Quinoa-based food plan stabilizes blood sugar in older adults

Quinoa is a wholesome pseudocereal that’s rather more nutritious than different cereal merchandise. A brand new Nutrients journal examine experiences the flexibility of quinoa to normalize glucose metabolism within the physique, significantly among the many aged with impaired glucose tolerance.

Study: Glycaemia Fluctuations Improvement in Old-Age Prediabetic Subjects Consuming a Quinoa-Based Diet: A Pilot Study. Image Credit: Iryna Melnyk / Shutterstock.com

Examine: Glycaemia Fluctuations Improvement in Old-Age Prediabetic Subjects Consuming a Quinoa-Based Diet: A Pilot Study. Picture Credit score: Iryna Melnyk / Shutterstock.com


Sort 2 diabetes mellitus (T2DM) causes hundreds of thousands of untimely deaths every year. Prediabetes is a state wherein blood glucose ranges rise increased than anticipated after a meal however with a secure total glycemic standing.

The presence of prediabetes will increase the danger of T2DM by 70%, with about 10% growing diabetes every year. The chance of T2DM is especially excessive in these aged 65 years or extra.

Quinoa is exceptional for its excessive protein content material, with a whole set of all important amino acids, unsaturated fatty acids, minerals, and nutritional vitamins required for well being. Along with its excessive carbohydrate and fiber content material and low easy sugar focus, quinoa is each nutrition-rich and related to a low glycemic index, thus indicating that its consumption will elevate blood sugar ranges.

Quinoa additionally consists of an array of plant compounds that inhibit the digestion of fat and sugars within the human intestine, which may scale back post-prandial spikes in blood glucose.

The present examine aimed to discover the impact of a food plan wealthy in quinoa on controlling hyperglycemia and different metabolic danger elements. To this finish, the researchers selected to make use of glycemic information collected by glucose sensors working over prolonged durations with common prespecified recording factors. Such information may be represented and analyzed as a curve utilizing the practical information evaluation (FDA) method that yields glucose concentrations over time.

Examine findings

On this pilot examine, all members had been a minimum of 65 years outdated with fasting glucose ranges between 100 and 125 mg/dL and with out a historical past of diabetes. As well as, all examine members ate grains, legumes, and/or tubers each day.

After an preliminary four-week interval wherein the examine members consumed their common food plan, all 9 topics had been switched to a quinoa-based food plan that was continued for 4 weeks. All grains, grain-based merchandise, legumes, and tubers had been substituted with quinoa-based merchandise with out altering the general composition of vitamins aside from the cereal half.

The examine members consumed quinoa, quinoa flakes, and quinoa flour, in addition to biscuits, brioche, sponge cake, baguettes, sliced bread, and pasta. Every of those merchandise had a quinoa content material of 70% or higher.

All meals merchandise had been offered to the topics who generally ate them. The examine members had been additionally launched to eight recipes for meals they generally ate, with quinoa substituted for tubers, legumes, and grains.  

With a imply age of 70 years, most members had been feminine with an chubby profile. As well as, most examine members had hypertension, about 45% had excessive blood lipids, and 33% had a number of shut relations with diabetes.

On the finish of the examine, glucose ranges had been lowered each earlier than and after initiating the quinoa-based food plan. Weight and waist circumference additionally confirmed a slight lower. Glycated hemoglobin (HbA1C) ranges had been additionally lowered by the top of the examine.

Nutritionally, the examine members consumed extra carbohydrates throughout their common food plan, whereas they consumed extra complete lipid and saturated fats through the quinoa food plan interval. As well as, cystine, arginine, glutamic acid, and proline additionally elevated through the intervention interval.

Additional evaluation confirmed that a number of vitamins had been related to enhanced or lowered glucose concentrations. The previous was related to gamma-tocopherol, soluble fiber, and the Oxygen Radical Absorbance Capability (ORAC). The latter confirmed a hyperlink with theobromine, fatty acids, omega-6 PUFA, fructose, phytic acid, citric acid, cellulose, and the proportion of complete vitality from proteins. Insoluble dietary fiber additionally elevated glucose ranges.


The distinctive dietary profile of quinoa, with increased fats and decrease carbohydrate content material in comparison with typical cereals, accounts for the distinction in dietary consumption through the quinoa food plan.

Consuming extra carbohydrates will increase insulin ranges, induces fats storage, and reduces the metabolic price, thus selling a vicious cycle of fats accumulation. A high-fat food plan with the identical variety of energy reduces insulin secretion by triggering fats turnover within the fats cells, thereby making free fatty acids obtainable to the physique to be used in vitality manufacturing. As well as, dietary proteins improve the constructing of lean physique mass throughout weight reduction, thus serving to expend extra vitality and enhance the physique’s total composition.

In older prediabetic topics, it’s extra necessary to enhance food plan high quality than to cut back physique weight to attain helpful metabolic outcomes. The stabilization of blood sugar fluctuations with a quinoa food plan could also be as a result of low glycemic index of this pseudocereal.

Definitive conclusions await future research, because the members on this examine had been in a position to observe their altering blood sugars in actual time, which probably motivated higher food plan patterns even earlier than the intervention part started.

Each increased vitality consumption and the elevated fats content material of quinoa had been correlated with lowered glucose ranges. That is probably as a result of different vitamins current in quinoa that forestall a glycemic spike.

Since post-prandial hyperglycemia predicts the event of T2DM in lots of sufferers, the potential function of quinoa in delaying the event of this situation by lowering the spike in glucose ranges following a meal is promising. Amongst different meals decisions, quinoa may assist prediabetic people forestall the onset of T2DM.

Bigger research with an extended interval of intervention are required to validate and lengthen these findings.

A food plan wealthy in quinoa reduces postprandial glycemia, due to the joint motion of various vitamins and the suppression of others consumed in a daily food plan, which may apply a brake to the development to T2D.”

Journal reference:
  • Diaz-Rizzolo, D. A., Acar-Denizli, N., Kostov, B., et al. (2022). Glycaemia Fluctuations Enchancment in Previous-Age Prediabetic Topics Consuming a Quinoa-Primarily based Eating regimen: A Pilot Examine. Vitamins. doi.org/10.3390/nu14112331.



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