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Green peas: Surprisingly good souces of phytonutrients and protein

Green peas
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(NaturalNews) The common green pea, which is the seed of the Pisum sativum plant, has been a staple food across the world for centuries. Indeed, archaeologists have found that peas were regularly consumed as far back as the late neolithic era of modern Syria, Turkey, Jordan and Greece. Immature peas were also a popular food in medieval Europe, whose inhabitants often incorporated them into soups and gruel.

Due to their small size, sweet taste and starchy textures, a lot of people assume that peas are average in the nutrition department. In reality, however, peas are extraordinarily dense in nutrients -- far more so, in fact, than many other prominent vegetables.

Rich in cancer-fighting coumestrol

As their green color indicates, peas are rich in numerous disease-fighting phytonutrients. One of these bioactive chemicals is coumestrol, a polyphenol that has been linked to cancer prevention. One study published in the International Journal of Cancer in September 2009, for instance, found that the daily consumption of peas and other legumes could significantly reduce the risk of stomach cancer, particularly if the individual obtained more than 2 milligrams of coumestrol per day from them. (1)

Additional phytonutrients

Peas are also rich in saponins (pisumsaponins I and II, and pisomosides A and B), phenolic acids (caffeic and ferulic acid) and several flavanols (including catechin and epicatechin). Most of these phytonutrients possess antioxidant and anti-inflammatory properties, and have been known to prevent degenerative diseases like Alzheimer's disease, arthritis and age-related macular degeneration. Antioxidants also provide anti-aging benefits, since they scavenge the free radicals responsible for damaging DNA and cells.

Possible secret to longevity

In his 2008 book The Blue Zones: Lessons for Living Longer From the People Who've Lived the Longest, the American writer and explorer Dan Buettner found that legumes such as peas were a staple food amongst the world's longest-living people. (2) In fact, virtually all of the centenarians that Buettner's team examined consumed legumes on a daily basis. Could the dense concentrations of phytochemicals in most legumes help explain this longevity?

Tackle blood pressure and kidney disease

A Canadian study featured in Medical News Today in 2009 found that pea protein could function as a natural remedy for high blood pressure and chronic kidney disease. When fed a pea protein extract daily for eight weeks, rats suffering from severe kidney disease exhibited a 20 percent reduction in blood pressure compared to the control group. Since high blood pressure is the second leading cause of kidney disease in the United States after diabetes, the study's lead researcher, Dr. Rotimi Aluko, concluded that pea protein could directly prevent kidney disease by stabilizing blood pressure. (3)

Dense in nutrients

One cup of cooked peas supplies the body with 26 percent of the recommended daily intake (RDI) of the vision and immunity booster vitamin A, 38 percent of the RDI of the powerful disease destroyer vitamin C and 52 percent of the RDI of the blood booster vitamin K. They also contain huge amounts of fiber, omega-3 fatty acids (mostly in the form of alpha-linolenic acid) and many essential minerals and B vitamins. (4) Peas also boast twice the amount of protein of most other green vegetables. In fact, pea protein contains a similar amino acid profile to whey protein, which bodybuilders often use as a protein supplement.

Sources for this article include:

(1) http://www.ncbi.nlm.nih.gov

(2) http://www.bluezones.com [PDF]

(3) http://www.medicalnewstoday.com

(4) http://nutritiondata.self.com


About the author:
Michael Ravensthorpe is an independent writer whose research interests include nutrition, alternative medicine, and bushcraft. He is the creator of the website, Spiritfoods, through which he promotes the world's healthiest foods.

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