Quinoa | Description, Plant, Seeds, Domestication, History, & Nutrition (2024)

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Also known as: Chenopodium quinoa

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Melissa Petruzzello Melissa Petruzzello is Assistant Managing Editor and covers a range of content from plants, algae, and fungi, to renewable energy and environmental engineering. She has her M.S. in Plant Biology and Conservation...

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Quinoa seeds

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quinoa, (Chenopodium quinoa), plant species grown for its tiny edible seeds. Quinoa is not a true cereal, and its seeds are high in protein and fiber. The young leaves are also nutritious and can be eaten as a vegetable similar to spinach (to which it is related). The plant is native to the Andean region of South America, where it has been a staple crop for millennia. Touted for its health benefits, quinoa is now grown in a number of countries around the world, including the United States, Canada, Italy, Sweden, and India, but most of it is still grown in Peru and Bolivia.

Physical description

Quinoa is an annual herbaceous plant that can reach up to 3 meters (9.8 feet) in height, depending on the race. Its thick cylindrical stalk can be straight or branching and bears alternate leaves that range from lanceolate (tapering to a point) to roughly triangular. Both the stalk and the leaves fade in color from green to yellow, red, or purple as they age.

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Taxonomy

  • Kingdom: Plantae

  • Clade: Angiosperm

  • Order: Caryophyllales

  • Family: Amaranthaceae

  • Genus: Chenopodium

See also list of plants in the family Amaranthaceae

Its flowers are small and apetalous (lacking petals) and grow clustered in racemose (simple and unbranching) inflorescences. The flowers are mostly bisexual or pistillate (female) and are generally self-pollinated, though some cross-pollination does occur. The tiny seeds, produced in achene fruits, are about 2 mm (0.08 inch) in diameter and can be white, red, yellow, purple, brown, or black. Quinoa has an extensive branching taproot that can be up to 1.5 meters (5 feet) deep and promotes drought resistance. The plants are also frost-resistant and salt-tolerant and can be grown in poor soils, making the species attractive to numerous food security programs and to agricultural researchers as an alternative crop. The U.S. National Aeronautics and Space Administration (NASA) has expressed interest in quinoa for its potential to be grown aboard spacecraft to support crews on long-term missions.

History

Quinoa is endemic to the Andes highlands and ranges from Colombia to northern Argentina to southern Chile. An ancient crop, the species is thought to have been independently domesticated multiple times throughout its range some 3,000–5,000 years ago. Together with corn (maize) and potatoes, quinoa was a staple to pre-Columbian Inca, Aymara, and Quechua peoples, among others. Although early Spanish explorers returned to Europe with maize and potatoes, quinoa was not similarly introduced. It has been speculated that the Spanish perhaps rejected the crop because of its religious importance to the Indigenous peoples or possibly sampled it without first removing the saponins, the bitter chemicals in the seeds that protect them against being eaten. Later colonization of the region brought foreign grains such as wheat and barley, which were less labor-intensive and led to a decline in quinoa production. Until the late 20th century the plant was largely viewed as a marginal crop and was grown primarily by poor subsistence farmers in Bolivia and Peru.

Nutrition and uses

Since its promotion by American entrepreneurs David Cusack, Steve Gorad, and Don McKinley and by agricultural researcher Duane Johnson in the late 1970s, quinoa has been hailed as a superfood and has grown in popularity around the world. Compared with traditional cereals, quinoa contains all nine essential amino acids, making it one of the few plant sources of complete protein. The seeds are also high in fiber and oil and are a good source of iron, magnesium, phosphorus, potassium, calcium, zinc, copper, vitamin E, and a number of antioxidants. The seeds have a slightly nutty flavor and are similar to brown rice in texture. Extremely versatile, quinoa can be used in any number of sweet or savory dishes and is commonly boiled like rice or ground as a flour to fortify baked goods. Its nutritious young leaves can be steamed or sautéed and are similar in taste and texture to spinach or beet greens.

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Quinoa has several industrial applications due to its high levels of bitter saponins. Found on the outside of the seeds, the saponins are cardiac glycosides (organic compounds that interfere with heart contractions) that must be processed from most varieties prior to consumption, usually by mechanically removing the pericarp (ovary wall) or by soaking in water. Those waste saponins can then be used to produce pharmaceuticals, such as synthetic steroids, and can be used in soaps, detergents, cosmetics, beer production, and fire extinguishers.

Melissa Petruzzello

Quinoa | Description, Plant, Seeds, Domestication, History, & Nutrition (2024)

FAQs

Quinoa | Description, Plant, Seeds, Domestication, History, & Nutrition? ›

Quinoa is not a true cereal, and its seeds are high in protein and fiber. The young leaves are also nutritious and can be eaten as a vegetable similar to spinach (to which it is related). The plant is native to the Andean region of South America, where it has been a staple crop for millennia.

