Which grapes have more antioxidants

To compare red grapes to black grapes, one cup of black seedless grapes contains only 60 calories versus for red grapes. In addition, you won't get hit with as many carbohydrates or total sugars, according to the USDA.

Here is the black grape nutrient breakdown, and how they contrast with red grapes:. You'll also find grams of vitamin A in black grapes, which you won't find in red grapes at all. Read more: Ready to Adopt a Mediterranean Diet? All colors of this fruit offer health benefits, but studies show that eating black, dark red or purple grapes will give the biggest boost to your wellbeing:.

Antioxidant and anti-cancer properties : The skin of dark-colored grapes contain resveratrol, which is found to reduce inflammation and have a chemopreventive and chemotherapeutic effect on cancers , according to a September review in NPJ Precision Oncology. Compounds to reduce cholesterol: Consuming red grapes can help protect against cholesterol. Here is everything you need to know about grapes from its health benefits to unique culinary uses. Serving Size : 1 cup g.

Some specific health benefits of grapes include:. Aside from differences in color and taste, you may be wondering if the different colors of grapes have different nutritional benefits. However, green grapes do contain an array of other polyphenols and may have a different mix of other types.

But in the scheme of drinks, wine is the richest in antioxidants. Red grapes, which are used to make red wine, contain larger amounts of antioxidant phytonutrients. Consuming red wine also offers more nutritional benefits than white wine due to it having a longer contact with the skin, stem, and seeds of the grape during the production process. Research has shown that this contact increases the polyphenolic content up to fold compared with white wine.

If consumed, grapes can cause kidney damage—sometimes acute kidney failure—in dogs. When it comes to humans, there are few risks associated with grapes. A small-scale study published in the British Journal of Nutrition looked at 12 older adults who had memory issues but not dementia. The study found that those who drank one or two cups of Concord grape juice every day for 12 weeks showed "significant improvement of verbal learning" compared to those who did not. Another study, published in the Journal of Nutrition in reported similar findings.

According to a review in the Journal of Nutrition , studies have shown that grapes and grape-based products are "excellent sources of various anticancer agents. Many studies have linked resveratrol to inhibiting breast cancer cell growth and spread, according to a Molecular Nutrition and Food Research article. Animal studies have linked grape seed extract to reduced occurrences of prostate cancer in animals, and a study published in Nutrition and Cancer found that a compound in grape seed extract blocked prostate cancer cell growth.

Both grape seed extract and resveratrol were suggested to be effective killers of colon cancer cells in the lab, according to a study published in Frontiers in Bioscience. Vitamin K may play a role in keeping bones strong and preventing breaks or fractures.

A study published in the American Journal of Clinical Nutrition found that women who consumed at least micrograms of vitamin K daily were 30 percent less likely to break a hip than women who consumed a lesser amount. According to a study in Nutrition , vitamin K increases the effectiveness of osteocalcin, a protein involved in bone mineralization, and promotes healthy calcium balance.

Research suggests that copper also helps maintain strong bones. A study in the Proceedings of the Nutrition Society explained that copper is essential for enzymes involved in the synthesis of bone components, and could possibly help prevent bone loss.

You want to eat grape skins — it's where the majority of the nutrients are. But grape skins can be covered in pesticides. Grapes rank sixth on the Environmental Working Group's Dirty Dozen list, which compiles the fruits and vegetables with the most pesticides in the United States. Be sure to wash your grapes thoroughly, or try buying organic grapes.

Wine, especially red wine, contains many of the same nutrients as grapes, but be sure not to overdo it. Rumsey suggests limiting your vino intake to one glass a day for women and two for men.