Amaranth: A Nutritious Gluten-Free Grain Substitute

Updated on August 5, 2018
AliciaC profile image

Linda Crampton is a teacher with an honors degree in biology. She enjoys exploring nutrition as well as the culture and history of food.

One of the many types of amaranth plants
One of the many types of amaranth plants | Source

A Useful Grain Substitute

Wheat is the dominant grain used by many families in North American society. Rice, corn, and oats are also popular. Many other grains and grain-like foods are available, however. These foods provide an interesting variety of tastes and nutrients and make great alternatives to the usual choices. Amaranth is one of these useful alternatives. Its seeds can be used like a grain and have another very important benefit—they are gluten-free.

Gluten in a protein complex found in wheat, rye, and barley. Some people avoid gluten by choice and others avoid it by necessity. People with celiac disease must avoid the substance because it damages the lining of their small intestine. Amaranth is a great food choice for people with celiac disease and for everyone else.

Amaranthus caudataus, Love-lies-bleeding or Tassel flower; the red color is due to pigments called betacyanins
Amaranthus caudataus, Love-lies-bleeding or Tassel flower; the red color is due to pigments called betacyanins | Source

The Amaranth Plant

Amaranth belongs to the genus Amaranthus. The genus is the first part of the scientific name of a plant and the species is the second part. Fifty to seventy species of Amaranthus exist. The exact number depends on the classification scheme that's used. The genus is widespread and found in many countries.

The leaves and seeds of some Amaranthus species are used for food. The plants are valued for their resistance to drought. A few species are used as ornamental plants. Others are used to produce a red dye. Some are considered to be weeds.

Amaranth isn't closely related to grains. Unlike grains, which have long and narrow leaves, amaranth plants have broad leaves. Grains belong to the plant family called the Poaceae (formerly known as the Gramineae) within a group of flowering plants known as monocots. Amaranth belongs to the family Amaranthaceae within the plant group known as dicots.

(The) genus name comes from the Greek word amarantos meaning unfading in reference to the long-lasting flowers of some species.

— Missouri Botanical Garden

Flowers, Fruits, and Seeds

Amaranthus flowers are white, green, orange-brown, red-brown, or red in color, depending on the species. They usually occur in spikes, which sometimes hang from the flower stems. The seeds are tiny, but the spikes of a single plant produce many seeds. Some people grow their own amaranth at home, which can be enjoyable, but it may be time consuming to extract the tiny seeds from the flowers and the fruits.

As in other flowering plants, the seeds are covered with a husk, or chaff. The entire structure is technically known as a fruit. Gardeners often extract the fruits from a tassel by shaking the tassel or rubbing it between their hands. They say that once the fruits are gathered, they should be massaged between the hands to remove the chaff. The chaff can then be gently blown away.

Not all species of amaranth have red flowers. This is Amaranthus retroflexus.
Not all species of amaranth have red flowers. This is Amaranthus retroflexus. | Source

Amaranth is a fast-growing plant and has been used by humans since ancient times. Archaeological evidence indicates that the seeds were gathered as early as 4000 BC.

A Red Pigment and a Dye

A red pigment is extracted from the flowers of some amaranth plants and used as a food dye. The dye is used to color corn dough, alcoholic beverages, or other foods and drinks.

The artificial chemical known as amaranth dye has a color that resembles that of amaranth flowers but otherwise has no connection to the plant. In the United States, the FDA (Food and Drug Administration) has banned the use of the artificial dye because it's a suspected carcinogen.

Flour made from the seeds of the amaranth plant
Flour made from the seeds of the amaranth plant | Source

Uses of Amaranth Seeds

Historically, amaranth has been most popular in South America, Asia, and Africa. Now other parts of the world are discovering its benefits. The seeds are cream to brown in color, depending on the species. In some countries they are popped like popcorn. Honey or molasses is often added to the popped seeds to make a candy. The seeds are also ground into a flour and used to make a dough or a gruel. A gruel is made by boiling the flour in water or milk.

