Thursday, May 15, 2008

What Are Chia Seeds?

These healthful, edible seeds are a better source of omega-3 fatty acids than flaxseed (the fats protect against inflammation and heart disease). Chia seeds come from the desert plant Salvia hispanica, a member of the mint family that grows in southern Mexico.

In pre-Columbian times, chia seeds were a component of the Aztec and Mayan diets and the basic survival ration of Aztec warriors; they even played a role in religious ceremonies. Supposedly, 1 tablespoon of the seeds could sustain a person for 24 hours. The Aztecs also used chia medicinally to relieve joint pain and skin conditions.

Unlike flaxseed, chia seeds can be stored for long periods without becoming rancid and don't require grinding (whole flaxseed is tough to digest). Chia provides fiber (about 2 tablespoons--25 g--give you 7 g of fiber) as well as other important nutrients, including calcium, phosphorus, magnesium, manganese, copper, niacin, and zinc.

Very few formal studies have looked at chia's benefits, although I expect that more will soon. In a preliminary study from the University of Toronto, researchers fed 21 diabetics either a supplement made from chia or grains with similar fiber content. After 3 months, blood pressure in patients taking chia dropped (10 points diastolic, 5 points systolic) while the grain group's BP remained steady.

You can sprinkle ground or whole chia seeds on cereal, yogurt, or salads; eat a handful of whole seeds as a snack; or grind them up and mix with flour when making muffins or other baked goods.

Or make your own "chia fresca," a drink popular in Mexico and Central America: Stir 2 teaspoons of the seeds into 8 to 10 ounces of water (you'll end up with a slightly gelatinous liquid). Add lime or lemon juice and sugar to taste, and enjoy.

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