Ancient grains make healthful, tasty cookies

March 17, 2016 by Sandra Avant
Amaranth seeds (left), amaranth flour (right), above the final product, amaranth cookies. Credit: Diejun Chen

More people are becoming aware of the health benefits of ancient grains and seeds, such as amaranth and chia seeds, but incorporating them into one's diet is not always easy. That could change in the near future as Agricultural Research Service (ARS) scientists explore the physical properties of these foods, blending mixtures to make treats like sugar cookies that are tasty and good for your health.

At the ARS National Center for Agricultural Utilization Research (NCAUR) in Peoria, Illinois, scientist George E. Inglett and his assistant Diejun Chen have developed amaranth-oat and chia-oat composites that may be used to create foods with that include lowering the occurrence of heart problems, diabetes, and obesity.

Amaranth flour contains lysine, an essential amino acid, and oats contain beta-glucan, known for lowering . The researchers blended the two ingredients to make nutritious, gluten-free sugar cookies.

The team compared the amaranth-oat composite cookies and doughs with those made with amaranth or alone. Amaranth and its composites had improved water-holding capacities compared to wheat flour. Differences were found in the hardness and shape of doughs and cookies. There were no significant differences in color and flavor among all cookies.

"Our amaranth-oat cookies were acceptable in all aspects. They had improved nutritional value and along with gluten-free uniqueness," says Inglett, who works in NCAUR's Functional Foods Research Unit.

Technician Diejun Chen (left) and chemist George Inglett inspect sugar cookies they made with amaranth and oat products. Credit: Z. Lewis Liu

The same can be said for cookies made from the chia-oat composites. Scientists dry-blended Nutrim (a commercial product developed by Inglett that is made from barley or oats), oat bran concentrate, and whole wheat flour with finely ground chia to come up with the powdery mixture.

"Whole chia seeds are not easily absorbed in our systems because of their hard outer coats, but they are pretty good when ground in with other components," Inglett says. "Chia seeds have some very interesting compositions—high oil and rich in polyunsaturated fatty acids, particularly omega 3, that help lower blood cholesterol and prevent coronary heart disease."

In addition to Nutrim, Inglett also developed Oatrim, used as a fat replacement in baked foods; Z-Trim, a zero-calorie insoluble fiber gel that is prepared from high-fiber agricultural products like corn and oat hulls; and Calorie ControlTrim, which contains 20 to 50 percent beta-glucan.

Whole chia seeds. ARS scientists used ground chia seeds as an ingredient in their nutritious cookies. Credit: Al Probyn

In recent studies, Inglett found that the amaranth-oat and chia-oat composites have excellent physical properties, which contribute to improved cookie texture, and their nutritional qualities may be valuable in healthful foods.

"Oats are good for you, but we don't get enough. I try to make oats more palatable and available not only for breakfast, but also for lunch and dinner," Inglett says. "That's what my research has been all about over the years—making nutritious food to promote better health."

Explore further: Inventing New Oat and Barley Breads

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