In North America, amaranth is sold as a whole "grain" that's ready to cook in boiling water or pop in a hot pan. It's also available in puffed form as a breakfast cereal or is incorporated with other grains in gluten-free cereals. The seeds are sometimes sprouted and are used to make beer. They have a distinctive and interesting taste, which I enjoy. The flavor is nutty but not overpowering.

Amaranth flour is present in breads sold by specialist bakeries and is sold in packages for home baking. The flour is good in recipes for bread, cakes, muffins, pancakes, and other foods. I often have some in my kitchen.

Amaranth seeds are unusually high in protein for a non-legume, running around 14 to 16% protein. Even better, the protein is well balanced in amino acids, and is high in lysine, an amino acid most grains are deficient in.

— Iowa State University Extension and Outreach

Nutritional Benefits of the Seeds

Amaranth seeds are a good source of protein. Depending on the species, the seeds generally contain between fourteen and sixteen percent protein. This is often (but not always) higher than the percentage in true grains. The protein in the seeds contains a significant quantity of the amino acid lysine. The amount of lysine in grains is very limited.

The seeds are also rich in minerals. They are an excellent source of manganese, a good source of magnesium, phosphorus, iron, selenium, copper, zinc, and calcium and a moderately good source of potassium. They also contain a good quantity of vitamin B6, folate, and fiber.

The seeds are lower in oil than many other edible seeds. Oil is extracted from amaranth seeds, however, and is used in cosmetics. Some evidence suggests that amaranth oil in the diet lowers the level of LDL cholesterol (the so-called "bad" cholesterol) in the blood. This idea needs to be explored further, however. The studies are old and were done with animals, not humans.

Amaranth seeds are small, as can be seen in this comparison of puffed amaranth (left) and puffed rice (right).
Amaranth seeds are small, as can be seen in this comparison of puffed amaranth (left) and puffed rice (right). | Source

Edible Leaves

Amaranth leaves are a popular vegetable in some parts of the world. They are often used like spinach in salads. They are also used in stir-fry recipes, soups, stews, and curries. I have never eaten the leaves, but apparently only the young ones are suitable for salads. Older ones taste bitter. The bitterness disappears when the leaves are cooked.

The leaves are an excellent source of vitamin C and of vitamin A in the form of beta-carotene. Our bodies change beta-carotene into the form of vitamin A that we need. Since beta-carotene is fat soluble, eating a small quantity of oil with the leaves will help the nutrient to be absorbed. The leaves are also a good source of vitamin B6, folate, and riboflavin.

Amaranth leaves are healthiest when used as a raw salad green. The amount of vitamin C decreases when the leaves are cooked. In addition, boiling the leaves causes water-soluble nutrients (vitamin C and the B family vitamins) to leach into the cooking water.

Like the seeds, the leaves are rich in minerals, including manganese, calcium, magnesium, potassium, potassium, and iron. They also contain copper.

About 3 million Americans have celiac disease, an autoimmune disorder that’s triggered when they eat gluten.

— WebMD

Gluten and Celiac Disease

In people with celiac disease, the ingestion of gluten leads to inflammation of the lining of the small intestine. In addition, it causes flattening of the villi located on the lining. Villi are tiny folds which absorb nutrients from digested food. When villi are absent, the absorption of nutrients decreases dramatically.

An autoimmune condition is one in which the immune system mistakenly attacks the body's own tissues. Celiac disease is an autoimmune condition, but someone with the disease must eat gluten before the attack on the intestine is activated.

As a result of the damage to the small intestine and insufficient absorption of nutrients, a person with celiac disease may experience a wide variety of symptoms. Continued inflammation caused by gluten exposure increases the risk of intestinal cancer. When the diet is free of gluten, the inflammation generally disappears and the villi are regenerated. The recovery takes time, however.

Since amaranth is both gluten-free and a versatile grain substitute, it's a great food for people who have celiac disease or another form of gluten intolerance. In baking, amaranth flour can be used on its own or mixed with other flours that lack gluten. Gluten-free recipes often use a combination of flours and other ingredients to approximate the effect of gluten, which gives doughs their elasticity.

