Quinoa has been cultivated in the Andes Incas for thousands of years. It has recently gained prominence around the world as a "super food" due to its high protein content. Although quinoa is high in protein content, it alone does not have enough protein to replace meat in the Western European diet, due to current cultivation, technological, and processing restrictions. Quinoa is also used by some people as a substitute for wheat, especially those on a gluten-free diet due to celiac disease or other conditions.
Other than its use as a food, there is insufficient evidence in humans to support the use of quinoa for any indication.
Evidence
DISCLAIMER:
These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider.
Tradition
WARNING:
DISCLAIMER:
The below uses are based on tradition, scientific theories, or limited research. They often have not been thoroughly tested in humans, and safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. There may be other proposed uses that are not listed below. Antioxidant, celiac disease, food uses, hypertriglyceridemia (elevated level of fatty acid compounds in the blood).
Dosing
Adults (18 years and older):
There is no proven effective dose for quinoa in adults.
Children (younger than 18 years):
There is no proven effective dose for quinoa in children.
Safety
DISCLAIMER:
Many complementary techniques are practiced by healthcare professionals with formal training, in accordance with the standards of national organizations. However, this is not universally the case, and adverse effects are possible. Due to limited research, in some cases only limited safety information is available.
Allergies
Avoid in individuals with a known allergy or hypersensitivity to quinoa (Chenopodium quinoa) or its constituents.
Side Effects and Warnings
Quinoa is likely safe when quinoa seeds are used in food amounts, as quinoa has been used as a food for thousands of years. Quinoa is usually washed after harvest and before preparation to remove a natural coating of saponins on the seeds. Available reports of adverse effects related to quinoa are lacking.
Pregnancy and Breastfeeding
Quinoa is not recommended in pregnant or breastfeeding women due to a lack of available scientific evidence.
Interactions
Interactions with Drugs
Quinoa may have antioxidant properties. Caution is advised when taking quinoa with other agents that have antioxidant properties.
Quinoa may lower triglyceride concentrations, compared to gluten-free bread and pasta. Caution is advised in patients taking triglyceride-lowering agents.
Interactions with Herbs and Dietary Supplements
Quinoa may have antioxidant properties. Caution is advised when taking quinoa with herbs and supplements that have antioxidant properties.
Quinoa may lower triglyceride concentrations, compared to gluten-free bread and pasta. Caution is advised in patients taking herbs or supplements that may lower triglycerides.
Attribution
This information is based on a systematic review of scientific literature, and was peer-reviewed and edited by contributors to the Natural Standard Research Collaboration (www.naturalstandard.com): J. Kathryn Bryan, BA (Natural Standard Research Collaboration); Nicole Giese, MS (Natural Standard Research Collaboration); Shaina Tanguay-Colucci, BS (Natural Standard Research Collaboration); Catherine Ulbricht, PharmD (Massachusetts General Hospital); Wendy Weissner, BA (Natural Standard Research Collaboration).
Bibliography
DISCLAIMER:
Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.
Berti C, Riso P, Brusamolino A, et al. Effect on appetite control of minor cereal and pseudocereal products. Br J Nutr 2005;94(5):850-858.
Berti C, Riso P, Monti LD, et al. In vitro starch digestibility and in vivo glucose response of gluten-free foods and their gluten counterparts. Eur J Nutr 2004;43(4):198-204.
Cook JD, Reddy MB, Burri J, et al. The influence of different cereal grains on iron absorption from infant cereal foods. Am J Clin Nutr 1997;65(4):964-969.
Dijkstra DS, Linnemann AR, van Boekel TA. Towards sustainable production of protein-rich foods: appraisal of eight crops for Western Europe. PART II: Analysis of the technological aspects of the production chain. Crit Rev Food Sci Nutr 2003;43(5):481-506.
Hurrell RF, Reddy MB, Burri J, et al. An evaluation of EDTA compounds for iron fortification of cereal-based foods. Br J Nutr 2000;84(6):903-910.
Inman-Felton AE, Rottmann LH. Should millet, buckwheat, and quinoa be included in a gluten-free diet? J Am Diet.Assoc 1999;99(11):1361.
Jung K, Richter J, Kabrodt K, et al. The antioxidative power AP--A new quantitative time dependent (2D) parameter for the determination of the antioxidant capacity and reactivity of different plants. Spectrochim.Acta A Mol.Biomol.Spectrosc. 3-13-2006;63(4):846-850.
Lee P. Should millet, buckwheat, and quinoa be included in a gluten-free diet? J Am Diet.Assoc 1999;99(11):1361.
Linnemann AR, Dijkstra DS. Toward sustainable production of protein-rich foods: appraisal of eight crops for Western Europe. Part I. Analysis of the primary links of the production chain. Crit Rev Food Sci Nutr 2002;42(4):377-401.
Ogungbenle HN. Nutritional evaluation and functional properties of quinoa (Chenopodium quinoa) flour. Int J Food Sci Nutr 2003;54(2):153-158.
Ruales J, de Grijalva Y, Lopez-Jaramillo P, et al. The nutritional quality of an infant food from quinoa and its effect on the plasma level of insulin-like growth factor-1 (IGF-1) in undernourished children. Int J Food Sci Nutr 2002;53(2):143-154.
Ruales J, Nair BM. Quinoa (Chenopodium quinoa willd) an important Andean food crop. Arch Latinoam.Nutr 1992;42(3):232-241.
Schollenberger M, Muller HM, Rufle M, et al. Survey of Fusarium toxins in foodstuffs of plant origin marketed in Germany. Int J Food Microbiol. 1-1-2005;97(3):317-326.
Thompson T. Case problem: questions regarding the acceptability of buckwheat, amaranth, quinoa, and oats from a patient with celiac disease. J Am Diet.Assoc 2001;101(5):586-587.
Valencia S, Svanberg U, Sandberg AS, et al. Processing of quinoa (Chenopodium quinoa, Willd): effects on in vitro iron availability and phytate hydrolysis. Int J Food Sci Nutr 1999;50(3):203-211.
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