by inhibiting alpha-glucosidase, an enzyme that breaks down sugars. This action could help prevent sugars from being absorbed, thus lessening the abrupt after-meal spike in blood sugar that is so damaging to diabetics.

Diabetes is associated with numerous detrimental changes that impair the function of heart tissue. These include increased levels of non-functional fibrous tissues and increased accumulation of triglycerides within the heart muscle itself. Australian researchers recently found that diabetic rats that were given pomegranate extract for six weeks greatly reduced the amount of non-functioning fibrous tissue in their hearts,11 while long-term pomegranate supplementation helped improve abnormal cardiac lipid metabolism.12

Diabetes is associated with increased oxidative stress and the development of atherosclerosis. Pomegranate’s antioxidant power and ability to fight atherosclerosis led Israeli researchers to examine the effects of pomegranate juice on inflammatory cells in diabetic rats.13 They compared the antioxidant effects of pomegranate juice to those of white grape juice on macrophages, the immune cells that stimulate inflammation in arterial walls as the result of oxidative stress. Just 10 days of pomegranate juice consumption greatly decreased macrophage oxidant levels and increased cellular antioxidant levels, while the animals fed white grape juice demonstrated exactly the opposite effects.

The Israeli researchers then proceeded to examine the effects of pomegranate juice on the blood and macrophages of human diabetics.14 The subjects received 50 milliliters (1.69 fluid ounces) of pomegranate juice daily (providing 78 mg of punicalagins) for three months, and their blood and macrophage status was compared to that of healthy controls. Not surprisingly, the diabetics had much higher measures of tissue oxidative damage compared to controls. However, dramatic improvement was found at the three-month mark in the pomegranate-treated group, which recorded a 56% reduction in serum lipid peroxides, an indicator of damaging lipid peroxidation. Similarly powerful effects were seen on oxidant levels in the patients’ macrophages—pomegranate helped reduce cellular oxygen radicals by 71%, while increasing cellular antioxidants by 141%! Perhaps of greatest importance to preventing atherosclerosis and heart disease, pomegranate-supplemented subjects had a 39% reduction in their macrophages’ uptake of oxidized LDL—the deadly fat-protein compound that triggers vascular disease.

Iranian researchers took the next logical step, evaluating the effects of pomegranate juice on the mix of blood fats and cholesterol in diabetic patients.15 Twenty-two diabetics with elevated blood lipids consumed 40 grams (1.41 fluid ounces) per day of concentrated pomegranate juice for eight weeks, when blood lipid levels were measured again. Total cholesterol and LDL levels decreased substantially, demonstrating that pomegranate juice markedly reduces cardiac risk factors in diabetic patients.

Pomegranate thus offers an array of protective benefits for people with diabetes, from preventing aberrantly high blood sugar levels to protecting the heart against the potentially devastating cardiovascular consequences of diabetes.


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Big Benefits Of Pomegranate Juice




Pomegranates are making a big splash in nutrition research, with scientists in the U.S., Portugal, Israel, India and other nations searching for the latest health benefits of this antioxidant-rich fruit.

Once an exotic item rarely seen in the supermarket, the popularity of ruby red pomegranate juice has made it easy to get the pleasure and benefits of this sweet fruit.

The enthusiasm for pomegranates stems from the high concentration of antioxidants that accompanies the sweetness of its juice.

Pomegranate Heart Health Benefits

One active area of research has looked at the potential heart health benefits of the pomegranate.

These studies indicate that daily consumption of pomegranate juice, about 8 ounces a day for three months or more, can help:

Reduce dangerous LDL-cholesterol in blood
Improve blood flow to the heart in patients with coronary artery disease
Reduce thickening of the arteries that supply blood to the brain
Lower the level of systolic blood pressure
Learn more about improving heart health: Love Your Heart with Stress Management

Laboratory studies have demonstrated that pomegranate juice can help maintain the health of blood vessels by several interacting mechanisms:

1) Reversing a process called LDL-oxidation. LDL, which stands for low-density lipoprotein, is the major protein responsible for transporting cholesterol in your blood and depositing cholesterol in the walls of blood vessels. The level of oxidized LDL in blood is emerging as a leading risk factor for cardiovascular disease.

2) Decreasing inflammation in the lining of blood vessels. Inflammatory cells called macrophages, found in the walls of your arteries, accumulate cholesterol and deposit it in the vessel wall, initiating a process called atherosclerosis, a major step in hardening of the arteries. Pomegranate juice prevents this type of inflammation and inhibits atherosclerosis.