Foraging for Wild Amaranth

Amaranth is cultivated in some areas, but it's also a wild plant. In my part of the world, wild amaranth is known as pigweed. Foraging for food can be an enjoyable activity, but if you intend to collect pigweed you should follow some important rules.

  • Ideally, go on your first foraging trip with an expert who has collected the plant before.
  • Be absolutely positive that you have identified a plant correctly and that it's edible. Look at several reference sources and color photos and make sure that they apply to the plants in your area.
  • Identify a plant by its scientific name, since different plants may have the same common name. The name "pigweed" applies to other plants besides amaranth, for example.
  • If there is any doubt about a plant's identity, don't eat the plant.
  • Plants are often easier to identify when they are mature and flowering.
  • Collect the plant in a clean area away from pollution and pesticides.
  • Never remove all the plants from an area. Leave some to reproduce and spread.
  • As you forage for wild plants, try to do as little damage to the habitat as possible.

The Grain of the Future

Amaranth is a nutritious and tasty food for people on a gluten-free diet, vegans, vegetarians, and everybody else. It's sometimes called the "grain of the future" because of its nutritional benefits. Foods containing amaranth may be found in some supermarkets, but the best choice of products is generally available at health food markets. It's worth trying this interesting grain substitute and considering adding it to the diet, whether or not you are gluten intolerant.

References

Amaranthus information from Better Homes & Gardens plant encyclopedia

Amaranthus caudatus from the Missouri Botanical Garden

Information about amaranth from Iowa State University Extension and Outreach

Nutrients in cooked amaranth grain from SELFNutritionData (Data obtained from the USDA, or the United States Department of Agriculture)

Nutrients in cooked amaranth leaves from SELFNutritionData

Information about celiac disease from WebMD

Foods for a gluten-free diet from the Mayo Clinic

Questions & Answers

    © 2013 Linda Crampton

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      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        Hi, The Dirt Farmer. I generally buy my amaranth in health food stores. At least where I live in Canada, they always have it.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        Hi, ChitrangadaSharan. Thank you very much for the comment and for sharing the information about amaranth in India.

      • The Dirt Farmer profile image

        Jill Spencer 

        3 years ago from United States

        I grow the red amaranth for the birds. I've never noticed it in the grocery stores here in the US, but you've made me curious!

      • ChitrangadaSharan profile image

        Chitrangada Sharan 

        3 years ago from New Delhi, India

        Great hub about Amarnath, very informative and useful!

        It is indeed very useful substitute for gluten sensitive people. It is grown and consumed in India as well.

        Thanks for sharing this valuable information in your hub!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        Hi, RTalloni. Thank you very much for the comment. I think that amaranth is definitely a useful plant!

      • RTalloni profile image

        RTalloni 

        3 years ago from the short journey

        Thanks much for this reminder! I have used amaranth in the past, but had forgotten about it. And wow, who knew the plants were so amazing. This hub is a great reference on a useful plant.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        It's definitely worth trying, Nikki!

      • Nikki D. Felder profile image

        Nikki D. Felder 

        3 years ago from Castle Hayne, N.C.

        Grain substitute, huh? Willing to give it a try!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        Hi, Vellur. Thank you for the comment and the vote. I appreciate your visit very much.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        3 years ago from British Columbia, Canada

        Thank you very much, thumbi7. I love amaranth, too! Thanks for the comment, vote and share.

      • Vellur profile image

        Nithya Venkat 

        3 years ago from Dubai

        Great information about Amaranth. Learned a lot about Amaranth and will incorporate it into my meals. Great hub, voted up.

      • thumbi7 profile image

        JR Krishna 

        3 years ago from India

        We eat a lot of amaranth and I love amaranth preparations

        Great article about its usefulness

        Voted up and shared

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Thanks for the vote and the share, vespawolf! I eat puffed amaranth with yogurt too. I've never tried popping quinoa but I've read about people doing it. Amaranth and quinoa seem to be versatile grains!

