Buckwheat: A Super Pseudograin

Key Topics: Digestive Health
August 18, 2017 • 4 min read

The buckwheat plant has a long history of medicinal uses, and the health benefits still exist in the dehulled buckwheat seeds we eat today.

The common buckwheat, or Fagopyrum esculentum, is an annual herb with small pink or white flowers and edible seeds, which grows primarily in the Northern Hemisphere. Originally from Asia, most of the buckwheat grown and exported around the world comes from Russia and China. While we typically consume dehulled buckwheat seeds today, the entire buckwheat plant has a long tradition of medicinal use in traditional remedies.1

According to Traditional Chinese Medicine, buckwheat seeds invigorate the spleen and eliminate “food stagnation,” or slow digestion. In Korean traditional medicine, buckwheat is used therapeutically to promote detoxification, reduce inflammation, and reduce fevers. In the British Herbal Pharmacopoeia, buckwheat is listed as an anti-hemorrhagic and hypotensive drug.2 Traditionally, buckwheat leaves were used for ulcers and applied to wounds topically. The cooked leaves were used as a remedy for constipation.3

Buckwheat is naturally gluten-free and unrelated to wheat, despite its name. Its blend of naturally occurring nutrients makes it an excellent choice for those looking for gluten-free options. Recent research has found that buckwheat may have specific benefits as an alternative grain for those with non-celiac gluten sensitivity, finding that study participants experienced a significant decrease in inflammatory markers, as well as reduced abdominal pain and bloating when they switched to a buckwheat-based gluten-free diet from a gluten free diet not based on buckwheat.4

Buckwheat has an impressive nutritional profile high in essential amino acids and key minerals, including magnesium, manganese, potassium, phosphorus, zinc, copper, and calcium. Buckwheat is also an excellent source of fiber and B vitamins. In addition to its highly nutritious vitamin and mineral composition, buckwheat is high in health-promoting phytonutrient phenols, including tannins and flavonoids, such as quercitin and rutin.1-3 Sprouted buckwheat contains levels of rutin and quercitin 10 times higher than non-sprouted buckwheat. Gama aminobutyric acid (GABA), also found in buckwheat, has recently been found to reduce blood pressure and inhibit angiotensin-1 converting enzyme (ACE) activity.1

The potential health benefits of buckwheat are vast, and individuals who follow balanced diets that include buckwheat have been found to have significantly lower risk of cardiovascular disease, obesity, and type 2 diabetes. Other health benefits of consuming buckwheat may include the following:

Antioxidant effect: Rutin is one of the phytonutrients found in buckwheat, which protects against free radicals and inhibits lipid peroxidation. Rutin also protects against free radical-induced DNA damage, which may have cancer protective benefits.2 Buckwheat has been found to be higher in antioxidant activity than barley, oats, wheat and rye. Animals fed a buckwheat-enriched diet showed an increased activity in antioxidant enzymes, such as superoxide dismutase and glutathione peroxidase.1

  • Anti-inflammatory effect: Eating buckwheat in place of other gluten-free grains has been found to significantly reduce circulating levels of pro-inflammatory cytokines, such as interferon gamma and monocyte chemotactic protein-1 in human participants with non-celiac gluten sensitivity.4 In animal models, buckwheat sprout extract has been found to reduce inflammation by down-regulating TNF-alpha and IL-6.4
  • Cardiovascular health: Consuming buckwheat or foods enriched with buckwheat has been shown to support healthy cholesterol levels, and support healthy blood pressure, vascular health and proper blood flow.1
  • Blood sugar balance: Epidemiological research has found that including buckwheat in the diet can lower post-prandial blood sugar concentrations and reduce the overall prevalence of diabetes.1-2 Furthermore, buckwheat consumption may increase satiety by influencing post-prandial satiety hormones.1
  • Cancer protective: In addition to the protective benefits of reducing overall inflammation and the protective effects of its antioxidant compounds, buckwheat extract has been found to inhibit tumor cell proliferation and may induce apoptosis, or programmed cell death in mice. In humans, eating buckwheat is associated with a reduced risk for lung cancer.2
  • Digestive support: A small randomized, crossover trial found that participants experiencing symptoms of non-celiac gluten sensitivity reported significant improvement in symptoms such as abdominal pain, bloating and abdominal “heaviness” when they switched their current gluten free diet for a buckwheat-based gluten free diet. Symptoms resumed in severity when patients resumed their normal gluten free diet, suggesting that buckwheat may improve digestive symptoms in those with non-celiac gluten sensitivity. In addition, the fiber in buckwheat acts as a prebiotic in the digestive tract, supporting digestive health. 1
  • Hepatoprotective: Buckwheat has been found to increase circulating levels of glutathione, an important detoxification molecule.1 Sprouted buckwheat extract was found to protect animals against fatty liver when fed a high fat diet.2

Emerging research and traditional medicine support the inclusion of buckwheat in the diet for its nutrient profile and potential health benefits.

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Gimenez-Batida JA, Zielinski H. Buckwheat as a functional food and its effects on health. J Agric Food Chem 2015(63):7896-7913.

Jing R, Li HQ, Hu CL, et al. Phytochemical and pharmacological profiles of three fagopyrum buckwheats. Int J Mol Sci. 2016(17)589.

Al-Snafi AE. A review on Fagopyrum esculentum: a potential medicinal plant. IOSR Journal of Pharmacy. March 2017. 7(3):21-32.

Dinu M, Macchia D, Pagliai G, et. al. Symptomatic efficacy of buckwheat products in non-celiac gluten sensitivity (NGSG). Asia Pac J Clin Nutr 2017;26(4):630-636.

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