Wednesday, August 18, 2010

Green Leafy Vegetables - Nutritional Powerhouses Eat Your Greens! By Laura Dolson, About.com


A nutrition professor once told me that it was common for our ancient ancestors to eat up to six pounds of leaves per day. He imagined them walking along from one place to another, just picking and eating leaves as they went. Can you imagine eating a grocery bag full of greens each and every day? Few of us even eat the minimum USDA recommendations of 3 cups of dark green vegetables per week. And yet, these veggies deliver a bonanza of vitamins, minerals, and phytonutrients.

Dark green leafy vegetables are, calorie for calorie, perhaps the most concentrated source of nutrition of any food. They are a rich source of minerals (including iron, calcium, potassium, and magnesium) and vitamins, including vitamins K, C, E, and many of the B vitamins. They also provide a variety of phytonutrients including beta-carotene, lutein, and zeaxanthin, which protect our cells from damage and our eyes from age-related problems, among many other effects. Dark green leaves even contain small amounts of Omega-3 fats.

Vitamin K:

* Regulates blood clotting
* Helps protect bones from osteoporosis
* May help prevent and possibly even reduce atherosclerosis by reducing calcium in arterial plaques
* May be a key regulator of inflammation, and may help protect us from inflammatory diseases including arthitis
* May help prevent diabetes

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