Grapes are an excellent source of many nutrients, like vitamins A, C, B6, foliate, and they also contain minerals like potassium, magnesium, iron, calcium and selenium. They also contain flavonoids, which are antioxidants and are very important in fighting the free radicals that cause many conditions and diseases.
Grapes can be helpful for persons who suffer from asthma, by increasing the moisture in the lungs.
Heart disease is another field where grapes are useful. They increase the levels of nitric oxide in blood and thus prevent clotting. Grapes also help reduce cholesterol levels.
A juice made of ripe grapes taken in the morning may prevent migraine attacks.
Grapes provide an excellent relief for constipation. They are rich in organic acid, cellulose and sugar and are considered a good natural laxative. They are also beneficial for people who suffer from indigestion, by alleviating the dyspepsia and irritation in the stomach.
Juice made of light and white grapes, without adding water, restores the levels of iron in the body and therefore provides an energy boost after periods of fatigue due to iron deficiency. However, juice made from dark grapes does not contain as much iron and can even reduce its levels in the body.
Grapes are also a source of antioxidants, which is important for repairing the immune system, for fighting the free radicals and to prevent illnesses and signs of aging.
Grapes are beneficial for kidneys as well. They reduce the acid in the urinary system so that the kidneys do not have to work too hard.
A recent study has shown that, in laboratory conditions, juice from the pink Concord grapes significantly reduces the risk of breast cancer. Grapes also slow down and inhibit the growth of cancer cells in other cancers as well, especially in colorectal cancer.
A polyphone called resveratrol that can be found in grapes is important for patients with Alzheimer’s disease because it lowers the levels of amyloidal-beta peptides. Furthermore, grapes improve brain functions and postpone the beginning of some neurodegenerative diseases.
Macular degeneration is a condition that appears mostly in elderly persons and affects the sight. Some studies have shown that grapes prevent this condition as well as other conditions and diseases that affect the eyes, like cataract.
Grapes have antibacterial and antiviral qualities and are important during the flu and cold season as they prevent the infection and help the body fight off organisms that cause it. Red grapes are particularly effective against poliovirus and herpes simplex.
Dried grapes, known as raisins, are very beneficial as well, especially for constipation, fever, anemia, acidosis, and they help restore the sexual vigor.