      • vespawoolf profile image

        vespawoolf 

        5 years ago from Peru, South America

        Amaranth is common here in Peru and although we eat it cooked and added to soups, I didn't know it could be popped at home! They do sell puffed amaranth here to eat with yogurt and fruit. I wonder if I could pop quinoa at home, too? Very interesting. Voted up and shared!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Thanks for the visit, Dianna. Amaranth is worth investigating!

      • teaches12345 profile image

        Dianna Mendez 

        5 years ago

        I had no idea this plan offered so much to the human body. Will have to look this up next time I am at the health food store. Thanks.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Yes, I know what you mean, unknown spy! The flower spikes do resemble cats' tails. Thnks for the comment.

      • unknown spy profile image

        IAmForbidden 

        5 years ago from Neverland - where children never grow up.

        looks like a Cat's Tail plants..

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Thank you for the comment and the vote, Eddy. Have a great day too!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Hi, Blossom. Popping amaranth is fun! I like quinoa, too. Thanks for the visit.

      • Eiddwen profile image

        Eiddwen 

        5 years ago from Wales

        Interesting;beautiful and useful.

        Voted up and enjoy your day.

        Eddy.

      • BlossomSB profile image

        Bronwen Scott-Branagan 

        5 years ago from Victoria, Australia

        I use quinoa, but I've never tried amaranth, although I've heard of it. I must try it. Popping it sounds like fun.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Hi, drbj. Thanks for the visit. I hope you enjoy amaranth if you try it!

      • drbj profile image

        drbj and sherry 

        5 years ago from south Florida

        Since amaranth appears to be so healthful, Alicia, I'll have to look for amaranth products in the market the next time I shop. Thanks for the heads up.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Hi, wabash annie. Thanks for the visit. I think that amaranth is a great addition to a gluten-free diet!

      • wabash annie profile image

        wabash annie 

        5 years ago from Colorado Front Range

        I'm always happy to find out about a gluten-free product. Thanks for the heads-up on this one!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Hi, Claudia. Thank you very much for the comment. I like the taste of amaranth, but it does taste unusual. I can understand why it wouldn't appeal to everybody!

      • Claudia Tello profile image

        Claudia Tello 

        5 years ago from Mexico

        I live in Mexico and strangely enough I have never seen Amaranth flour. How can this be!!!!? Nevertheless, I have eaten amaranth many times as a cereal with yoghurt and fruit, in energetic bars (which have a good protein content by the way) and in baked goods as an added cereal. It doesn't have a particularly nice taste but I love it because it really has an immediate positive effect on digestive health. Great that you wrote about it!

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Hi, Deb. I eat flakes made of amaranth mixed with other substances, and they are tasty. I'll have to look out for flakes containing only amaranth. Thanks for the visit.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Thank you for the visit and the comment, Martin.

      • aviannovice profile image

        Deb Hirt 

        5 years ago from Stillwater, OK

        I had never seen the plant or heard about popping the seeds, but I have had amaranth flakes, which is a fabulous breakfast cereal. The flavor is most unusual, a bit stronger than what many people are likely used to, but I need to get more. It has been a while. Maybe I can get some flour, and make some lovely muffins. Thanks for the reminder, Alicia.

      • Mhatter99 profile image

        Martin Kloess 

        5 years ago from San Francisco

        First I've heard of this. Thank you for the enlightenment.

      • AliciaC profile imageAUTHOR

        Linda Crampton 

        5 years ago from British Columbia, Canada

        Thank you, Bill. I very much appreciate your comments, especially so soon after I publish a hub! Amaranth isn't well known yet, except by people who are gluten intolerant. It's a very worthy grain substitute, though.

      • billybuc profile image

        Bill Holland 

        5 years ago from Olympia, WA

        I've never even heard of it. I had no idea it existed. Very interesting information, Alicia!

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