Grapes are a source of nutrition and essential nutrients. They provide vitamins A, C, E, K and B6 along with other minerals such as potassium, calcium and magnesium. Grapes contain compounds called flavonoids which have been shown to protect against various diseases including cancer. Flavonoids may also help prevent or treat heart disease, diabetes mellitus type 2 (T2DM), Alzheimer’s disease (AD) and Parkinson’s disease (PD).
The leaves of grapes contain many different chemicals. These include anthocyanins, flavonols, ellagic acid and others. Anthocyanins are pigments found in red fruits such as apples, pears and cherries.
Flavonol is a class of chemical compounds that includes flavones and flavanones. Ellagoyl alcohols are another group of chemicals found in grapes such as ellagic acid and quercetin.
Some of these chemicals are known to have anti-cancer properties. Some studies suggest that they may even inhibit tumor growth. Other research suggests that they may have antioxidant effects.
Ellagoyl alcohols are also used in cosmetics and pharmaceutical products. Quercetin is a natural compound found in berries such as blueberries, blackberries, cranberry and raspberry fruit. It has been studied for its potential benefits in treating cancer and other illnesses.
Grapes, and particularly red grapes contain many different types of antioxidants. These are chemical compounds that may prevent certain types of cell damage. This may help to prevent or treat cancer and other conditions such as heart disease and age-related decline.
Other evidence suggests that some of these compounds may help to prevent heart disease and lower blood sugar levels in people with type 2 diabetes.
Grapes contain a group of chemicals called resveratrol, flavonoids and anthocyanidins. These substances may help to prevent heart disease and cancer. They may also have anti-inflammatory and anti-aging properties.
Grapes may protect against memory loss and age-related mental decline. They are also thought to have beneficial effects on eye health.
Grapes also contain a group of chemicals called proanthocyanidins (also known as OPCs). These may reduce the risk of blood clotting. They are also thought to help break down harmful fats in the blood.
Grapes are one of the best sources of these compounds. Other good sources include blueberries, cranberries and black currants.
Resveratrol is another group of plant chemicals found in the skin of grapes. It is an antioxidant that may help prevent cell damage. The skin of grapes has the highest concentration of resveratrol.
Other good sources include blueberries and peanuts.
Grapes have been used to treat various types of cancer including leukemia, multiple myeloma, pancreatic cancer, ovarian cancer, prostate cancer and skin cancer. Grapes and grape juice may also be useful in treating heart disease, Alzheimer’s disease and other age-related diseases. They may also help prevent eye disorders such as cataracts.
The chemicals found in grapes have been used as an alternative treatment for heart disease, asthma, stroke and even cancer. Further research is needed to determine whether these benefits are accurate and effective.
Grapes may also help to increase HDL cholesterol (the good cholesterol) while decreasing LDL cholesterol (the bad cholesterol). Eating grapes or drinking their juice may lower blood pressure.
Grapes are a good source of flavonoid antioxidants such as catechin, quercetin and proanthocyanidins (OPCs). These help to fight cell-damaging free radicals. They may also lower the risk of developing heart disease, stroke and cancer.
Grapes and their juice may help prevent blood clots from forming. They may also increase the rate at which blood platelets clump together to block clots.
Sources & references used in this article:
Anti-HIV-1 activity of herbs in Labiatae by K Yamasaki, M Nakano, T Kawahata… – Biological and …, 1998 – jstage.jst.go.jp
Chemical Composition as Identified by GC-MS and Antioxidant Activity of Grapefruit Mint Essential Oil by J WANG, R LI, Z JIANG – Food Science, 2013 – en.cnki.com.cn
PREPARATION OF ANTIOXIDANT RICH LEMONGRASS AND GINGER FLAVOURED VALUE ADDED GRAPEFRUIT BEVERAGES by L Khongsai, R Dubey, S Sheikh – The Allahabad Farmer, 2017 – allahabadfarmer.org
Florida crop/pest management profiles: citrus (oranges/grapefruit) by MA Mossler – EDIS, 2011 – journals.flvc.org
Chemical composition and functional properties of essential oils from Mentha species by A de Sousa Barros, SM de Morais, PAT Ferreira… – Industrial Crops and …, 2015 – Elsevier
Activities of ten essential oils towards Propionibacterium acnes and PC-3, A-549 and MCF-7 cancer cells by Y Zu, H Yu, L Liang, Y Fu, T Efferth, X Liu, N Wu – Molecules, 2010 – mdpi.com
Pigments in mint leaves and stems by E Straumite, Z Kruma, R Galoburda – Agronomy research, 2015 – researchgate.net