Grapes may be very effective in overcoming and eliminating constipation. Furthermore, the study revealed that the people who had three servings of grapes among other fruits a week registered a 7 percent lower risk of diabetes than those who didn’t consume it. The study was undertaken over the last 22 years and it was found that only 6.5 percent of the participants contracted diabetes. In a 2013 study published by the British Medical Journal which involved 187,382 participants, it was suggested that some fruits help lessen the risk of type 2 diabetes in adults. They may also help reduce the risk of type 2 diabetes. Grapes are a low glycemic fruit, and a seemingly accepted fruit within a balanced diet recommended for people with diabetes.
A rat study model showed that procyanidins, a powerful antioxidant present in grape seed extract, prevented the progression of cataract formation. Additionally, they may also help ward off cataracts. Studies have shown that three servings of grapes a day may reduce the risks of macular degeneration by over 36 percent. A report published in the Journal of Nutrition suggests that polyphenols in muscadine grapes might have helped reduce ocular inflammation, a key factor causing vision-threatening retinal diseases. Red grapes may prevent age-related loss of vision and macular degeneration. Table grapes are ones you find in your local grocery store whereas smaller-sized grapes are used to make wine. Further human studies are ongoing to indicate the many ways table grapes, grape juice, and red or white wine may benefit heart health. Another animal study revealed that freeze-dried whole table grape powder may help significantly lower blood pressure in rats who were fed a high salt diet, bringing down the risk of heart failure or damage. In a study by researchers from the University of Connecticut, a grape-enriched diet for 12 weeks may have helped decrease plasma triglycerides, very-low-density lipoprotein (VLDL) cholesterol, and the concentration of cholesterol in the aorta of guinea pigs. Specifically, the fruits may have shown to protect the lining of blood vessels, reduce LDL oxidation, slow the progression of atherosclerosis, and reduce oxidative stress. Researchers found that the highest concentration of polyphenols was in the stems, leaves, and seeds. They may help reduce the risk of cardiovascular diseases.
Studies show that grapes contain several polyphenols such as resveratrol and quercetin that may have anti-inflammatory properties. It’s a common notion that grapes and red wine can be heart-healthy as they have antioxidants. Let’s look at the important health benefits of grapes.
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Flavonoids, like myricetin and quercetin, in grapes help reduce the damage caused by free radicals and slow down aging. They might also contain dietary fiber, healthy carbs, antioxidants, and a moderate amount of protein. They may have a high water content that can help keep the body hydrated. According to the USDA, they may also be rich in thiamine, riboflavin, niacin, and folate, and contain minerals like potassium, calcium, magnesium, phosphorus, and sodium. Grapes can be a great source of phytonutrients, mainly phenols, and polyphenols, and contain other important vitamins such as vitamins K, A, C, and B6.
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