3) Raising the levels of nitric oxide, a chemical that keeps your arteries supple and flexible. Many types of stress impair your blood vessels' ability to make nitric oxide. Pomegranate juice can prevent both reasons for reduced nitric oxide: impaired synthesis and rapid breakdown.

Discover another fruit with heart benefits: Nature's Little Blue "Pills" Fight Heart Disease

Research on Pomegranates and Cancer

Research is looking at the ways pomegranate juice and extracts of pomegranates may be able to help fight cancer.

The anticancer effects of pomegranate juice are related to its potential ability to induce cancer cells to self-destruct, a process called apoptosis. Laboratory research studies suggest that pomegranate juice may help induce apoptosis of human breast, prostate and colon cancer cells by activating genes and enzymes that regulate apoptosis.

Pomegranates Fight Inflammation

Whenever it's been studied, unsweetened pomegranate juice has been more effective than any single component.

Not only does pomegranate juice contain potent phenolic antioxidants, like other brightly colored fruits, but pomegranate juice contains unique complex sugars that are anti-inflammatory on their own.

Read: Natural Anti- Inflammatory Foods and Supplements That Help Arthritis

Here is a delicious recipe featuring pomegranate juice that my son Jonathan Galland wrote for The Fat Resistance Diet.

Omega Blast Granola

Granola is a crunchy and satisfying comfort food. This recipe has a smart mix of whole grain oats, fruit and nuts, and is high in Omega 3's.

3 Cups Rolled Oats
1 Cup Oat Bran
1/2 Cup Chopped Walnuts
1/4 Cup Freshly Ground Flaxseeds
3/4 Cup Pomegranate Juice 
2 Teaspoons Walnut Oil or Olive Oil
1 Teaspoon Cinnamon
1 Teaspoon Vanilla
1 Cup Raisins

Preheat the oven to 325°F. In a big bowl, mix everything except the raisins. Spread the mixture over a nonstick baking pan and bake for 20 minutes, or until nice and brown, stirring occasionally to cook evenly.

Remove from the oven and toss in the raisins. Let cool and put in a glass container for storage in the refrigerator. Makes about 5 cups. Serve one cup granola with one cup nonfat plain yogurt, nonfat milk, or unsweetened soy milk per person.

I hope you enjoy the healthy pleasure of pomegranate juice throughout the year.

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Skin or Cosmetic Benefits of Pomegranate Juice

Healthy skin not only offers aesthetic benefits, it helps regulate your body temperature and provides a layer of protection against infectious agents. A healthy diet helps ensure your skin can function at its best, and drinking pomegranate juice provides the energy, carbohydrates, proteins and fats that your skin and other tissues need to maintain themselves. Pomegranate juice also serves as a source of minerals and vitamins, including several nutrients that offer cosmetic and other benefits for your skin.
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Vitamin E
Pomegranate juice benefits your skin because of its vitamin E content. Vitamin E provides natural sun protection -- it neutralizes harmful free radicals generated as a result of sun exposure, so that they cannot damage your skin. It also promotes healthy wound healing and regulates inflammation, helping to fight inflamed skin. A cup of fresh pomegranate juice contains 1.8 milligrams of vitamin E, or 12 percent of your recommended daily intake, established by the Institute of Medicine.
Vitamin C
Pomegranate juice's vitamin C content also offers cosmetic benefits and nourishes your skin. Like vitamin E, it protects your skin against sun damage, and a diet rich in vitamin C reduces skin wrinkling, explains the Linus Pauling Institute. It also helps you synthesize collagen, a protein important for healthy skin and teeth. Low vitamin C levels can cause old scars to re-open, and can even cause tooth loss. Drinking a cup of pomegranate juice boosts your vitamin C intake by 31 milligrams -- 41 percent of the recommended daily intake for women and 34 percent for men, according to the Institute of Medicine.
Zinc
Drink pomegranate juice as a source of zinc, an essential mineral important for healthy skin. Zinc regulates the growth of basal cells -- the precursor cells that develop into mature skin tissue, and also plays a key role in wound healing. It also activates superoxide dismutase, an antioxidant protein that protects your skin from damage. Each 1-cup serving of pomegranate juice offers 1.1 milligrams of zinc -- 14 percent of the recommended daily intake for women and 10 percent for men, according to the Institute of Medicine.
Copper
Pomegranate juice's copper content also offers cosmetic benefits. You need copper to produce melanin, a pigment that helps give your eyes, skin and hair their color. Copper offers anti-inflammatory benefits to your skin and provides natural sun protection. It also helps produce mature collagen, which strengthens your skin tissue. A cup of pomegranate juice boosts your copper intake by 481 micrograms and provides 53 percent of the recommended daily intake suggested by the Institute of Medicine.