What is the history of the quinoa plant? ›

Existing historical evidence indicates that its domestication by the peoples of America may have occurred between 3,000 and 5,000 years BCE. There are archeological discoveries of quinoa in tombs of Tarapacá, Calama and Arica in Chile, and in different regions of Peru.

Is it okay to eat quinoa every day? ›

You can eat one-two cups of cooked quinoa in a day. You should avoid eating it if you experience stomachache, itchiness or vomiting after consuming it. A study by Harvard Public School of Health has reported that eating a bowl of quinoa daily is healthy and without any side effects.

Why is quinoa the mother of all grains? ›

Chenopodium quinoa (keen-wa; Chenopodiaceae/Amaranthaceae) is known as the mother grain of the Incas. It has higher protein content than the cereals (Poaceae) and has a high lysine content (contrast with cereals: low lysine). It is easy to grow and harvest and does not suffer from the same diseases that attack cereals.

Who domesticated quinoa? ›

Quinoa (the name is derived from the Spanish spelling of the Quechua name kinwa or occasionally "Qin-wah") originated in the Andean region of Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru, where it was successfully domesticated 3,000 to 5,000 years ago for human consumption, though archeological evidence shows ...

What is the lifespan of quinoa plant? ›

Although considered a pseudocereal for not belonging to the Poaceae family, Quinoa has a comparable nutrient composition regarding fiber, minerals, and protein. pH ranging from 4.5 - 9.5, and its life cycle can be anywhere from 90-220+ days depending on cultivar and temperature.

Is quinoa healthier than rice? ›

Quinoa is rich in both fiber and protein, contains a much higher amount of other nutrients, and has a similar fluffy texture to the rice. A cup of quinoa contains twice more protein and about 5 g more fiber than white rice. Quinoa contains fewer calories and carbohydrates than white rice.

Is there any downside to quinoa? ›

Allergy to other foods used as grains: Quinoa may cause an allergic reaction in people who are sensitive to foods used as grains, such as buckwheat, wheat, and rice. If you have allergies to grains, be sure to check with your healthcare provider before using quinoa.

What does quinoa do to your gut? ›

Studies suggest quinoa may improve gut health by enhancing the diversity of beneficial gut bacteria and reducing the inflammatory symptoms of conditions like colitis. Acting as a prebiotic, quinoa supplies the fuel for beneficial gut bacteria, allowing them to thrive.

Does quinoa spike blood sugar? ›

Quinoa has a glycemic index of around 53, meaning it won't cause as dramatic a spike in blood sugar. This is because it contains fiber and protein, both of which slow the digestion process. Most grains don't have all the amino acids needed to make a protein.

Why is quinoa considered controversial? ›

Firstly, quinoa is grown and stored in close proximity to chamtez grains, and there is a concern that chametz grains may have mixed in to the quinoa grains.

Did the Aztecs eat quinoa? ›

Packed with more protein and minerals than almost all other foods, quinoa (pronounced “keen-woh”) is an ancient grass, and its seeds were a primary food group in the diet of the ancient Mayans and Azetcs.

Which is the best quinoa to eat? ›

If you've never eaten quinoa, Foroutan suggests trying white quinoa first because it has the mildest taste. Or you might look for a blend of red, black, and white quinoa to get as many antioxidants as possible; levels of these beneficial ingredients vary according to the color of the seeds (red has the highest levels).

What is a fun fact about quinoa? ›

Quinoa wears two hats. Although prepared and eaten as a grain, quinoa is actually a flowering plant grown primarily for its edible seeds. The quinoa seed is a complete protein, meaning it contains all 9 essential amino acids necessary for good health.

Which country eats the most quinoa? ›

Consumption By Country

The countries with the highest volumes of quinoa consumption in 2018 were Bolivia (40K tonnes), Peru (34K tonnes) and the U.S. (29K tonnes), with a combined 71% share of global consumption.

Did Native Americans eat quinoa? ›

Quinoa Is An Ancient Food

It's been at the forefront in these regions for 5,000 years. It was a staple for the Incas and is still a prominent food source for their indigenous descendants, the Quechua and Aymara people. It was a sacred crop to the Incas who called it the mother of all grains or chisaya mama.

What are some fun facts about the quinoa plant? ›

Quinoa is not a true cereal, and its seeds are high in protein and fiber. The young leaves are also nutritious and can be eaten as a vegetable similar to spinach (to which it is related). The plant is native to the Andean region of South America, where it has been a staple crop for millennia.

What is the legend of quinoa? ›

To the Incas, quinoa (Chenopodium quinoa) was a food so vital that it was considered sacred. In their language, Quechua, it is referred to as chisiya mama or mother grain. Each year, the Inca emperor broke the soil with a golden spade and planted the first seed.

Why was quinoa considered a sacred food? ›

Over five thousand years ago the Indigenous peoples of the Altiplano regarded quinoa as more valuable than gold. The Incas considered quinoa to be their most sacred food, which contained spiritually enhancing qualities, and so named it 'La Chisiya Mama', or 'The Mother Grain'.

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