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Health & Nutrition

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Health & Nutrition

Two research studies on commonly consumed beverages found that Concord Grape Juice had one of the highest concentrations of polyphenols among the juices tested.  In a study conducted at the University of Glasgow,¹ Welch’s Purple Grape Juice (made from Concord grapes) had the highest polyphenol concentration  among the 13 juice and juice drinks tested, including two other grape juices.  The Purple Grape Juice also contained the largest number of polyphenol compounds.  In another study, Seerem and colleagues reported that Concord Grape Juice was among the juices with the highest average polyphenol concentration (see chart above).²”  

¹Mullen W, Marks SC and Crozier A. Evaluation of Phenolic Compounds in Commercial Fruit Juices and Fruit Drinks. J Agric Food Chem. 2007. 55:3148-3157.  ² Seeram NP, Aviram M, Zhang Y, Henning SM, Feng L, Dreher M and Heber D. Comparison of Antioxidant Potency of Commonly Consumed Polyphenol-Rich Beverages in the United States. J Agric Food Chem. 2008. 56(4):1415–1422.

 

HEALTH BENEFITS OF CONCORD GRAPE

Health and Nutrition Glossary

Go to: http://www.welchs.com/health-and-nutrition/glossary#phytonutrients  (use same links)

Antioxidants are compounds in foods and beverages that can help protect healthy cells from the damaging effects of oxidative stress, a condition that may, over time, have an impact on health. Vitamins C, E and A (as beta carotene), and the mineral selenium, and certain phytonutrients (such as polyphenols) can act as antioxidants.

Concord grape is a hearty American grape with a thick, dark purple skin and seeds that naturally have plant nutrients (phytonutrients) called polyphenols. Not only do polyphenols give Concord grapes their vibrant color, these plant nutrients also act as antioxidants and deliver benefits to promote health. Seedless grapes, like red table grapes, do not appear to contain the same quantity of these polyphenols.

Flavonoids are the largest and most studied subgroup of polyphenols and represent the vast majority of the polyphenols found in both the Niagara and Concord grapes. There are thousands of different flavonoids in fruits, vegetables and certain plant-derived beverages (i.e., teas and juices). Many of these flavonoids act as antioxidants and are becoming popular because of emerging science that suggests flavonoids may have health-supporting effects.

Macronutrients are nutrients the body needs in large quantities, like carbohydrates, fats and proteins.

Micronutrients are nutrients the body needs in smaller quantities, like vitamins, minerals and trace elements.

Niagara grape is a hearty American grape, and like its cousin the Concord, it is a seeded grape with natural plant nutrients (phytonutrients) called polyphenols. Seedless grapes, like green table grapes, do not appear to contain the same quantity of these potentially health-supporting phytonutrients.

Nutrients are compounds needed for human growth and development.

Oxidative stress is a condition that can damage healthy cells. It has been identified as a possible contributor to certain chronic health problems.

Phytonutrients are plant-based nutrients that appear to have health-supporting effects but are not considered essential for human survival. Fruits, vegetables, grains, legumes, nuts and teas have these compounds, which are being actively studied for their potential impact on health.

Polyphenols are a subgroup of phytonutrients. They are found in foods like onions, tea, red wine, grapes, and certain nuts. Polyphenols naturally protect plants against pathogens, parasites and predators, and often contribute to the flavor and color of fruits and vegetables. More research is necessary to determine their impact on human health.

Resveratrol is a natural compound (a polyphenol) that can sometimes be found in the skin of grapes — with more found in dark grapes found in cooler climates, with less sunlight and more rainfall. Certain plants produce resveratrol in response to environmental stress like fungal infections. Scientists became interested in studying resveratrol as part of the possible link to the French paradox.

 

Power of Purple

If there’s one rule to remember about healthy eating, it’s to paint your plate with lots of color. Colorful fruits and vegetables offer essential vitamins, minerals and beneficial plant nutrients, like polyphenols. And, while it’s certainly important to eat a rainbow of produce, it’s worth paying attention to the purples and blues.

According to an analysis of the diets of more than 15,000 adults and children, consuming purple and blue foods, such as Concord grapes and 100% grape juice, may help Americans get more of the nutrients they need each day and have overall healthier diets.1 In general, adults and children who consumed purple and blue produce ate more fruit and had healthier diets compared to non-purple and blue produce eaters.1 Unfortunately, according to the Produce for Better Health Foundation, only 3% of Americans' fruit and vegetable intake is from the purple and blue category.2

References

1.       McGill CR, Wightman JD, Fulgoni S and Fulgoni III VL. Consumption of Purple/Blue Produce is Associated with Increased Nutrient Intake and Reduced Risk for Metabolic Syndrome: Results From the National Health and Nutrition Examination Survey 1999-2002. Am J Lifestyle Med. May/June 2011. 5(3):279-290.

2.       Produce For Better Health Foundation. State of the Plate Study on America's Consumption of Fruits and Vegetables. Wilmington, Delaware. 2003.

 

A recent Welch’s survey found that two-thirds of Americans recognize that red wine, salmon, oatmeal, or olive oil are heart-healthy foods; however, a fraction of these same shoppers buy these foods on a monthly basis.1 To add to that, only 29% of those surveyed were aware that they can get many of the same natural plant nutrients that are in red wine from grape juice made with Concord grapes.

Indeed the Concord grape is a little purple fruit that packs quite a nutrition punch. That's because Concord grapes have natural plant nutrients called polyphenols — and research suggests that certain polyphenols may play a role in supporting heart health. To add to that, more than a decade’s worth of research suggests that drinking 100% grape juice made with Concord grapes can help support a healthy heart.

 

Concord Grapes & Health  (from www.grapescience.com)

Learn more about grapes and cardiovascular health

http://www.grapescience.com/concord-grapes-and-health/

Learn more about grapes and cognitive health

http://www.grapescience.com/concord-grapes-and-health/

 

Learn more about grapes and immune system health

http://www.grapescience.com/concord-grapes-and-health/

 

Two research studies on commonly consumed beverages found that Concord Grape Juice had one of the highest concentrations of polyphenols among the juices tested.  In a study conducted at the University of Glasgow,¹ Welch’s Purple Grape Juice (made from Concord grapes) had the highest polyphenol concentration  among the 13 juice and juice drinks tested, including two other grape juices.  The Purple Grape Juice also contained the largest number of polyphenol compounds.  In another study, Seerem and colleagues reported that Concord Grape Juice was among the juices with the highest average polyphenol concentration (see chart).²

References:

¹ Mullen W, Marks SC and Crozier A. Evaluation of Phenolic Compounds in Commercial Fruit Juices and Fruit Drinks. J Agric Food Chem. 2007. 55:3148-3157.

² Seeram NP, Aviram M, Zhang Y, Henning SM, Feng L, Dreher M and Heber D. Comparison of Antioxidant Potency of Commonly Consumed Polyphenol-Rich Beverages in the United States. J Agric Food Chem. 2008. 56(4):1415–1422.

 

 

 

 

 

 

 

 

 

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